chamilo / chamilo-lms

main/inc/lib/text.lib.php

Doc Comments +10 added lines, -5 removed lines

@@ -52,6 +52,7 @@ 
  * Converts the text of a html-document to a given encoding, the meta-tag is changed accordingly.
  * @param string $string                The input full-html document.
  * @param string                        The new encoding value to be set.
+ * @param string $encoding
  */
 function api_set_encoding_html(&$string, $encoding) {
     $old_encoding = api_detect_encoding_html($string);
@@ -74,7 +75,7 @@ 
  * Returns the title of a html document.
  * @param string $string                The contents of the input document.
  * @param string $input_encoding        The encoding of the input document. If the value is not set, it is detected.
- * @param string $$output_encoding      The encoding of the retrieved title. If the value is not set, the system encoding is assumend.
+ * @param string $output_encoding      The encoding of the retrieved title. If the value is not set, the system encoding is assumend.
  * @return string                       The retrieved title, html-entities and extra-whitespace between the words are cleaned.
  */
 function api_get_title_html(&$string, $output_encoding = null, $input_encoding = null) {
@@ -433,7 +434,7 @@ 
  * @since wordpress  2.8.1
  * @access private
  *
- * @param string|array $search The value being searched for, otherwise known as the needle. An array may be used to designate multiple needles.
+ * @param string[] $search The value being searched for, otherwise known as the needle. An array may be used to designate multiple needles.
  * @param string $subject The string being searched and replaced on, otherwise known as the haystack.
  * @return string The string with the replaced svalues.
  */
@@ -628,6 +629,7 @@ 
  * @param string    The text to "cut"
  * @param int       Count of chars
  * @param bool      Whether to embed in a <span title="...">...</span>
+ * @param integer $maxchar
  * @return string
  * */
 function cut($text, $maxchar, $embed = false) {
@@ -645,7 +647,7 @@ 
  *
  * @param mixed     Number to convert
  * @param int       Decimal points 0=never, 1=if needed, 2=always
- * @return mixed    An integer or a float depends on the parameter
+ * @return string|null    An integer or a float depends on the parameter
  */
 function float_format($number, $flag = 1) {
     if (is_numeric($number)) {
@@ -689,7 +691,7 @@ 
 /**
  * Gets the week from a day
  * @param   string   Date in UTC (2010-01-01 12:12:12)
- * @return  int      Returns an integer with the week number of the year
+ * @return  string      Returns an integer with the week number of the year
  */
 function get_week_from_day($date) {
     if (!empty($date)) {
@@ -739,6 +741,9 @@ 
 	return $output.$end;
 }
 
+/**
+ * @param string $glue
+ */
 function implode_with_key($glue, $array) {
     if (!empty($array)) {
         $string = '';
@@ -817,7 +822,7 @@ 
 /**
  * @param string $string
  * @param bool $capitalizeFirstCharacter
- * @return mixed
+ * @return string
  */
 function underScoreToCamelCase($string, $capitalizeFirstCharacter = true)
 {

Spacing +74 added lines, -74 removed lines

@@ -58,10 +58,10 @@ 
     if (@preg_match('/(.*<head.*)(<meta[^>]*content=[^>]*>)(.*<\/head>.*)/si', $string, $matches)) {
         $meta = $matches[2];
         if (@preg_match("/(<meta[^>]*charset=)(.*)([\"';][^>]*>)/si", $meta, $matches1)) {
-            $meta = $matches1[1] . $encoding . $matches1[3];
-            $string = $matches[1] . $meta . $matches[3];
+            $meta = $matches1[1].$encoding.$matches1[3];
+            $string = $matches[1].$meta.$matches[3];
         } else {
-            $string = $matches[1] . '<meta http-equiv="Content-Type" content="text/html; charset='.$encoding.'"/>' . $matches[3];
+            $string = $matches[1].'<meta http-equiv="Content-Type" content="text/html; charset='.$encoding.'"/>'.$matches[3];
         }
     } else {
         $count = 1;
@@ -168,9 +168,9 @@ 
     if (!preg_match(_PCRE_XML_ENCODING, $string)) {
         if (strpos($matches[0], 'standalone') !== false) {
             // The encoding option should precede the standalone option, othewise DOMDocument fails to load the document.
-            $replace = str_replace('standalone', ' encoding="'.$to_encoding.'" standalone' , $matches[0]);
+            $replace = str_replace('standalone', ' encoding="'.$to_encoding.'" standalone', $matches[0]);
         } else {
-            $replace = str_replace('?>', ' encoding="'.$to_encoding.'"?>' , $matches[0]);
+            $replace = str_replace('?>', ' encoding="'.$to_encoding.'"?>', $matches[0]);
         }
         return api_convert_encoding(str_replace($matches[0], $replace, $string), $to_encoding, $from_encoding);
     }
@@ -335,7 +335,7 @@ 
 function _make_url_clickable_cb($matches) {
     $url = $matches[2];
 
-    if ( ')' == $matches[3] && strpos( $url, '(' ) ) {
+    if (')' == $matches[3] && strpos($url, '(')) {
         // If the trailing character is a closing parethesis, and the URL has an opening parenthesis in it, add the closing parenthesis to the URL.
         // Then we can let the parenthesis balancer do its thing below.
         $url .= $matches[3];
@@ -345,16 +345,16 @@ 
     }
 
     // Include parentheses in the URL only if paired
-    while ( substr_count( $url, '(' ) < substr_count( $url, ')' ) ) {
-        $suffix = strrchr( $url, ')' ) . $suffix;
-        $url = substr( $url, 0, strrpos( $url, ')' ) );
+    while (substr_count($url, '(') < substr_count($url, ')')) {
+        $suffix = strrchr($url, ')').$suffix;
+        $url = substr($url, 0, strrpos($url, ')'));
     }
 
     $url = esc_url($url);
-    if ( empty($url) )
+    if (empty($url))
         return $matches[0];
 
-    return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix;
+    return $matches[1]."<a href=\"$url\" rel=\"nofollow\">$url</a>".$suffix;
 }
 
 /**
@@ -374,10 +374,10 @@ 
  * @param string $_context Private. Use esc_url_raw() for database usage.
  * @return string The cleaned $url after the 'clean_url' filter is applied.
  */
-function esc_url( $url, $protocols = null, $_context = 'display' ) {
+function esc_url($url, $protocols = null, $_context = 'display') {
     //$original_url = $url;
 
-    if ( '' == $url )
+    if ('' == $url)
         return $url;
     $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\\x80-\\xff]|i', '', $url);
     $strip = array('%0d', '%0a', '%0D', '%0A');
@@ -387,9 +387,9 @@ 
      * presume it needs http:// appended (unless a relative
      * link starting with /, # or ? or a php file).
      */
-    if ( strpos($url, ':') === false && ! in_array( $url[0], array( '/', '#', '?' ) ) &&
-        ! preg_match('/^[a-z0-9-]+?\.php/i', $url) )
-        $url = 'http://' . $url;
+    if (strpos($url, ':') === false && !in_array($url[0], array('/', '#', '?')) &&
+        !preg_match('/^[a-z0-9-]+?\.php/i', $url))
+        $url = 'http://'.$url;
 
     return Security::remove_XSS($url);
 
@@ -437,12 +437,12 @@ 
  * @param string $subject The string being searched and replaced on, otherwise known as the haystack.
  * @return string The string with the replaced svalues.
  */
-function _deep_replace( $search, $subject ) {
+function _deep_replace($search, $subject) {
     $subject = (string) $subject;
 
     $count = 1;
-    while ( $count ) {
-        $subject = str_replace( $search, '', $subject, $count );
+    while ($count) {
+        $subject = str_replace($search, '', $subject, $count);
     }
 
     return $subject;
@@ -464,17 +464,17 @@ 
 function _make_web_ftp_clickable_cb($matches) {
     $ret = '';
     $dest = $matches[2];
-    $dest = 'http://' . $dest;
+    $dest = 'http://'.$dest;
     $dest = esc_url($dest);
-    if ( empty($dest) )
+    if (empty($dest))
         return $matches[0];
 
     // removed trailing [.,;:)] from URL
-    if ( in_array( substr($dest, -1), array('.', ',', ';', ':', ')') ) === true ) {
+    if (in_array(substr($dest, -1), array('.', ',', ';', ':', ')')) === true) {
         $ret = substr($dest, -1);
-        $dest = substr($dest, 0, strlen($dest)-1);
+        $dest = substr($dest, 0, strlen($dest) - 1);
     }
-    return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>$ret";
+    return $matches[1]."<a href=\"$dest\" rel=\"nofollow\">$dest</a>$ret";
 }
 
 /**
@@ -490,8 +490,8 @@ 
  * @return string HTML A element with email address.
  */
 function _make_email_clickable_cb($matches) {
-    $email = $matches[2] . '@' . $matches[3];
-    return $matches[1] . "<a href=\"mailto:$email\">$email</a>";
+    $email = $matches[2].'@'.$matches[3];
+    return $matches[1]."<a href=\"mailto:$email\">$email</a>";
 }
 
 /**
@@ -505,30 +505,30 @@ 
  * @param string $text Content to convert URIs.
  * @return string Content with converted URIs.
  */
-function make_clickable( $text ) {
+function make_clickable($text) {
     $r = '';
-    $textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags
+    $textarr = preg_split('/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE); // split out HTML tags
     $nested_code_pre = 0; // Keep track of how many levels link is nested inside <pre> or <code>
-    foreach ( $textarr as $piece ) {
+    foreach ($textarr as $piece) {
 
-        if ( preg_match( '|^<code[\s>]|i', $piece ) || preg_match( '|^<pre[\s>]|i', $piece ) )
+        if (preg_match('|^<code[\s>]|i', $piece) || preg_match('|^<pre[\s>]|i', $piece))
             $nested_code_pre++;
-        elseif ( ( '</code>' === strtolower( $piece ) || '</pre>' === strtolower( $piece ) ) && $nested_code_pre )
+        elseif (('</code>' === strtolower($piece) || '</pre>' === strtolower($piece)) && $nested_code_pre)
             $nested_code_pre--;
 
-        if ( $nested_code_pre || empty( $piece ) || ( $piece[0] === '<' && ! preg_match( '|^<\s*[\w]{1,20}+://|', $piece ) ) ) {
+        if ($nested_code_pre || empty($piece) || ($piece[0] === '<' && !preg_match('|^<\s*[\w]{1,20}+://|', $piece))) {
             $r .= $piece;
             continue;
         }
 
         // Long strings might contain expensive edge cases ...
-        if ( 10000 < strlen( $piece ) ) {
+        if (10000 < strlen($piece)) {
             // ... break it up
-            foreach ( _split_str_by_whitespace( $piece, 2100 ) as $chunk ) { // 2100: Extra room for scheme and leading and trailing paretheses
-                if ( 2101 < strlen( $chunk ) ) {
+            foreach (_split_str_by_whitespace($piece, 2100) as $chunk) { // 2100: Extra room for scheme and leading and trailing paretheses
+                if (2101 < strlen($chunk)) {
                     $r .= $chunk; // Too big, no whitespace: bail.
                 } else {
-                    $r .= make_clickable( $chunk );
+                    $r .= make_clickable($chunk);
                 }
             }
         } else {
@@ -549,18 +549,18 @@ 
 			~xS'; // The regex is a non-anchored pattern and does not have a single fixed starting character.
             // Tell PCRE to spend more time optimizing since, when used on a page load, it will probably be used several times.
 
-            $ret = preg_replace_callback( $url_clickable, '_make_url_clickable_cb', $ret );
+            $ret = preg_replace_callback($url_clickable, '_make_url_clickable_cb', $ret);
 
-            $ret = preg_replace_callback( '#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret );
-            $ret = preg_replace_callback( '#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret );
+            $ret = preg_replace_callback('#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret);
+            $ret = preg_replace_callback('#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret);
 
-            $ret = substr( $ret, 1, -1 ); // Remove our whitespace padding.
+            $ret = substr($ret, 1, -1); // Remove our whitespace padding.
             $r .= $ret;
         }
     }
 
     // Cleanup of accidental links within links
-    $r = preg_replace( '#(<a([ \r\n\t]+[^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i', "$1$3</a>", $r );
+    $r = preg_replace('#(<a([ \r\n\t]+[^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i', "$1$3</a>", $r);
     return $r;
 }
 
@@ -595,27 +595,27 @@ 
  * @param int $goal The desired chunk length.
  * @return array Numeric array of chunks.
  */
-function _split_str_by_whitespace( $string, $goal ) {
+function _split_str_by_whitespace($string, $goal) {
     $chunks = array();
 
-    $string_nullspace = strtr( $string, "\r\n\t\v\f ", "\000\000\000\000\000\000" );
+    $string_nullspace = strtr($string, "\r\n\t\v\f ", "\000\000\000\000\000\000");
 
-    while ( $goal < strlen( $string_nullspace ) ) {
-        $pos = strrpos( substr( $string_nullspace, 0, $goal + 1 ), "\000" );
+    while ($goal < strlen($string_nullspace)) {
+        $pos = strrpos(substr($string_nullspace, 0, $goal + 1), "\000");
 
-        if ( false === $pos ) {
-            $pos = strpos( $string_nullspace, "\000", $goal + 1 );
-            if ( false === $pos ) {
+        if (false === $pos) {
+            $pos = strpos($string_nullspace, "\000", $goal + 1);
+            if (false === $pos) {
                 break;
             }
         }
 
-        $chunks[] = substr( $string, 0, $pos + 1 );
-        $string = substr( $string, $pos + 1 );
-        $string_nullspace = substr( $string_nullspace, $pos + 1 );
+        $chunks[] = substr($string, 0, $pos + 1);
+        $string = substr($string, $pos + 1);
+        $string_nullspace = substr($string_nullspace, $pos + 1);
     }
 
-    if ( $string ) {
+    if ($string) {
         $chunks[] = $string;
     }
 
@@ -693,7 +693,7 @@ 
  */
 function get_week_from_day($date) {
     if (!empty($date)) {
-       $time = api_strtotime($date,'UTC');
+       $time = api_strtotime($date, 'UTC');
        return date('W', $time);
     } else {
         return date('W');
@@ -710,17 +710,17 @@ 
  * @return a reduce string
  */
 
-function substrwords($text,$maxchar,$end='...')
+function substrwords($text, $maxchar, $end = '...')
 {
-	if(strlen($text)>$maxchar)
+	if (strlen($text) > $maxchar)
 	{
-		$words=explode(" ",$text);
+		$words = explode(" ", $text);
 		$output = '';
-		$i=0;
-		while(1)
+		$i = 0;
+		while (1)
 		{
-			$length = (strlen($output)+strlen($words[$i]));
-			if($length>$maxchar)
+			$length = (strlen($output) + strlen($words[$i]));
+			if ($length > $maxchar)
 			{
 				break;
 			}
@@ -742,7 +742,7 @@ 
 function implode_with_key($glue, $array) {
     if (!empty($array)) {
         $string = '';
-        foreach($array as $key => $value) {
+        foreach ($array as $key => $value) {
             if (empty($value)) {
                 $value = 'null';
             }
@@ -764,13 +764,13 @@ 
 {
     $file_size = intval($file_size);
     if ($file_size >= 1073741824) {
-        $file_size = round($file_size / 1073741824 * 100) / 100 . 'G';
-    } elseif($file_size >= 1048576) {
-        $file_size = round($file_size / 1048576 * 100) / 100 . 'M';
-    } elseif($file_size >= 1024) {
-        $file_size = round($file_size / 1024 * 100) / 100 . 'k';
+        $file_size = round($file_size / 1073741824 * 100) / 100.'G';
+    } elseif ($file_size >= 1048576) {
+        $file_size = round($file_size / 1048576 * 100) / 100.'M';
+    } elseif ($file_size >= 1024) {
+        $file_size = round($file_size / 1024 * 100) / 100.'k';
     } else {
-        $file_size = $file_size . 'B';
+        $file_size = $file_size.'B';
     }
     return $file_size;
 }
@@ -779,18 +779,18 @@ 
 {
     $year	 = '0000';
     $month = $day = $hours = $minutes = $seconds = '00';
-    if (isset($array['Y']) && (isset($array['F']) || isset($array['M']))  && isset($array['d']) && isset($array['H']) && isset($array['i'])) {
+    if (isset($array['Y']) && (isset($array['F']) || isset($array['M'])) && isset($array['d']) && isset($array['H']) && isset($array['i'])) {
         $year = $array['Y'];
-        $month = isset($array['F'])?$array['F']:$array['M'];
-        if (intval($month) < 10 ) $month = '0'.$month;
+        $month = isset($array['F']) ? $array['F'] : $array['M'];
+        if (intval($month) < 10) $month = '0'.$month;
         $day = $array['d'];
-        if (intval($day) < 10 ) $day = '0'.$day;
+        if (intval($day) < 10) $day = '0'.$day;
         $hours = $array['H'];
-        if (intval($hours) < 10 ) $hours = '0'.$hours;
+        if (intval($hours) < 10) $hours = '0'.$hours;
         $minutes = $array['i'];
-        if (intval($minutes) < 10 ) $minutes = '0'.$minutes;
+        if (intval($minutes) < 10) $minutes = '0'.$minutes;
     }
-    if (checkdate($month,$day,$year)) {
+    if (checkdate($month, $day, $year)) {
         $datetime = $year.'-'.$month.'-'.$day.' '.$hours.':'.$minutes.':'.$seconds;
     }
     return $datetime;

Braces +31 added lines, -20 removed lines

@@ -351,8 +351,9 @@ 
     }
 
     $url = esc_url($url);
-    if ( empty($url) )
-        return $matches[0];
+    if ( empty($url) ) {
+            return $matches[0];
+    }
 
     return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix;
 }
@@ -377,8 +378,9 @@ 
 function esc_url( $url, $protocols = null, $_context = 'display' ) {
     //$original_url = $url;
 
-    if ( '' == $url )
-        return $url;
+    if ( '' == $url ) {
+            return $url;
+    }
     $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\\x80-\\xff]|i', '', $url);
     $strip = array('%0d', '%0a', '%0D', '%0A');
     $url = _deep_replace($strip, $url);
@@ -388,8 +390,9 @@ 
      * link starting with /, # or ? or a php file).
      */
     if ( strpos($url, ':') === false && ! in_array( $url[0], array( '/', '#', '?' ) ) &&
-        ! preg_match('/^[a-z0-9-]+?\.php/i', $url) )
-        $url = 'http://' . $url;
+        ! preg_match('/^[a-z0-9-]+?\.php/i', $url) ) {
+            $url = 'http://' . $url;
+    }
 
     return Security::remove_XSS($url);
 
@@ -466,8 +469,9 @@ 
     $dest = $matches[2];
     $dest = 'http://' . $dest;
     $dest = esc_url($dest);
-    if ( empty($dest) )
-        return $matches[0];
+    if ( empty($dest) ) {
+            return $matches[0];
+    }
 
     // removed trailing [.,;:)] from URL
     if ( in_array( substr($dest, -1), array('.', ',', ';', ':', ')') ) === true ) {
@@ -511,10 +515,11 @@ 
     $nested_code_pre = 0; // Keep track of how many levels link is nested inside <pre> or <code>
     foreach ( $textarr as $piece ) {
 
-        if ( preg_match( '|^<code[\s>]|i', $piece ) || preg_match( '|^<pre[\s>]|i', $piece ) )
-            $nested_code_pre++;
-        elseif ( ( '</code>' === strtolower( $piece ) || '</pre>' === strtolower( $piece ) ) && $nested_code_pre )
-            $nested_code_pre--;
+        if ( preg_match( '|^<code[\s>]|i', $piece ) || preg_match( '|^<pre[\s>]|i', $piece ) ) {
+                    $nested_code_pre++;
+        } elseif ( ( '</code>' === strtolower( $piece ) || '</pre>' === strtolower( $piece ) ) && $nested_code_pre ) {
+                    $nested_code_pre--;
+        }
 
         if ( $nested_code_pre || empty( $piece ) || ( $piece[0] === '<' && ! preg_match( '|^<\s*[\w]{1,20}+://|', $piece ) ) ) {
             $r .= $piece;
@@ -723,15 +728,13 @@ 
 			if($length>$maxchar)
 			{
 				break;
-			}
-			else
+			} else
 			{
 				$output = $output." ".$words[$i];
 				$i++;
 			};
 		};
-	}
-	else
+	} else
 	{
 		$output = $text;
 		return $output;
@@ -782,13 +785,21 @@ 
     if (isset($array['Y']) && (isset($array['F']) || isset($array['M']))  && isset($array['d']) && isset($array['H']) && isset($array['i'])) {
         $year = $array['Y'];
         $month = isset($array['F'])?$array['F']:$array['M'];
-        if (intval($month) < 10 ) $month = '0'.$month;
+        if (intval($month) < 10 ) {
+            $month = '0'.$month;
+        }
         $day = $array['d'];
-        if (intval($day) < 10 ) $day = '0'.$day;
+        if (intval($day) < 10 ) {
+            $day = '0'.$day;
+        }
         $hours = $array['H'];
-        if (intval($hours) < 10 ) $hours = '0'.$hours;
+        if (intval($hours) < 10 ) {
+            $hours = '0'.$hours;
+        }
         $minutes = $array['i'];
-        if (intval($minutes) < 10 ) $minutes = '0'.$minutes;
+        if (intval($minutes) < 10 ) {
+            $minutes = '0'.$minutes;
+        }
     }
     if (checkdate($month,$day,$year)) {
         $datetime = $year.'-'.$month.'-'.$day.' '.$hours.':'.$minutes.':'.$seconds;

Indentation +27 added lines, -27 removed lines

@@ -693,8 +693,8 @@ 
  */
 function get_week_from_day($date) {
     if (!empty($date)) {
-       $time = api_strtotime($date,'UTC');
-       return date('W', $time);
+        $time = api_strtotime($date,'UTC');
+        return date('W', $time);
     } else {
         return date('W');
     }
@@ -712,31 +712,31 @@ 
 
 function substrwords($text,$maxchar,$end='...')
 {
-	if(strlen($text)>$maxchar)
-	{
-		$words=explode(" ",$text);
-		$output = '';
-		$i=0;
-		while(1)
-		{
-			$length = (strlen($output)+strlen($words[$i]));
-			if($length>$maxchar)
-			{
-				break;
-			}
-			else
-			{
-				$output = $output." ".$words[$i];
-				$i++;
-			};
-		};
-	}
-	else
-	{
-		$output = $text;
-		return $output;
-	}
-	return $output.$end;
+    if(strlen($text)>$maxchar)
+    {
+        $words=explode(" ",$text);
+        $output = '';
+        $i=0;
+        while(1)
+        {
+            $length = (strlen($output)+strlen($words[$i]));
+            if($length>$maxchar)
+            {
+                break;
+            }
+            else
+            {
+                $output = $output." ".$words[$i];
+                $i++;
+            };
+        };
+    }
+    else
+    {
+        $output = $text;
+        return $output;
+    }
+    return $output.$end;
 }
 
 function implode_with_key($glue, $array) {

main/inc/lib/timeline.lib.php

Doc Comments +1 added lines, -1 removed lines

@@ -73,7 +73,7 @@
      * @todo the form should be auto generated
      * @param   string  url
      * @param   string  action add, edit
-     * @return  obj     form validator obj
+     * @return  FormValidator     form validator obj
      */
     public function return_form($url, $action)
     {

Indentation +23 added lines, -23 removed lines

@@ -25,10 +25,10 @@ 
     );
     public $is_course_model = true;
 
-	public function __construct()
+    public function __construct()
     {
         $this->table =  Database::get_course_table(TABLE_TIMELINE);
-	}
+    }
 
     /**
      * Get the count of elements
@@ -52,16 +52,16 @@ 
     /**
      * Displays the title + grid
      */
-	public function listing()
+    public function listing()
     {
-		// action links
-		$html = '<div class="actions">';
+        // action links
+        $html = '<div class="actions">';
         //$html .= '<a href="career_dashboard.php">'.Display::return_icon('back.png',get_lang('Back'),'','32').'</a>';
-		$html .= '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png', get_lang('Add'),'','32').'</a>';
-		$html .= '</div>';
+        $html .= '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png', get_lang('Add'),'','32').'</a>';
+        $html .= '</div>';
         $html .= Display::grid_html('timelines');
         return $html;
-	}
+    }
 
     public function get_status_list()
     {
@@ -89,7 +89,7 @@ 
 
         $form->addElement('text', 'headline', get_lang('Name'), array('size' => '70'));
         //$form->addHtmlEditor('description', get_lang('Description'), false, false, array('ToolbarSet' => 'Careers','Width' => '100%', 'Height' => '250'));
-	    $status_list = $this->get_status_list();
+        $status_list = $this->get_status_list();
         $form->addElement('select', 'status', get_lang('Status'), $status_list);
         if ($action == 'edit') {
             //$form->addElement('text', 'created_at', get_lang('CreatedAt'));
@@ -173,7 +173,7 @@ 
 
         // Setting the rules
         $form->addRule('headline', get_lang('ThisFieldIsRequired'), 'required');
-		return $form;
+        return $form;
 
     }
 
@@ -184,11 +184,11 @@ 
     public function save_item($params)
     {
         $params['c_id'] = api_get_course_int_id();
-	    $id = parent::save($params);
-	    if (!empty($id)) {
-	    	//event_system(LOG_CAREER_CREATE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
-   		}
-   		return $id;
+        $id = parent::save($params);
+        if (!empty($id)) {
+            //event_system(LOG_CAREER_CREATE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
+            }
+            return $id;
     }
 
     /**
@@ -199,16 +199,16 @@ 
         $params['c_id'] = api_get_course_int_id();
         $params['parent_id'] = '0';
         $params['type'] = 'default';
-	    $id = parent::save($params);
-	    if (!empty($id)) {
-	    	//event_system(LOG_CAREER_CREATE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
-   		}
-   		return $id;
+        $id = parent::save($params);
+        if (!empty($id)) {
+            //event_system(LOG_CAREER_CREATE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
+            }
+            return $id;
     }
 
     public function delete($id) {
-	    parent::delete($id);
-	    //event_system(LOG_CAREER_DELETE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
+        parent::delete($id);
+        //event_system(LOG_CAREER_DELETE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
     }
 
     public function get_url($id) {
@@ -247,7 +247,7 @@ 
         $item['asset'] = array( 'media'     => $item['media'],
                                 'credit'    => $item['media_credit'],
                                 'caption'   => $item['media_caption'],
-         );
+            );
 
         //Cleaning items
         unset($item['id']);

Spacing +4 added lines, -4 removed lines

@@ -27,7 +27,7 @@ 
 
 	public function __construct()
     {
-        $this->table =  Database::get_course_table(TABLE_TIMELINE);
+        $this->table = Database::get_course_table(TABLE_TIMELINE);
 	}
 
     /**
@@ -46,7 +46,7 @@ 
      */
     public function get_all($where_conditions = array())
     {
-        return Database::select('*',$this->table, array('where'=>$where_conditions,'order' =>'headline ASC'));
+        return Database::select('*', $this->table, array('where'=>$where_conditions, 'order' =>'headline ASC'));
     }
 
     /**
@@ -57,7 +57,7 @@ 
 		// action links
 		$html = '<div class="actions">';
         //$html .= '<a href="career_dashboard.php">'.Display::return_icon('back.png',get_lang('Back'),'','32').'</a>';
-		$html .= '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png', get_lang('Add'),'','32').'</a>';
+		$html .= '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png', get_lang('Add'), '', '32').'</a>';
 		$html .= '</div>';
         $html .= Display::grid_html('timelines');
         return $html;
@@ -244,7 +244,7 @@ 
         }
         unset($item['end_date']);
         // Assets
-        $item['asset'] = array( 'media'     => $item['media'],
+        $item['asset'] = array('media'     => $item['media'],
                                 'credit'    => $item['media_credit'],
                                 'caption'   => $item['media_caption'],
          );

main/inc/lib/tracking.lib.php

Doc Comments +13 added lines, -7 removed lines

@@ -1287,6 +1287,8 @@ 
      * @param   string type of time filter: 'last_week' or 'custom'
      * @param   string  start date date('Y-m-d H:i:s')
      * @param   string  end date date('Y-m-d H:i:s')
+     * @param string $start_date
+     * @param string $end_date
      * @return timestamp $nb_seconds
      */
     public static function get_time_spent_on_the_platform(
@@ -1390,7 +1392,7 @@ 
      * Get first connection date for a student
      * @param    int $student_id
      *
-     * @return    string|bool Date format long without day or false if there are no connections
+     * @return    string|false Date format long without day or false if there are no connections
      */
     public static function get_first_connection_date($student_id)
     {
@@ -1420,7 +1422,7 @@ 
      * @param int $student_id
      * @param bool $warning_message Show a warning message (optional)
      * @param bool $return_timestamp True for returning results in timestamp (optional)
-     * @return string|int|bool Date format long without day, false if there are no connections or
+     * @return string Date format long without day, false if there are no connections or
      * timestamp if parameter $return_timestamp is true
      */
     public static function get_last_connection_date($student_id, $warning_message = false, $return_timestamp = false)
@@ -2667,6 +2669,9 @@ 
      * @param     array         Limit average to listed lp ids
      * @param     int            Session id (optional), if param $session_id is
      * null(default) it'll return results including sessions, 0 = session is not filtered
+     * @param integer $student_id
+     * @param string $course_code
+     * @param integer $session_id
      * @return     int         Total time
      */
     public static function get_time_spent_in_lp($student_id, $course_code, $lp_ids = array(), $session_id = null)
@@ -2733,6 +2738,8 @@ 
      * @param     int|array    Student id(s)
      * @param     string         Course code
      * @param     int         Learning path id
+     * @param integer $student_id
+     * @param string $course_code
      * @return     int         Total time
      */
     public static function get_last_connection_time_in_lp($student_id, $course_code, $lp_id, $session_id = 0)
@@ -5400,7 +5407,7 @@ 
 
     /**
     * @param FormValidator $form
-    * @return mixed
+    * @return FormValidator
     */
     public static function setUserSearchForm($form)
     {
@@ -5439,7 +5446,6 @@ 
      * @param   int $sessionId  The session ID (session.id)
      * @param   int $courseId   The course ID (course.id)
      * @param   int $exerciseId The quiz ID (c_quiz.id)
-     * @param   int $answer     The answer status (0 = incorrect, 1 = correct, 2 = both)
      * @param   array   $options    An array of options you can pass to the query (limit, where and order)
      * @return array An array with the data of exercise(s) progress
      */
@@ -6876,7 +6882,7 @@ 
      * @param int $user_id
      * @param int $course_id
      * @param int $session_id
-     * @return array
+     * @return string[]
      */
     public function display_login_tracking_info($view, $user_id, $course_id, $session_id = 0)
     {
@@ -6922,9 +6928,9 @@ 
     /**
      * Displays the exercise results for a specific user in a specific course.
      * @param   string $view
-     * @param   int $user_id    User ID
+     * @param   int $userId    User ID
      * @param   string  $courseCode Course code
-     * @return array
+     * @return string[]
      * @todo remove globals
      */
     public function display_exercise_tracking_info($view, $userId, $courseCode)

Indentation +862 added lines, -862 removed lines

@@ -311,8 +311,8 @@ 
                     $extend_link = '';
                     if (!empty($inter_num)) {
                         $extend_link = Display::url(
-                              Display::return_icon('visible.gif', get_lang('HideAttemptView')),
-                              api_get_self() . '?action=stats&fold_id=' . $my_item_id . $url_suffix
+                                Display::return_icon('visible.gif', get_lang('HideAttemptView')),
+                                api_get_self() . '?action=stats&fold_id=' . $my_item_id . $url_suffix
                         );
                     }
                     $title = $row['mytitle'];
@@ -1319,7 +1319,7 @@ 
             case 'last_30_days':
                 $new_date = date('Y-m-d H:i:s', strtotime('-30 day'));
                 $condition_time = ' AND (login_date >= "'.$new_date.'" AND logout_date <= "'.$today.'") ';
-               break;
+                break;
             case 'custom':
                 if (!empty($start_date) && !empty($end_date)) {
                     $start_date = Database::escape_string($start_date);
@@ -1329,10 +1329,10 @@ 
                 break;
         }
 
-    	$sql = 'SELECT SUM(TIMESTAMPDIFF(SECOND, login_date, logout_date)) diff
+        $sql = 'SELECT SUM(TIMESTAMPDIFF(SECOND, login_date, logout_date)) diff
     	        FROM '.$tbl_track_login.'
                 WHERE '.$userCondition.$condition_time;
-    	$rs = Database::query($sql);
+        $rs = Database::query($sql);
         $row = Database::fetch_array($rs, 'ASSOC');
         $diff = $row['diff'];
 
@@ -1354,18 +1354,18 @@ 
     public static function get_time_spent_on_the_course($user_id, $courseId, $session_id = 0)
     {
         $courseId = intval($courseId);
-    	$session_id  = intval($session_id);
-
-    	$tbl_track_course = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
-    	if (is_array($user_id)) {
-    	    $user_id = array_map('intval', $user_id);
-    		$condition_user = " AND user_id IN (".implode(',',$user_id).") ";
-    	} else {
-    		$user_id = intval($user_id);
-    		$condition_user = " AND user_id = $user_id ";
-    	}
-
-    	$sql = "SELECT
+        $session_id  = intval($session_id);
+
+        $tbl_track_course = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
+        if (is_array($user_id)) {
+            $user_id = array_map('intval', $user_id);
+            $condition_user = " AND user_id IN (".implode(',',$user_id).") ";
+        } else {
+            $user_id = intval($user_id);
+            $condition_user = " AND user_id = $user_id ";
+        }
+
+        $sql = "SELECT
     	        SUM(UNIX_TIMESTAMP(logout_course_date) - UNIX_TIMESTAMP(login_course_date)) as nb_seconds
                 FROM $tbl_track_course
                 WHERE UNIX_TIMESTAMP(logout_course_date) > UNIX_TIMESTAMP(login_course_date) ";
@@ -1381,9 +1381,9 @@ 
         $sql .= $condition_user;
 
         $rs = Database::query($sql);
-    	$row = Database::fetch_array($rs);
+        $row = Database::fetch_array($rs);
 
-    	return $row['nb_seconds'];
+        return $row['nb_seconds'];
     }
 
     /**
@@ -1394,25 +1394,25 @@ 
      */
     public static function get_first_connection_date($student_id)
     {
-    	$tbl_track_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
-    	$sql = 'SELECT login_date
+        $tbl_track_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
+        $sql = 'SELECT login_date
     	        FROM ' . $tbl_track_login . '
                 WHERE login_user_id = ' . intval($student_id) . '
                 ORDER BY login_date ASC
                 LIMIT 0,1';
 
-    	$rs = Database::query($sql);
-    	if (Database::num_rows($rs)>0) {
-    		if ($first_login_date = Database::result($rs, 0, 0)) {
+        $rs = Database::query($sql);
+        if (Database::num_rows($rs)>0) {
+            if ($first_login_date = Database::result($rs, 0, 0)) {
                 return api_convert_and_format_date(
                     $first_login_date,
                     DATE_FORMAT_SHORT,
                     date_default_timezone_get()
                 );
-    		}
-    	}
+            }
+        }
 
-    	return false;
+        return false;
     }
 
     /**
@@ -1425,38 +1425,38 @@ 
      */
     public static function get_last_connection_date($student_id, $warning_message = false, $return_timestamp = false)
     {
-    	$table = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
-    	$sql = 'SELECT login_date
+        $table = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
+        $sql = 'SELECT login_date
     	        FROM ' . $table . '
                 WHERE login_user_id = ' . intval($student_id) . '
                 ORDER BY login_date
                 DESC LIMIT 0,1';
 
-    	$rs = Database::query($sql);
-    	if (Database::num_rows($rs) > 0) {
-    		if ($last_login_date = Database::result($rs, 0, 0)) {
-    			$last_login_date = api_get_local_time($last_login_date);
-    			if ($return_timestamp) {
-    				return api_strtotime($last_login_date,'UTC');
-    			} else {
-    				if (!$warning_message) {
-    					return api_format_date($last_login_date, DATE_FORMAT_SHORT);
-    				} else {
-    					$timestamp = api_strtotime($last_login_date,'UTC');
-    					$currentTimestamp = time();
-
-    					//If the last connection is > than 7 days, the text is red
-    					//345600 = 7 days in seconds
-    					if ($currentTimestamp - $timestamp > 604800) {
-    						return '<span style="color: #F00;">' . api_format_date($last_login_date, DATE_FORMAT_SHORT) . '</span>';
-    					} else {
-    						return api_format_date($last_login_date, DATE_FORMAT_SHORT);
-    					}
-    				}
-    			}
-    		}
-    	}
-    	return false;
+        $rs = Database::query($sql);
+        if (Database::num_rows($rs) > 0) {
+            if ($last_login_date = Database::result($rs, 0, 0)) {
+                $last_login_date = api_get_local_time($last_login_date);
+                if ($return_timestamp) {
+                    return api_strtotime($last_login_date,'UTC');
+                } else {
+                    if (!$warning_message) {
+                        return api_format_date($last_login_date, DATE_FORMAT_SHORT);
+                    } else {
+                        $timestamp = api_strtotime($last_login_date,'UTC');
+                        $currentTimestamp = time();
+
+                        //If the last connection is > than 7 days, the text is red
+                        //345600 = 7 days in seconds
+                        if ($currentTimestamp - $timestamp > 604800) {
+                            return '<span style="color: #F00;">' . api_format_date($last_login_date, DATE_FORMAT_SHORT) . '</span>';
+                        } else {
+                            return api_format_date($last_login_date, DATE_FORMAT_SHORT);
+                        }
+                    }
+                }
+            }
+        }
+        return false;
     }
 
     /**
@@ -1510,30 +1510,30 @@ 
         $session_id = 0,
         $convert_date = true
     ) {
-    	$student_id  = intval($student_id);
+        $student_id  = intval($student_id);
         $courseId = intval($courseId);
-    	$session_id  = intval($session_id);
+        $session_id  = intval($session_id);
 
-    	$tbl_track_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
-    	$sql = 'SELECT login_course_date
+        $tbl_track_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
+        $sql = 'SELECT login_course_date
     	        FROM '.$tbl_track_login.'
                 WHERE
                     user_id = '.$student_id.' AND
                     c_id = '.$courseId.' AND
                     session_id = '.$session_id.'
                 ORDER BY login_course_date ASC LIMIT 0,1';
-    	$rs = Database::query($sql);
-    	if (Database::num_rows($rs) > 0) {
-    		if ($first_login_date = Database::result($rs, 0, 0)) {
-    			if ($convert_date) {
-    				return api_convert_and_format_date($first_login_date, DATE_FORMAT_SHORT);
-    			} else {
-    				return $first_login_date;
-    			}
-    		}
-    	}
-
-    	return false;
+        $rs = Database::query($sql);
+        if (Database::num_rows($rs) > 0) {
+            if ($first_login_date = Database::result($rs, 0, 0)) {
+                if ($convert_date) {
+                    return api_convert_and_format_date($first_login_date, DATE_FORMAT_SHORT);
+                } else {
+                    return $first_login_date;
+                }
+            }
+        }
+
+        return false;
     }
 
     /**
@@ -1549,13 +1549,13 @@ 
         $session_id = 0,
         $convert_date = true
     ) {
-    	// protect data
-    	$student_id  = intval($student_id);
+        // protect data
+        $student_id  = intval($student_id);
         $courseId = $courseInfo['real_id'];
-    	$session_id  = intval($session_id);
+        $session_id  = intval($session_id);
 
-    	$tbl_track_e_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
-    	$sql = 'SELECT access_date
+        $tbl_track_e_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
+        $sql = 'SELECT access_date
                 FROM '.$tbl_track_e_access.'
                 WHERE   access_user_id = '.$student_id.' AND
                         c_id = "'.$courseId.'" AND
@@ -1563,38 +1563,38 @@ 
                 ORDER BY access_date DESC
                 LIMIT 0,1';
 
-    	$rs = Database::query($sql);
-    	if (Database::num_rows($rs) > 0) {
-    		if ($last_login_date = Database::result($rs, 0, 0)) {
+        $rs = Database::query($sql);
+        if (Database::num_rows($rs) > 0) {
+            if ($last_login_date = Database::result($rs, 0, 0)) {
                 if (empty($last_login_date) || $last_login_date == '0000-00-00 00:00:00') {
                     return false;
                 }
                 //see #5736
                 $last_login_date_timestamp = api_strtotime($last_login_date);
-    			$now = time();
-    			//If the last connection is > than 7 days, the text is red
-    			//345600 = 7 days in seconds
-    			if ($now - $last_login_date_timestamp > 604800) {
-    				if ($convert_date) {
+                $now = time();
+                //If the last connection is > than 7 days, the text is red
+                //345600 = 7 days in seconds
+                if ($now - $last_login_date_timestamp > 604800) {
+                    if ($convert_date) {
                         $last_login_date = api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT);
                         $icon = api_is_allowed_to_edit() ?
                             '<a href="'.api_get_path(REL_CODE_PATH).'announcements/announcements.php?action=add&remind_inactive='.$student_id.'&cidReq='.$courseInfo['code'].'" title="'.get_lang('RemindInactiveUser').'">
                              <img src="'.api_get_path(WEB_IMG_PATH).'messagebox_warning.gif" /> </a>'
                             : null;
-    					return $icon. Display::label($last_login_date, 'warning');
-    				} else {
-    					return $last_login_date;
-    				}
-    			} else {
-    				if ($convert_date) {
-    					return api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT);
-    				} else {
-    					return $last_login_date;
-    				}
-    			}
-    		}
-    	}
-    	return false;
+                        return $icon. Display::label($last_login_date, 'warning');
+                    } else {
+                        return $last_login_date;
+                    }
+                } else {
+                    if ($convert_date) {
+                        return api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT);
+                    } else {
+                        return $last_login_date;
+                    }
+                }
+            }
+        }
+        return false;
     }
 
     /**
@@ -1607,36 +1607,36 @@ 
      */
     public static function get_course_connections_count($courseId, $session_id = 0, $start = 0, $stop = null)
     {
-    	if ($start < 0) {
-    		$start = 0;
-    	}
-    	if (!isset($stop) or ($stop < 0)) {
-    		$stop = api_get_utc_datetime();
-    	}
+        if ($start < 0) {
+            $start = 0;
+        }
+        if (!isset($stop) or ($stop < 0)) {
+            $stop = api_get_utc_datetime();
+        }
 
         $start = Database::escape_string($start);
         $stop = Database::escape_string($stop);
 
-    	$month_filter = " AND login_course_date > '$start' AND login_course_date < '$stop' ";
+        $month_filter = " AND login_course_date > '$start' AND login_course_date < '$stop' ";
 
         $courseId = intval($courseId);
-    	$session_id  = intval($session_id);
-    	$count = 0;
+        $session_id  = intval($session_id);
+        $count = 0;
 
-    	$tbl_track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
-    	$sql = "SELECT count(*) as count_connections
+        $tbl_track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
+        $sql = "SELECT count(*) as count_connections
                 FROM $tbl_track_e_course_access
                 WHERE
                     c_id = $courseId AND
                     session_id = $session_id
                     $month_filter";
-    	$rs = Database::query($sql);
-    	if (Database::num_rows($rs)>0) {
-    		$row = Database::fetch_object($rs);
-    		$count = $row->count_connections;
-    	}
+        $rs = Database::query($sql);
+        if (Database::num_rows($rs)>0) {
+            $row = Database::fetch_object($rs);
+            $count = $row->count_connections;
+        }
 
-    	return $count;
+        return $count;
     }
 
     /**
@@ -1647,25 +1647,25 @@ 
      */
     public static function count_course_per_student($user_id, $include_sessions = true)
     {
-    	$user_id = intval($user_id);
-    	$tbl_course_rel_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
-    	$tbl_session_course_rel_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
+        $user_id = intval($user_id);
+        $tbl_course_rel_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
+        $tbl_session_course_rel_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 
-    	$sql = 'SELECT DISTINCT c_id
+        $sql = 'SELECT DISTINCT c_id
                 FROM ' . $tbl_course_rel_user . '
                 WHERE user_id = ' . $user_id.' AND relation_type<>'.COURSE_RELATION_TYPE_RRHH;
-    	$rs = Database::query($sql);
-    	$nb_courses = Database::num_rows($rs);
+        $rs = Database::query($sql);
+        $nb_courses = Database::num_rows($rs);
 
-    	if ($include_sessions) {
-    		$sql = 'SELECT DISTINCT c_id
+        if ($include_sessions) {
+            $sql = 'SELECT DISTINCT c_id
                     FROM ' . $tbl_session_course_rel_user . '
                     WHERE user_id = ' . $user_id;
-    		$rs = Database::query($sql);
-    		$nb_courses += Database::num_rows($rs);
-    	}
+            $rs = Database::query($sql);
+            $nb_courses += Database::num_rows($rs);
+        }
 
-    	return $nb_courses;
+        return $nb_courses;
     }
 
     /**
@@ -1696,25 +1696,25 @@ 
         $into_lp = 0
     ) {
         $course_code = Database::escape_string($course_code);
-    	$course_info = api_get_course_info($course_code);
-    	if (!empty($course_info)) {
-    		// table definition
-    		$tbl_course_quiz     = Database::get_course_table(TABLE_QUIZ_TEST);
-    		$tbl_stats_exercise  = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
-
-    		// Compose a filter based on optional exercise given
-    		$condition_quiz = "";
-    		if (!empty($exercise_id)) {
-    			$exercise_id = intval($exercise_id);
-    			$condition_quiz =" AND id = $exercise_id ";
-    		}
-
-    		// Compose a filter based on optional session id given
-    		$condition_session = "";
-    		if (isset($session_id)) {
-    			$session_id = intval($session_id);
-    			$condition_session = " AND session_id = $session_id ";
-    		}
+        $course_info = api_get_course_info($course_code);
+        if (!empty($course_info)) {
+            // table definition
+            $tbl_course_quiz     = Database::get_course_table(TABLE_QUIZ_TEST);
+            $tbl_stats_exercise  = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
+
+            // Compose a filter based on optional exercise given
+            $condition_quiz = "";
+            if (!empty($exercise_id)) {
+                $exercise_id = intval($exercise_id);
+                $condition_quiz =" AND id = $exercise_id ";
+            }
+
+            // Compose a filter based on optional session id given
+            $condition_session = "";
+            if (isset($session_id)) {
+                $session_id = intval($session_id);
+                $condition_session = " AND session_id = $session_id ";
+            }
             if ($active_filter == 1) {
                 $condition_active = 'AND active <> -1';
             } elseif ($active_filter == 0) {
@@ -1730,25 +1730,25 @@ 
                 $select_lp_id = ', orig_lp_id as lp_id ';
             }
 
-    		$sql = "SELECT count(id) FROM $tbl_course_quiz
+            $sql = "SELECT count(id) FROM $tbl_course_quiz
     				WHERE c_id = {$course_info['real_id']} $condition_active $condition_quiz ";
-    		$count_quiz = Database::fetch_row(Database::query($sql));
+            $count_quiz = Database::fetch_row(Database::query($sql));
 
-    		if (!empty($count_quiz[0]) && !empty($student_id)) {
-    			if (is_array($student_id)) {
+            if (!empty($count_quiz[0]) && !empty($student_id)) {
+                if (is_array($student_id)) {
                     $student_id = array_map('intval', $student_id);
-    				$condition_user = " AND exe_user_id IN (".implode(',', $student_id).") ";
-    			} else {
+                    $condition_user = " AND exe_user_id IN (".implode(',', $student_id).") ";
+                } else {
                     $student_id = intval($student_id);
-    				$condition_user = " AND exe_user_id = '$student_id' ";
-    			}
+                    $condition_user = " AND exe_user_id = '$student_id' ";
+                }
 
-    			if (empty($exercise_id)) {
-    				$sql = "SELECT id FROM $tbl_course_quiz
+                if (empty($exercise_id)) {
+                    $sql = "SELECT id FROM $tbl_course_quiz
     						WHERE c_id = {$course_info['real_id']} $condition_active $condition_quiz";
                     $result = Database::query($sql);
                     $exercise_list = array();
-    				$exercise_id = null;
+                    $exercise_id = null;
                     if (Database::num_rows($result)) {
                         while ($row = Database::fetch_array($result)) {
                             $exercise_list[] = $row['id'];
@@ -1757,11 +1757,11 @@ 
                     if (!empty($exercise_list)) {
                         $exercise_id = implode("','",$exercise_list);
                     }
-    			}
+                }
 
-    			$count_quiz = Database::fetch_row(Database::query($sql));
+                $count_quiz = Database::fetch_row(Database::query($sql));
 
-    			$sql = "SELECT
+                $sql = "SELECT
     			        SUM(exe_result/exe_weighting*100) as avg_score,
     			        COUNT(*) as num_attempts
     			        $select_lp_id
@@ -1775,20 +1775,20 @@ 
                             $condition_into_lp
                         ORDER BY exe_date DESC";
 
-    			$res = Database::query($sql);
-    			$row = Database::fetch_array($res);
-    			$quiz_avg_score = null;
+                $res = Database::query($sql);
+                $row = Database::fetch_array($res);
+                $quiz_avg_score = null;
 
-    			if (!empty($row['avg_score'])) {
-    				$quiz_avg_score = round($row['avg_score'],2);
-    			}
+                if (!empty($row['avg_score'])) {
+                    $quiz_avg_score = round($row['avg_score'],2);
+                }
 
-    			if(!empty($row['num_attempts'])) {
-    				$quiz_avg_score = round($quiz_avg_score / $row['num_attempts'], 2);
-    			}
-    			if (is_array($student_id)) {
-    				$quiz_avg_score = round($quiz_avg_score / count($student_id), 2);
-    			}
+                if(!empty($row['num_attempts'])) {
+                    $quiz_avg_score = round($quiz_avg_score / $row['num_attempts'], 2);
+                }
+                if (is_array($student_id)) {
+                    $quiz_avg_score = round($quiz_avg_score / count($student_id), 2);
+                }
                 if ($into_lp == 0) {
                     return $quiz_avg_score;
                 } else {
@@ -1811,9 +1811,9 @@ 
                         return array($quiz_avg_score, null);
                     }
                 }
-    		}
-    	}
-    	return null;
+            }
+        }
+        return null;
     }
 
     /**
@@ -1846,15 +1846,15 @@ 
         $find_all_lp = 0
     ) {
         $courseId = intval($courseId);
-    	$student_id  = intval($student_id);
-    	$exercise_id = intval($exercise_id);
-    	$session_id  = intval($session_id);
+        $student_id  = intval($student_id);
+        $exercise_id = intval($exercise_id);
+        $session_id  = intval($session_id);
 
-    	$lp_id = intval($lp_id);
+        $lp_id = intval($lp_id);
         $lp_item_id = intval($lp_item_id);
-    	$tbl_stats_exercises = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
+        $tbl_stats_exercises = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 
-    	$sql = "SELECT COUNT(ex.exe_id) as essais FROM $tbl_stats_exercises AS ex
+        $sql = "SELECT COUNT(ex.exe_id) as essais FROM $tbl_stats_exercises AS ex
                 WHERE  ex.c_id = $courseId
                 AND ex.exe_exo_id = $exercise_id
                 AND status = ''
@@ -1869,11 +1869,11 @@ 
                 AND orig_lp_item_id = $lp_item_id";
         }
 
-    	$rs = Database::query($sql);
-    	$row = Database::fetch_row($rs);
-    	$count_attempts = $row[0];
+        $rs = Database::query($sql);
+        $row = Database::fetch_row($rs);
+        $count_attempts = $row[0];
 
-    	return $count_attempts;
+        return $count_attempts;
     }
 
     /**
@@ -1883,7 +1883,7 @@ 
      * @param int    $user_id
      * @param int    $courseId
      * @param int    $session_id
-    */
+     */
     public static function get_exercise_student_progress($exercise_list, $user_id, $courseId, $session_id)
     {
         $courseId = intval($courseId);
@@ -3499,8 +3499,8 @@ 
 
         $condition_session = '';
         if (isset($session_id)) {
-             $session_id = intval($session_id);
-             $condition_session = ' AND f.session_id = '. $session_id;
+                $session_id = intval($session_id);
+                $condition_session = ' AND f.session_id = '. $session_id;
         }
 
         $groupId = intval($groupId);
@@ -5399,9 +5399,9 @@ 
     }
 
     /**
-    * @param FormValidator $form
-    * @return mixed
-    */
+     * @param FormValidator $form
+     * @return mixed
+     */
     public static function setUserSearchForm($form)
     {
         global $_configuration;
@@ -5680,26 +5680,26 @@ 
         $session_id = api_get_session_id();
         $course_id = api_get_course_int_id();
 
-    	$table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
-    	$table_user = Database :: get_main_table(TABLE_MAIN_USER);
+        $table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
+        $table_user = Database :: get_main_table(TABLE_MAIN_USER);
 
-    	$sql = "SELECT count(tool) AS total_number_of_items
+        $sql = "SELECT count(tool) AS total_number_of_items
     	        FROM $table_item_property track_resource, $table_user user
     	        WHERE
                     track_resource.c_id = $course_id AND
                     track_resource.insert_user_id = user.user_id AND
                     session_id " .(empty($session_id) ? ' IS NULL ' : " = $session_id ");
 
-    	if (isset($_GET['keyword'])) {
-    		$keyword = Database::escape_string(trim($_GET['keyword']));
-    		$sql .= " AND (
+        if (isset($_GET['keyword'])) {
+            $keyword = Database::escape_string(trim($_GET['keyword']));
+            $sql .= " AND (
     		            user.username LIKE '%".$keyword."%' OR
     		            lastedit_type LIKE '%".$keyword."%' OR
     		            tool LIKE '%".$keyword."%'
                     )";
-    	}
+        }
 
-    	$sql .= " AND tool IN (
+        $sql .= " AND tool IN (
     	            'document',
     	            'learnpath',
     	            'quiz',
@@ -5711,10 +5711,10 @@ 
     	            'thematic_advance',
     	            'thematic_plan'
                 )";
-    	$res = Database::query($sql);
-    	$obj = Database::fetch_object($res);
+        $res = Database::query($sql);
+        $obj = Database::fetch_object($res);
 
-    	return $obj->total_number_of_items;
+        return $obj->total_number_of_items;
     }
 
     /**
@@ -5729,12 +5729,12 @@ 
         $session_id = api_get_session_id();
         $course_id = api_get_course_int_id();
 
-    	$table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
-    	$table_user = Database :: get_main_table(TABLE_MAIN_USER);
-    	$table_session = Database :: get_main_table(TABLE_MAIN_SESSION);
-    	$session_id = intval($session_id);
+        $table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
+        $table_user = Database :: get_main_table(TABLE_MAIN_USER);
+        $table_session = Database :: get_main_table(TABLE_MAIN_SESSION);
+        $session_id = intval($session_id);
 
-    	$sql = "SELECT
+        $sql = "SELECT
                     tool as col0,
                     lastedit_type as col1,
                     ref as ref,
@@ -5748,16 +5748,16 @@ 
                   track_resource.insert_user_id = user.user_id AND
                   session_id " .(empty($session_id) ? ' IS NULL ' : " = $session_id ");
 
-    	if (isset($_GET['keyword'])) {
-    		$keyword = Database::escape_string(trim($_GET['keyword']));
-    		$sql .= " AND (
+        if (isset($_GET['keyword'])) {
+            $keyword = Database::escape_string(trim($_GET['keyword']));
+            $sql .= " AND (
     		            user.username LIKE '%".$keyword."%' OR
     		            lastedit_type LIKE '%".$keyword."%' OR
     		            tool LIKE '%".$keyword."%'
                      ) ";
-    	}
+        }
 
-    	$sql .= " AND tool IN (
+        $sql .= " AND tool IN (
     	            'document',
     	            'learnpath',
     	            'quiz',
@@ -5770,41 +5770,41 @@ 
     	            'thematic_plan'
                 )";
 
-    	if ($column == 0) {
-    		$column = '0';
-    	}
-    	if ($column != '' && $direction != '') {
-    		if ($column != 2 && $column != 4) {
-    			$sql .= " ORDER BY col$column $direction";
-    		}
-    	} else {
-    		$sql .= " ORDER BY col5 DESC ";
-    	}
+        if ($column == 0) {
+            $column = '0';
+        }
+        if ($column != '' && $direction != '') {
+            if ($column != 2 && $column != 4) {
+                $sql .= " ORDER BY col$column $direction";
+            }
+        } else {
+            $sql .= " ORDER BY col5 DESC ";
+        }
 
         $from = intval($from);
         $number_of_items = intval($number_of_items);
 
-    	$sql .= " LIMIT $from, $number_of_items ";
-
-    	$res = Database::query($sql);
-    	$resources = array();
-    	$thematic_tools = array('thematic', 'thematic_advance', 'thematic_plan');
-    	while ($row = Database::fetch_array($res)) {
-    		$ref = $row['ref'];
-    		$table_name = TrackingCourseLog::get_tool_name_table($row['col0']);
-    		$table_tool = Database :: get_course_table($table_name['table_name']);
-
-    		$id = $table_name['id_tool'];
-    		$recorset = false;
+        $sql .= " LIMIT $from, $number_of_items ";
 
-    		if (in_array($row['col0'], array('thematic_plan', 'thematic_advance'))) {
-    			$tbl_thematic = Database :: get_course_table(TABLE_THEMATIC);
-    			$sql = "SELECT thematic_id FROM $table_tool
+        $res = Database::query($sql);
+        $resources = array();
+        $thematic_tools = array('thematic', 'thematic_advance', 'thematic_plan');
+        while ($row = Database::fetch_array($res)) {
+            $ref = $row['ref'];
+            $table_name = TrackingCourseLog::get_tool_name_table($row['col0']);
+            $table_tool = Database :: get_course_table($table_name['table_name']);
+
+            $id = $table_name['id_tool'];
+            $recorset = false;
+
+            if (in_array($row['col0'], array('thematic_plan', 'thematic_advance'))) {
+                $tbl_thematic = Database :: get_course_table(TABLE_THEMATIC);
+                $sql = "SELECT thematic_id FROM $table_tool
     			        WHERE c_id = $course_id AND id = $ref";
-    			$rs_thematic  = Database::query($sql);
-    			if (Database::num_rows($rs_thematic)) {
-    				$row_thematic = Database::fetch_array($rs_thematic);
-    				$thematic_id = $row_thematic['thematic_id'];
+                $rs_thematic  = Database::query($sql);
+                if (Database::num_rows($rs_thematic)) {
+                    $row_thematic = Database::fetch_array($rs_thematic);
+                    $thematic_id = $row_thematic['thematic_id'];
 
                     $sql = "SELECT session.id, session.name, user.username
                             FROM $tbl_thematic t, $table_session session, $table_user user
@@ -5813,9 +5813,9 @@ 
                               t.session_id = session.id AND
                               session.id_coach = user.user_id AND
                               t.id = $thematic_id";
-    				$recorset = Database::query($sql);
-    			}
-    		} else {
+                    $recorset = Database::query($sql);
+                }
+            } else {
                 $sql = "SELECT session.id, session.name, user.username
                           FROM $table_tool tool, $table_session session, $table_user user
     			          WHERE
@@ -5823,127 +5823,127 @@ 
     			              tool.session_id = session.id AND
     			              session.id_coach = user.user_id AND
     			              tool.$id = $ref";
-    			$recorset = Database::query($sql);
-    		}
-
-    		if (!empty($recorset)) {
-    			$obj = Database::fetch_object($recorset);
-
-    			$name_session = '';
-    			$coach_name = '';
-    			if (!empty($obj)) {
-    				$name_session = $obj->name;
-    				$coach_name   = $obj->username;
-    			}
-
-    			$url_tool = api_get_path(WEB_CODE_PATH).$table_name['link_tool'];
-    			$row[0] = '';
-    			if ($row['col6'] != 2) {
-    				if (in_array($row['col0'], $thematic_tools)) {
-
-    					$exp_thematic_tool = explode('_', $row['col0']);
-    					$thematic_tool_title = '';
-    					if (is_array($exp_thematic_tool)) {
-    						foreach ($exp_thematic_tool as $exp) {
-    							$thematic_tool_title .= api_ucfirst($exp);
-    						}
-    					} else {
-    						$thematic_tool_title = api_ucfirst($row['col0']);
-    					}
-
-    					$row[0] = '<a href="'.$url_tool.'?'.api_get_cidreq().'&action=thematic_details">'.get_lang($thematic_tool_title).'</a>';
-    				} else {
-    					$row[0] = '<a href="'.$url_tool.'?'.api_get_cidreq().'">'.get_lang('Tool'.api_ucfirst($row['col0'])).'</a>';
-    				}
-    			} else {
-    				$row[0] = api_ucfirst($row['col0']);
-    			}
-    			$row[1] = get_lang($row[1]);
-    			$row[6] = api_convert_and_format_date($row['col5'], null, date_default_timezone_get());
-    			$row[5] = '';
-    			//@todo Improve this code please
-    			switch ($table_name['table_name']) {
-    				case 'document' :
-    					$sql = "SELECT tool.title as title FROM $table_tool tool
+                $recorset = Database::query($sql);
+            }
+
+            if (!empty($recorset)) {
+                $obj = Database::fetch_object($recorset);
+
+                $name_session = '';
+                $coach_name = '';
+                if (!empty($obj)) {
+                    $name_session = $obj->name;
+                    $coach_name   = $obj->username;
+                }
+
+                $url_tool = api_get_path(WEB_CODE_PATH).$table_name['link_tool'];
+                $row[0] = '';
+                if ($row['col6'] != 2) {
+                    if (in_array($row['col0'], $thematic_tools)) {
+
+                        $exp_thematic_tool = explode('_', $row['col0']);
+                        $thematic_tool_title = '';
+                        if (is_array($exp_thematic_tool)) {
+                            foreach ($exp_thematic_tool as $exp) {
+                                $thematic_tool_title .= api_ucfirst($exp);
+                            }
+                        } else {
+                            $thematic_tool_title = api_ucfirst($row['col0']);
+                        }
+
+                        $row[0] = '<a href="'.$url_tool.'?'.api_get_cidreq().'&action=thematic_details">'.get_lang($thematic_tool_title).'</a>';
+                    } else {
+                        $row[0] = '<a href="'.$url_tool.'?'.api_get_cidreq().'">'.get_lang('Tool'.api_ucfirst($row['col0'])).'</a>';
+                    }
+                } else {
+                    $row[0] = api_ucfirst($row['col0']);
+                }
+                $row[1] = get_lang($row[1]);
+                $row[6] = api_convert_and_format_date($row['col5'], null, date_default_timezone_get());
+                $row[5] = '';
+                //@todo Improve this code please
+                switch ($table_name['table_name']) {
+                    case 'document' :
+                        $sql = "SELECT tool.title as title FROM $table_tool tool
                                 WHERE c_id = $course_id AND id = $ref";
-    					$rs_document = Database::query($sql);
-    					$obj_document = Database::fetch_object($rs_document);
-    					$row[5] = $obj_document->title;
+                        $rs_document = Database::query($sql);
+                        $obj_document = Database::fetch_object($rs_document);
+                        $row[5] = $obj_document->title;
 
-    					break;
-    				case 'announcement':
+                        break;
+                    case 'announcement':
                         $sql = "SELECT title FROM $table_tool
                                 WHERE c_id = $course_id AND id = $ref";
-    					$rs_document = Database::query($sql);
-    					$obj_document = Database::fetch_object($rs_document);
+                        $rs_document = Database::query($sql);
+                        $obj_document = Database::fetch_object($rs_document);
                         if ($obj_document) {
                             $row[5] = $obj_document->title;
                         }
-    					break;
-    				case 'glossary':
+                        break;
+                    case 'glossary':
                         $sql = "SELECT name FROM $table_tool
     					        WHERE c_id = $course_id AND glossary_id = $ref";
-    					$rs_document = Database::query($sql);
-    					$obj_document = Database::fetch_object($rs_document);
+                        $rs_document = Database::query($sql);
+                        $obj_document = Database::fetch_object($rs_document);
                         if ($obj_document) {
                             $row[5] = $obj_document->name;
                         }
-    					break;
-    				case 'lp':
+                        break;
+                    case 'lp':
                         $sql = "SELECT name
                                 FROM $table_tool WHERE c_id = $course_id AND id = $ref";
-    					$rs_document = Database::query($sql);
-    					$obj_document = Database::fetch_object($rs_document);
-    					$row[5] = $obj_document->name;
-    					break;
-    				case 'quiz':
+                        $rs_document = Database::query($sql);
+                        $obj_document = Database::fetch_object($rs_document);
+                        $row[5] = $obj_document->name;
+                        break;
+                    case 'quiz':
                         $sql = "SELECT title FROM $table_tool
                                 WHERE c_id = $course_id AND id = $ref";
-    					$rs_document = Database::query($sql);
-    					$obj_document = Database::fetch_object($rs_document);
+                        $rs_document = Database::query($sql);
+                        $obj_document = Database::fetch_object($rs_document);
                         if ($obj_document) {
                             $row[5] = $obj_document->title;
                         }
-    					break;
-    				case 'course_description':
+                        break;
+                    case 'course_description':
                         $sql = "SELECT title FROM $table_tool
                                 WHERE c_id = $course_id AND id = $ref";
-    					$rs_document = Database::query($sql);
-    					$obj_document = Database::fetch_object($rs_document);
+                        $rs_document = Database::query($sql);
+                        $obj_document = Database::fetch_object($rs_document);
                         if ($obj_document) {
                             $row[5] = $obj_document->title;
                         }
-    					break;
-    				case 'thematic':
-    					$rs = Database::query("SELECT title FROM $table_tool WHERE c_id = $course_id AND id = $ref");
-    					if (Database::num_rows($rs) > 0) {
-    						$obj = Database::fetch_object($rs);
-    						$row[5] = $obj->title;
-    					}
-    					break;
-    				case 'thematic_advance':
-    					$rs = Database::query("SELECT content FROM $table_tool WHERE c_id = $course_id AND id = $ref");
-    					if (Database::num_rows($rs) > 0) {
-    						$obj = Database::fetch_object($rs);
-    						$row[5] = $obj->content;
-    					}
-    					break;
-    				case 'thematic_plan':
-    					$rs = Database::query("SELECT title FROM $table_tool WHERE c_id = $course_id AND id = $ref");
-    					if (Database::num_rows($rs) > 0) {
-    						$obj = Database::fetch_object($rs);
-    						$row[5] = $obj->title;
-    					}
-    					break;
-    				default:
-    					break;
-    			}
-
-    			$row2 = $name_session;
-    			if (!empty($coach_name)) {
-    				$row2 .= '<br />'.get_lang('Coach').': '.$coach_name;
-    			}
-    			$row[2] = $row2;
+                        break;
+                    case 'thematic':
+                        $rs = Database::query("SELECT title FROM $table_tool WHERE c_id = $course_id AND id = $ref");
+                        if (Database::num_rows($rs) > 0) {
+                            $obj = Database::fetch_object($rs);
+                            $row[5] = $obj->title;
+                        }
+                        break;
+                    case 'thematic_advance':
+                        $rs = Database::query("SELECT content FROM $table_tool WHERE c_id = $course_id AND id = $ref");
+                        if (Database::num_rows($rs) > 0) {
+                            $obj = Database::fetch_object($rs);
+                            $row[5] = $obj->content;
+                        }
+                        break;
+                    case 'thematic_plan':
+                        $rs = Database::query("SELECT title FROM $table_tool WHERE c_id = $course_id AND id = $ref");
+                        if (Database::num_rows($rs) > 0) {
+                            $obj = Database::fetch_object($rs);
+                            $row[5] = $obj->title;
+                        }
+                        break;
+                    default:
+                        break;
+                }
+
+                $row2 = $name_session;
+                if (!empty($coach_name)) {
+                    $row2 .= '<br />'.get_lang('Coach').': '.$coach_name;
+                }
+                $row[2] = $row2;
                 if (!empty($row['col3'])) {
                     $userInfo = api_get_user_info($row['user_id']);
 
@@ -5960,11 +5960,11 @@ 
                     $row[4] = $ip;
                 }
 
-    			$resources[] = $row;
-    		}
-    	}
+                $resources[] = $row;
+            }
+        }
 
-    	return $resources;
+        return $resources;
     }
 
     /**
@@ -5974,63 +5974,63 @@ 
      */
     public static function get_tool_name_table($tool)
     {
-    	switch ($tool) {
-    		case 'document':
-    			$table_name = TABLE_DOCUMENT;
-    			$link_tool = 'document/document.php';
-    			$id_tool = 'id';
-    			break;
-    		case 'learnpath':
-    			$table_name = TABLE_LP_MAIN;
-    			$link_tool = 'newscorm/lp_controller.php';
-    			$id_tool = 'id';
-    			break;
-    		case 'quiz':
-    			$table_name = TABLE_QUIZ_TEST;
-    			$link_tool = 'exercice/exercice.php';
-    			$id_tool = 'id';
-    			break;
-    		case 'glossary':
-    			$table_name = TABLE_GLOSSARY;
-    			$link_tool = 'glossary/index.php';
-    			$id_tool = 'glossary_id';
-    			break;
-    		case 'link':
-    			$table_name = TABLE_LINK;
-    			$link_tool = 'link/link.php';
-    			$id_tool = 'id';
-    			break;
-    		case 'course_description':
-    			$table_name = TABLE_COURSE_DESCRIPTION;
-    			$link_tool = 'course_description/';
-    			$id_tool = 'id';
-    			break;
-    		case 'announcement':
-    			$table_name = TABLE_ANNOUNCEMENT;
-    			$link_tool = 'announcements/announcements.php';
-    			$id_tool = 'id';
-    			break;
-    		case 'thematic':
-    			$table_name = TABLE_THEMATIC;
-    			$link_tool = 'course_progress/index.php';
-    			$id_tool = 'id';
-    			break;
-    		case 'thematic_advance':
-    			$table_name = TABLE_THEMATIC_ADVANCE;
-    			$link_tool = 'course_progress/index.php';
-    			$id_tool = 'id';
-    			break;
-    		case 'thematic_plan':
-    			$table_name = TABLE_THEMATIC_PLAN;
-    			$link_tool = 'course_progress/index.php';
-    			$id_tool = 'id';
-    			break;
-    		default:
-    			$table_name = $tool;
-    		break;
-    	}
-
-    	return array(
+        switch ($tool) {
+            case 'document':
+                $table_name = TABLE_DOCUMENT;
+                $link_tool = 'document/document.php';
+                $id_tool = 'id';
+                break;
+            case 'learnpath':
+                $table_name = TABLE_LP_MAIN;
+                $link_tool = 'newscorm/lp_controller.php';
+                $id_tool = 'id';
+                break;
+            case 'quiz':
+                $table_name = TABLE_QUIZ_TEST;
+                $link_tool = 'exercice/exercice.php';
+                $id_tool = 'id';
+                break;
+            case 'glossary':
+                $table_name = TABLE_GLOSSARY;
+                $link_tool = 'glossary/index.php';
+                $id_tool = 'glossary_id';
+                break;
+            case 'link':
+                $table_name = TABLE_LINK;
+                $link_tool = 'link/link.php';
+                $id_tool = 'id';
+                break;
+            case 'course_description':
+                $table_name = TABLE_COURSE_DESCRIPTION;
+                $link_tool = 'course_description/';
+                $id_tool = 'id';
+                break;
+            case 'announcement':
+                $table_name = TABLE_ANNOUNCEMENT;
+                $link_tool = 'announcements/announcements.php';
+                $id_tool = 'id';
+                break;
+            case 'thematic':
+                $table_name = TABLE_THEMATIC;
+                $link_tool = 'course_progress/index.php';
+                $id_tool = 'id';
+                break;
+            case 'thematic_advance':
+                $table_name = TABLE_THEMATIC_ADVANCE;
+                $link_tool = 'course_progress/index.php';
+                $id_tool = 'id';
+                break;
+            case 'thematic_plan':
+                $table_name = TABLE_THEMATIC_PLAN;
+                $link_tool = 'course_progress/index.php';
+                $id_tool = 'id';
+                break;
+            default:
+                $table_name = $tool;
+            break;
+        }
+
+        return array(
             'table_name' => $table_name,
             'link_tool' => $link_tool,
             'id_tool' => $id_tool
@@ -6039,45 +6039,45 @@ 
 
     public static function display_additional_profile_fields()
     {
-    	// getting all the extra profile fields that are defined by the platform administrator
-    	$extra_fields = UserManager :: get_extra_fields(0,50,5,'ASC');
-
-    	// creating the form
-    	$return = '<form action="courseLog.php" method="get" name="additional_profile_field_form" id="additional_profile_field_form">';
-
-    	// the select field with the additional user profile fields (= this is where we select the field of which we want to see
-    	// the information the users have entered or selected.
-    	$return .= '<select name="additional_profile_field">';
-    	$return .= '<option value="-">'.get_lang('SelectFieldToAdd').'</option>';
-    	$extra_fields_to_show = 0;
-    	foreach ($extra_fields as $key=>$field) {
-    		// show only extra fields that are visible + and can be filtered, added by J.Montoya
-    		if ($field[6]==1 && $field[8] == 1) {
-    			if (isset($_GET['additional_profile_field']) && $field[0] == $_GET['additional_profile_field'] ) {
-    				$selected = 'selected="selected"';
-    			} else {
-    				$selected = '';
-    			}
-    			$extra_fields_to_show++;
-    			$return .= '<option value="'.$field[0].'" '.$selected.'>'.$field[3].'</option>';
-    		}
-    	}
-    	$return .= '</select>';
-
-    	// the form elements for the $_GET parameters (because the form is passed through GET
-    	foreach ($_GET as $key=>$value){
-    		if ($key <> 'additional_profile_field')    {
-    			$return .= '<input type="hidden" name="'.Security::remove_XSS($key).'" value="'.Security::remove_XSS($value).'" />';
-    		}
-    	}
-    	// the submit button
-    	$return .= '<button class="save" type="submit">'.get_lang('AddAdditionalProfileField').'</button>';
-    	$return .= '</form>';
-    	if ($extra_fields_to_show > 0) {
-    		return $return;
-    	} else {
-    		return '';
-    	}
+        // getting all the extra profile fields that are defined by the platform administrator
+        $extra_fields = UserManager :: get_extra_fields(0,50,5,'ASC');
+
+        // creating the form
+        $return = '<form action="courseLog.php" method="get" name="additional_profile_field_form" id="additional_profile_field_form">';
+
+        // the select field with the additional user profile fields (= this is where we select the field of which we want to see
+        // the information the users have entered or selected.
+        $return .= '<select name="additional_profile_field">';
+        $return .= '<option value="-">'.get_lang('SelectFieldToAdd').'</option>';
+        $extra_fields_to_show = 0;
+        foreach ($extra_fields as $key=>$field) {
+            // show only extra fields that are visible + and can be filtered, added by J.Montoya
+            if ($field[6]==1 && $field[8] == 1) {
+                if (isset($_GET['additional_profile_field']) && $field[0] == $_GET['additional_profile_field'] ) {
+                    $selected = 'selected="selected"';
+                } else {
+                    $selected = '';
+                }
+                $extra_fields_to_show++;
+                $return .= '<option value="'.$field[0].'" '.$selected.'>'.$field[3].'</option>';
+            }
+        }
+        $return .= '</select>';
+
+        // the form elements for the $_GET parameters (because the form is passed through GET
+        foreach ($_GET as $key=>$value){
+            if ($key <> 'additional_profile_field')    {
+                $return .= '<input type="hidden" name="'.Security::remove_XSS($key).'" value="'.Security::remove_XSS($value).'" />';
+            }
+        }
+        // the submit button
+        $return .= '<button class="save" type="submit">'.get_lang('AddAdditionalProfileField').'</button>';
+        $return .= '</form>';
+        if ($extra_fields_to_show > 0) {
+            return $return;
+        } else {
+            return '';
+        }
     }
 
     /**
@@ -6096,31 +6096,31 @@ 
      */
     public static function get_addtional_profile_information_of_field_by_user($field_id, $users)
     {
-    	// Database table definition
-    	$table_user = Database::get_main_table(TABLE_MAIN_USER);
-    	$table_user_field_values = Database::get_main_table(TABLE_EXTRA_FIELD_VALUES);
+        // Database table definition
+        $table_user = Database::get_main_table(TABLE_MAIN_USER);
+        $table_user_field_values = Database::get_main_table(TABLE_EXTRA_FIELD_VALUES);
         $extraField = Database::get_main_table(TABLE_EXTRA_FIELD);
-    	$result_extra_field = UserManager::get_extra_field_information($field_id);
-
-    	if (!empty($users)) {
-    		if ($result_extra_field['field_type'] == UserManager::USER_FIELD_TYPE_TAG ) {
-    			foreach($users as $user_id) {
-    				$user_result = UserManager::get_user_tags($user_id, $field_id);
-    				$tag_list = array();
-    				foreach($user_result as $item) {
-    					$tag_list[] = $item['tag'];
-    				}
-    				$return[$user_id][] = implode(', ',$tag_list);
-    			}
-    		} else {
-    			$new_user_array = array();
-    			foreach ($users as $user_id) {
-    				$new_user_array[]= "'".$user_id."'";
-    			}
-    			$users = implode(',',$new_user_array);
+        $result_extra_field = UserManager::get_extra_field_information($field_id);
+
+        if (!empty($users)) {
+            if ($result_extra_field['field_type'] == UserManager::USER_FIELD_TYPE_TAG ) {
+                foreach($users as $user_id) {
+                    $user_result = UserManager::get_user_tags($user_id, $field_id);
+                    $tag_list = array();
+                    foreach($user_result as $item) {
+                        $tag_list[] = $item['tag'];
+                    }
+                    $return[$user_id][] = implode(', ',$tag_list);
+                }
+            } else {
+                $new_user_array = array();
+                foreach ($users as $user_id) {
+                    $new_user_array[]= "'".$user_id."'";
+                }
+                $users = implode(',',$new_user_array);
                 $extraFieldType = EntityExtraField::USER_FIELD_TYPE;
-    			// Selecting only the necessary information NOT ALL the user list
-    			$sql = "SELECT user.user_id, v.value
+                // Selecting only the necessary information NOT ALL the user list
+                $sql = "SELECT user.user_id, v.value
     			        FROM $table_user user
     			        INNER JOIN $table_user_field_values v
                         ON (user.user_id = v.item_id)
@@ -6131,27 +6131,27 @@ 
                             v.field_id=".intval($field_id)." AND
                             user.user_id IN ($users)";
 
-    			$result = Database::query($sql);
-    			while($row = Database::fetch_array($result)) {
-    				// get option value for field type double select by id
-    				if (!empty($row['value'])) {
-    					if ($result_extra_field['field_type'] ==
+                $result = Database::query($sql);
+                while($row = Database::fetch_array($result)) {
+                    // get option value for field type double select by id
+                    if (!empty($row['value'])) {
+                        if ($result_extra_field['field_type'] ==
                             ExtraField::FIELD_TYPE_DOUBLE_SELECT
                         ) {
-    						$id_double_select = explode(';', $row['value']);
-    						if (is_array($id_double_select)) {
-    							$value1 = $result_extra_field['options'][$id_double_select[0]]['option_value'];
-    							$value2 = $result_extra_field['options'][$id_double_select[1]]['option_value'];
-    							$row['value'] = ($value1.';'.$value2);
-    						}
-    					}
-    				}
-    				// get other value from extra field
-    				$return[$row['user_id']][] = $row['value'];
-    			}
-    		}
-    	}
-    	return $return;
+                            $id_double_select = explode(';', $row['value']);
+                            if (is_array($id_double_select)) {
+                                $value1 = $result_extra_field['options'][$id_double_select[0]]['option_value'];
+                                $value2 = $result_extra_field['options'][$id_double_select[1]]['option_value'];
+                                $row['value'] = ($value1.';'.$value2);
+                            }
+                        }
+                    }
+                    // get other value from extra field
+                    $return[$row['user_id']][] = $row['value'];
+                }
+            }
+        }
+        return $return;
     }
 
     /**
@@ -6160,18 +6160,18 @@ 
      */
     public function count_student_in_course()
     {
-    	global $nbStudents;
-    	return $nbStudents;
+        global $nbStudents;
+        return $nbStudents;
     }
 
     public function sort_users($a, $b)
     {
-    	return strcmp(trim(api_strtolower($a[$_SESSION['tracking_column']])), trim(api_strtolower($b[$_SESSION['tracking_column']])));
+        return strcmp(trim(api_strtolower($a[$_SESSION['tracking_column']])), trim(api_strtolower($b[$_SESSION['tracking_column']])));
     }
 
     public function sort_users_desc($a, $b)
     {
-    	return strcmp( trim(api_strtolower($b[$_SESSION['tracking_column']])), trim(api_strtolower($a[$_SESSION['tracking_column']])));
+        return strcmp( trim(api_strtolower($b[$_SESSION['tracking_column']])), trim(api_strtolower($a[$_SESSION['tracking_column']])));
     }
 
     /**
@@ -6180,8 +6180,8 @@ 
      */
     public static function get_number_of_users()
     {
-    	global $user_ids;
-    	return count($user_ids);
+        global $user_ids;
+        return count($user_ids);
     }
 
     /**
@@ -6197,37 +6197,37 @@ 
     {
         global $user_ids, $course_code, $additional_user_profile_info, $export_csv, $is_western_name_order, $csv_content, $session_id;
 
-    	$course_code = Database::escape_string($course_code);
-    	$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
-    	$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $course_code = Database::escape_string($course_code);
+        $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
+        $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
 
-    	$access_url_id = api_get_current_access_url_id();
+        $access_url_id = api_get_current_access_url_id();
 
-    	// get all users data from a course for sortable with limit
-    	if (is_array($user_ids)) {
-    		$user_ids = array_map('intval', $user_ids);
-    		$condition_user = " WHERE user.user_id IN (".implode(',',$user_ids).") ";
-    	} else {
-    		$user_ids = intval($user_ids);
-    		$condition_user = " WHERE user.user_id = $user_ids ";
-    	}
+        // get all users data from a course for sortable with limit
+        if (is_array($user_ids)) {
+            $user_ids = array_map('intval', $user_ids);
+            $condition_user = " WHERE user.user_id IN (".implode(',',$user_ids).") ";
+        } else {
+            $user_ids = intval($user_ids);
+            $condition_user = " WHERE user.user_id = $user_ids ";
+        }
 
-    	if (!empty($_GET['user_keyword'])) {
-    		$keyword = trim(Database::escape_string($_GET['user_keyword']));
-    		$condition_user .=  " AND (
+        if (!empty($_GET['user_keyword'])) {
+            $keyword = trim(Database::escape_string($_GET['user_keyword']));
+            $condition_user .=  " AND (
                 user.firstname LIKE '%".$keyword."%' OR
                 user.lastname LIKE '%".$keyword."%'  OR
                 user.username LIKE '%".$keyword."%'  OR
                 user.email LIKE '%".$keyword."%'
              ) ";
-    	}
+        }
 
         $url_table = null;
         $url_condition = null;
-    	if (api_is_multiple_url_enabled()) {
-    		$url_table = ", ".$tbl_url_rel_user." as url_users";
-    		$url_condition = " AND user.user_id = url_users.user_id AND access_url_id='$access_url_id'";
-    	}
+        if (api_is_multiple_url_enabled()) {
+            $url_table = ", ".$tbl_url_rel_user." as url_users";
+            $url_condition = " AND user.user_id = url_users.user_id AND access_url_id='$access_url_id'";
+        }
 
         $invitedUsersCondition = '';
 
@@ -6235,7 +6235,7 @@ 
             $invitedUsersCondition = " AND user.status != " . INVITEE;
         }
 
-    	$sql = "SELECT  user.user_id as user_id,
+        $sql = "SELECT  user.user_id as user_id,
                     user.official_code  as col0,
                     user.lastname       as col1,
                     user.firstname      as col2,
@@ -6243,17 +6243,17 @@ 
                 FROM $tbl_user as user $url_table
     	        $condition_user $url_condition $invitedUsersCondition";
 
-    	if (!in_array($direction, array('ASC','DESC'))) {
-    		$direction = 'ASC';
-    	}
+        if (!in_array($direction, array('ASC','DESC'))) {
+            $direction = 'ASC';
+        }
 
-    	$column = intval($column);
+        $column = intval($column);
 
-    	$from = intval($from);
-    	$number_of_items = intval($number_of_items);
+        $from = intval($from);
+        $number_of_items = intval($number_of_items);
 
-    	$sql .= " ORDER BY col$column $direction ";
-    	$sql .= " LIMIT $from,$number_of_items";
+        $sql .= " ORDER BY col$column $direction ";
+        $sql .= " LIMIT $from,$number_of_items";
 
         $res = Database::query($sql);
         $users = array();
@@ -6287,7 +6287,7 @@ 
             }
         }
 
-    	while ($user = Database::fetch_array($res, 'ASSOC')) {
+        while ($user = Database::fetch_array($res, 'ASSOC')) {
             $courseInfo = api_get_course_info($course_code);
             $courseId = $courseInfo['real_id'];
 
@@ -6318,10 +6318,10 @@ 
                 $session_id
             );
 
-    		if (empty($avg_student_progress)) {
+            if (empty($avg_student_progress)) {
                 $avg_student_progress = 0;
-    		}
-    		$user['average_progress'] = $avg_student_progress.'%';
+            }
+            $user['average_progress'] = $avg_student_progress.'%';
 
             $total_user_exercise = Tracking::get_exercise_student_progress(
                 $total_exercises,
@@ -6341,11 +6341,11 @@ 
 
             $user['exercise_average_best_attempt'] = $total_user_exercise;
 
-    		if (is_numeric($avg_student_score)) {
-    			$user['student_score']  = $avg_student_score.'%';
-    		} else {
-    			$user['student_score']  = $avg_student_score;
-    		}
+            if (is_numeric($avg_student_score)) {
+                $user['student_score']  = $avg_student_score.'%';
+            } else {
+                $user['student_score']  = $avg_student_score;
+            }
 
             $user['count_assignments'] = Tracking::count_student_assignments(
                 $user['user_id'],
@@ -6368,26 +6368,26 @@ 
                 $session_id
             );
 
-    		// we need to display an additional profile field
-    		$user['additional'] = '';
+            // we need to display an additional profile field
+            $user['additional'] = '';
 
-    		if (isset($_GET['additional_profile_field']) && is_numeric($_GET['additional_profile_field'])) {
-    			if (isset($additional_user_profile_info[$user['user_id']]) &&
+            if (isset($_GET['additional_profile_field']) && is_numeric($_GET['additional_profile_field'])) {
+                if (isset($additional_user_profile_info[$user['user_id']]) &&
                     is_array($additional_user_profile_info[$user['user_id']])
                 ) {
-    				$user['additional'] = implode(', ', $additional_user_profile_info[$user['user_id']]);
-    			}
-    		}
+                    $user['additional'] = implode(', ', $additional_user_profile_info[$user['user_id']]);
+                }
+            }
 
             if (empty($session_id)) {
                 $user['survey'] = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0) .' / '.$total_surveys;
             }
 
-    		$user['link'] = '<center><a href="../mySpace/myStudents.php?student='.$user['user_id'].'&details=true&course='.$course_code.'&origin=tracking_course&id_session='.$session_id.'"><img src="'.api_get_path(WEB_IMG_PATH).'icons/22/2rightarrow.png" border="0" /></a></center>';
+            $user['link'] = '<center><a href="../mySpace/myStudents.php?student='.$user['user_id'].'&details=true&course='.$course_code.'&origin=tracking_course&id_session='.$session_id.'"><img src="'.api_get_path(WEB_IMG_PATH).'icons/22/2rightarrow.png" border="0" /></a></center>';
 
-    		// store columns in array $users
+            // store columns in array $users
 
-    		$is_western_name_order = api_is_western_name_order();
+            $is_western_name_order = api_is_western_name_order();
             $user_row = array();
 
             $user_row[]= $user['official_code']; //0
@@ -6422,21 +6422,21 @@ 
 
             $users[] = $user_row;
 
-    		if ($export_csv) {
-    		    if (empty($session_id)) {
+            if ($export_csv) {
+                if (empty($session_id)) {
                     $user_row = array_map('strip_tags', $user_row);
-    			    unset($user_row[14]);
-    			    unset($user_row[15]);
+                    unset($user_row[14]);
+                    unset($user_row[15]);
                 } else {
                     $user_row = array_map('strip_tags', $user_row);
                     unset($user_row[13]);
                     unset($user_row[14]);
                 }
 
-    			$csv_content[] = $user_row;
-    		}
-    	}
-    	return $users;
+                $csv_content[] = $user_row;
+            }
+        }
+        return $users;
     }
 }
 
@@ -6454,18 +6454,18 @@ 
      */
     public function display_login_tracking_info($view, $user_id, $course_id, $session_id = 0)
     {
-    	$MonthsLong = $GLOBALS['MonthsLong'];
-
-    	// protected data
-    	$user_id = intval($user_id);
-    	$session_id = intval($session_id);
-    	$course_id = Database::escape_string($course_id);
-
-    	$track_access_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
-    	$tempView = $view;
-    	if(substr($view,0,1) == '1') {
-    		$new_view = substr_replace($view,'0',0,1);
-    		echo "
+        $MonthsLong = $GLOBALS['MonthsLong'];
+
+        // protected data
+        $user_id = intval($user_id);
+        $session_id = intval($session_id);
+        $course_id = Database::escape_string($course_id);
+
+        $track_access_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
+        $tempView = $view;
+        if(substr($view,0,1) == '1') {
+            $new_view = substr_replace($view,'0',0,1);
+            echo "
                 <tr>
                     <td valign='top'>
                     <font color='#0000FF'>-&nbsp;&nbsp;&nbsp;</font>" .
@@ -6473,9 +6473,9 @@ 
                     </td>
                 </tr>
                 ";
-    		echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('LoginsDetails')."<br>";
+            echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('LoginsDetails')."<br>";
 
-    		$sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)
+            $sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)
                         FROM $track_access_table
                         WHERE access_user_id = $user_id
                         AND c_id = $course_id
@@ -6483,11 +6483,11 @@ 
                         GROUP BY YEAR(access_date),MONTH(access_date)
                         ORDER BY YEAR(access_date),MONTH(access_date) ASC";
 
-    		echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
-    		$results = getManyResults3Col($sql);
+            echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
+            $results = getManyResults3Col($sql);
 
-    		echo "<table cellpadding='2' cellspacing='1' border='0' align=center>";
-    		echo "<tr>
+            echo "<table cellpadding='2' cellspacing='1' border='0' align=center>";
+            echo "<tr>
                     <td class='secLine'>
                     ".get_lang('LoginsTitleMonthColumn')."
                     </td>
@@ -6495,36 +6495,36 @@ 
                     ".get_lang('LoginsTitleCountColumn')."
                     </td>
                 </tr>";
-    		$total = 0;
-    		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
-    				echo "<tr>";
-    				echo "<td class='content'><a href='logins_details.php?uInfo=".$user_id."&reqdate=".$results[$j][0]."&view=".Security::remove_XSS($view)."'>".$MonthsLong[date('n', $results[$j][0])-1].' '.date('Y', $results[$j][0])."</a></td>";
-    				echo "<td valign='top' align='right' class='content'>".$results[$j][1]."</td>";
-    				echo"</tr>";
-    				$total = $total + $results[$j][1];
-    			}
-    			echo "<tr>";
-    			echo "<td>".get_lang('Total')."</td>";
-    			echo "<td align='right' class='content'>".$total."</td>";
-    			echo"</tr>";
-    		} else {
-    			echo "<tr>";
-    			echo "<td colspan='2'><center>".get_lang('NoResult')."</center></td>";
-    			echo"</tr>";
-    		}
-    		echo "</table>";
-    		echo "</td></tr>";
-    	} else {
-    		$new_view = substr_replace($view,'1',0,1);
-    		echo "
+            $total = 0;
+            if (is_array($results)) {
+                for($j = 0 ; $j < count($results) ; $j++) {
+                    echo "<tr>";
+                    echo "<td class='content'><a href='logins_details.php?uInfo=".$user_id."&reqdate=".$results[$j][0]."&view=".Security::remove_XSS($view)."'>".$MonthsLong[date('n', $results[$j][0])-1].' '.date('Y', $results[$j][0])."</a></td>";
+                    echo "<td valign='top' align='right' class='content'>".$results[$j][1]."</td>";
+                    echo"</tr>";
+                    $total = $total + $results[$j][1];
+                }
+                echo "<tr>";
+                echo "<td>".get_lang('Total')."</td>";
+                echo "<td align='right' class='content'>".$total."</td>";
+                echo"</tr>";
+            } else {
+                echo "<tr>";
+                echo "<td colspan='2'><center>".get_lang('NoResult')."</center></td>";
+                echo"</tr>";
+            }
+            echo "</table>";
+            echo "</td></tr>";
+        } else {
+            $new_view = substr_replace($view,'1',0,1);
+            echo "
                 <tr>
                     <td valign='top'>
                     +<font color='#0000FF'>&nbsp;&nbsp;</font><a href='".api_get_self()."?uInfo=".$user_id."&view=".Security::remove_XSS($new_view)."' class='specialLink'>".get_lang('LoginsAndAccessTools')."</a>
                     </td>
                 </tr>
             ";
-    	}
+        }
     }
 
     /**
@@ -6537,38 +6537,38 @@ 
      */
     public function display_exercise_tracking_info($view, $user_id, $courseCode)
     {
-    	global $TBL_TRACK_HOTPOTATOES, $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $dateTimeFormatLong;
+        global $TBL_TRACK_HOTPOTATOES, $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $dateTimeFormatLong;
         $courseId = api_get_course_int_id($courseCode);
-    	if(substr($view,1,1) == '1') {
-    		$new_view = substr_replace($view,'0',1,1);
-    		echo "<tr>
+        if(substr($view,1,1) == '1') {
+            $new_view = substr_replace($view,'0',1,1);
+            echo "<tr>
                     <td valign='top'>
                         <font color='#0000FF'>-&nbsp;&nbsp;&nbsp;</font><b>".get_lang('ExercicesResults')."</b>&nbsp;&nbsp;&nbsp;[<a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."'>".get_lang('Close')."</a>]&nbsp;&nbsp;&nbsp;[<a href='userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET['uInfo'])."&view=01000'>".get_lang('ExportAsCSV')."</a>]
                     </td>
                 </tr>";
-    		echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('ExercicesDetails')."<br />";
+            echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('ExercicesDetails')."<br />";
 
-    		$sql = "SELECT ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
+            $sql = "SELECT ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
                     FROM $TABLECOURSE_EXERCICES AS ce , $TABLETRACK_EXERCICES AS te
                     WHERE te.c_id = $courseId
                         AND te.exe_user_id = ".intval($user_id)."
                         AND te.exe_exo_id = ce.id
                     ORDER BY ce.title ASC, te.exe_date ASC";
 
-    		$hpsql = "SELECT te.exe_name, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
+            $hpsql = "SELECT te.exe_name, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
                         FROM $TBL_TRACK_HOTPOTATOES AS te
                         WHERE te.exe_user_id = '".intval($user_id)."' AND te.c_id = $courseId
                         ORDER BY te.c_id ASC, te.exe_date ASC";
 
-    		$hpresults = StatsUtils::getManyResultsXCol($hpsql, 4);
+            $hpresults = StatsUtils::getManyResultsXCol($hpsql, 4);
 
-    		$NoTestRes = 0;
-    		$NoHPTestRes = 0;
+            $NoTestRes = 0;
+            $NoHPTestRes = 0;
 
-    		echo "<tr>\n<td style='padding-left : 40px;padding-right : 40px;'>\n";
-    		$results = StatsUtils::getManyResultsXCol($sql, 4);
-    		echo "<table cellpadding='2' cellspacing='1' border='0' align='center'>\n";
-    		echo "
+            echo "<tr>\n<td style='padding-left : 40px;padding-right : 40px;'>\n";
+            $results = StatsUtils::getManyResultsXCol($sql, 4);
+            echo "<table cellpadding='2' cellspacing='1' border='0' align='center'>\n";
+            echo "
                 <tr bgcolor='#E6E6E6'>
                     <td>
                     ".get_lang('ExercicesTitleExerciceColumn')."
@@ -6581,28 +6581,28 @@ 
                     </td>
                 </tr>";
 
-    		if (is_array($results)) {
-    			for($i = 0; $i < sizeof($results); $i++) {
-    				$display_date = api_convert_and_format_date($results[$i][3], null, date_default_timezone_get());
-    				echo "<tr>\n";
-    				echo "<td class='content'>".$results[$i][0]."</td>\n";
-    				echo "<td class='content'>".$display_date."</td>\n";
-    				echo "<td valign='top' align='right' class='content'>".$results[$i][1]." / ".$results[$i][2]."</td>\n";
-    				echo "</tr>\n";
-    			}
-    		} else {
-    			// istvan begin
-    			$NoTestRes = 1;
-    		}
-
-    		// The Result of Tests
-    		if (is_array($hpresults)) {
-    			for($i = 0; $i < sizeof($hpresults); $i++) {
-    				$title = GetQuizName($hpresults[$i][0],'');
-    				if ($title == '')
-    				$title = basename($hpresults[$i][0]);
-    				$display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
-    				?>
+            if (is_array($results)) {
+                for($i = 0; $i < sizeof($results); $i++) {
+                    $display_date = api_convert_and_format_date($results[$i][3], null, date_default_timezone_get());
+                    echo "<tr>\n";
+                    echo "<td class='content'>".$results[$i][0]."</td>\n";
+                    echo "<td class='content'>".$display_date."</td>\n";
+                    echo "<td valign='top' align='right' class='content'>".$results[$i][1]." / ".$results[$i][2]."</td>\n";
+                    echo "</tr>\n";
+                }
+            } else {
+                // istvan begin
+                $NoTestRes = 1;
+            }
+
+            // The Result of Tests
+            if (is_array($hpresults)) {
+                for($i = 0; $i < sizeof($hpresults); $i++) {
+                    $title = GetQuizName($hpresults[$i][0],'');
+                    if ($title == '')
+                    $title = basename($hpresults[$i][0]);
+                    $display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
+                    ?>
                     <tr>
                         <td class="content"><?php echo $title; ?></td>
                         <td class="content" align="center"><?php echo $display_date; ?></td>
@@ -6612,26 +6612,26 @@ 
 
                     <?php
                 }
-    		} else {
-    			$NoHPTestRes = 1;
-    		}
-
-    		if ($NoTestRes == 1 && $NoHPTestRes == 1) {
-    			echo "<tr>\n";
-    			echo "<td colspan='3'><center>".get_lang('NoResult')."</center></td>\n";
-    			echo "</tr>\n";
-    		}
-    		echo "</table>";
-    		echo "</td>\n</tr>\n";
-    	} else {
-    		$new_view = substr_replace($view,'1',1,1);
-    		echo "
+            } else {
+                $NoHPTestRes = 1;
+            }
+
+            if ($NoTestRes == 1 && $NoHPTestRes == 1) {
+                echo "<tr>\n";
+                echo "<td colspan='3'><center>".get_lang('NoResult')."</center></td>\n";
+                echo "</tr>\n";
+            }
+            echo "</table>";
+            echo "</td>\n</tr>\n";
+        } else {
+            $new_view = substr_replace($view,'1',1,1);
+            echo "
                 <tr>
                     <td valign='top'>
                         +<font color='#0000FF'>&nbsp;&nbsp;</font><a href='".api_get_self()."?uInfo=$user_id&view=".$new_view."' class='specialLink'>".get_lang('ExercicesResults')."</a>
                     </td>
                 </tr>";
-    	}
+        }
     }
 
     /**
@@ -6640,27 +6640,27 @@ 
      */
     public function display_student_publications_tracking_info($view, $user_id, $course_id)
     {
-    	global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK;
+        global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK;
         $_course = api_get_course_info_by_id($course_id);
 
-    	if (substr($view,2,1) == '1') {
-    		$new_view = substr_replace($view,'0',2,1);
-    		echo "<tr>
+        if (substr($view,2,1) == '1') {
+            $new_view = substr_replace($view,'0',2,1);
+            echo "<tr>
                     <td valign='top'>
                     <font color='#0000FF'>-&nbsp;&nbsp;&nbsp;</font><b>".get_lang('WorkUploads')."</b>&nbsp;&nbsp;&nbsp;[<a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."'>".get_lang('Close')."</a>]&nbsp;&nbsp;&nbsp;[<a href='userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET['uInfo'])."&view=00100'>".get_lang('ExportAsCSV')."</a>]
                     </td>
                 </tr>";
-    		echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('WorksDetails')."<br>";
-    		$sql = "SELECT u.upload_date, w.title, w.author,w.url
+            echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('WorksDetails')."<br>";
+            $sql = "SELECT u.upload_date, w.title, w.author,w.url
                     FROM $TABLETRACK_UPLOADS u , $TABLECOURSE_WORK w
                     WHERE u.upload_work_id = w.id
                         AND u.upload_user_id = '".intval($user_id)."'
                         AND u.c_id = '".intval($course_id)."'
                     ORDER BY u.upload_date DESC";
-    		echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
-    		$results = StatsUtils::getManyResultsXCol($sql,4);
-    		echo "<table cellpadding='2' cellspacing='1' border='0' align=center>";
-    		echo "<tr>
+            echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
+            $results = StatsUtils::getManyResultsXCol($sql,4);
+            echo "<table cellpadding='2' cellspacing='1' border='0' align=center>";
+            echo "<tr>
                     <td class='secLine' width='40%'>
                     ".get_lang('WorkTitle')."
                     </td>
@@ -6671,35 +6671,35 @@ 
                     ".get_lang('Date')."
                     </td>
                 </tr>";
-    		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
-    				$pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
-    				$beautifulDate = api_convert_and_format_date($results[$j][0], null, date_default_timezone_get());
-    				echo "<tr>";
-    				echo "<td class='content'>"
-    				."<a href ='".$pathToFile."'>".$results[$j][1]."</a>"
-    				."</td>";
-    				echo "<td class='content'>".$results[$j][2]."</td>";
-    				echo "<td class='content'>".$beautifulDate."</td>";
-    				echo"</tr>";
-    			}
-    		} else {
-    			echo "<tr>";
-    			echo "<td colspan='3'><center>".get_lang('NoResult')."</center></td>";
-    			echo"</tr>";
-    		}
-    		echo "</table>";
-    		echo "</td></tr>";
-    	} else {
-    		$new_view = substr_replace($view,'1',2,1);
-    		echo "
+            if (is_array($results)) {
+                for($j = 0 ; $j < count($results) ; $j++) {
+                    $pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
+                    $beautifulDate = api_convert_and_format_date($results[$j][0], null, date_default_timezone_get());
+                    echo "<tr>";
+                    echo "<td class='content'>"
+                    ."<a href ='".$pathToFile."'>".$results[$j][1]."</a>"
+                    ."</td>";
+                    echo "<td class='content'>".$results[$j][2]."</td>";
+                    echo "<td class='content'>".$beautifulDate."</td>";
+                    echo"</tr>";
+                }
+            } else {
+                echo "<tr>";
+                echo "<td colspan='3'><center>".get_lang('NoResult')."</center></td>";
+                echo"</tr>";
+            }
+            echo "</table>";
+            echo "</td></tr>";
+        } else {
+            $new_view = substr_replace($view,'1',2,1);
+            echo "
                 <tr>
                     <td valign='top'>
                     +<font color='#0000FF'>&nbsp;&nbsp;</font><a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' class='specialLink'>".get_lang('WorkUploads')."</a>
                     </td>
                 </tr>
             ";
-    	}
+        }
     }
 
     /**
@@ -6708,55 +6708,55 @@ 
      */
     public function display_links_tracking_info($view, $user_id, $courseCode)
     {
-    	global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
+        global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
         $courseId = api_get_course_int_id($courseCode);
-    	if (substr($view,3,1) == '1') {
-    		$new_view = substr_replace($view,'0',3,1);
-    		echo "
+        if (substr($view,3,1) == '1') {
+            $new_view = substr_replace($view,'0',3,1);
+            echo "
                 <tr>
                         <td valign='top'>
                         <font color='#0000FF'>-&nbsp;&nbsp;&nbsp;</font><b>".get_lang('LinksAccess')."</b>&nbsp;&nbsp;&nbsp;[<a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."'>".get_lang('Close')."</a>]&nbsp;&nbsp;&nbsp;[<a href='userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET['uInfo'])."&view=00010'>".get_lang('ExportAsCSV')."</a>]
                         </td>
                 </tr>
             ";
-    		echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('LinksDetails')."<br>";
-    		$sql = "SELECT cl.title, cl.url
+            echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('LinksDetails')."<br>";
+            $sql = "SELECT cl.title, cl.url
                     FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
                     WHERE sl.links_link_id = cl.id
                         AND sl.c_id = $courseId
                         AND sl.links_user_id = ".intval($user_id)."
                     GROUP BY cl.title, cl.url";
-    		echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
-    		$results = StatsUtils::getManyResults2Col($sql);
-    		echo "<table cellpadding='2' cellspacing='1' border='0' align=center>";
-    		echo "<tr>
+            echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
+            $results = StatsUtils::getManyResults2Col($sql);
+            echo "<table cellpadding='2' cellspacing='1' border='0' align=center>";
+            echo "<tr>
                     <td class='secLine'>
                     ".get_lang('LinksTitleLinkColumn')."
                     </td>
                 </tr>";
-    		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
-    				echo "<tr>";
-    				echo "<td class='content'><a href='".$results[$j][1]."'>".$results[$j][0]."</a></td>";
-    				echo"</tr>";
-    			}
-    		} else {
-    			echo "<tr>";
-    			echo "<td ><center>".get_lang('NoResult')."</center></td>";
-    			echo"</tr>";
-    		}
-    		echo "</table>";
-    		echo "</td></tr>";
-    	} else {
-    		$new_view = substr_replace($view,'1',3,1);
-    		echo "
+            if (is_array($results)) {
+                for($j = 0 ; $j < count($results) ; $j++) {
+                    echo "<tr>";
+                    echo "<td class='content'><a href='".$results[$j][1]."'>".$results[$j][0]."</a></td>";
+                    echo"</tr>";
+                }
+            } else {
+                echo "<tr>";
+                echo "<td ><center>".get_lang('NoResult')."</center></td>";
+                echo"</tr>";
+            }
+            echo "</table>";
+            echo "</td></tr>";
+        } else {
+            $new_view = substr_replace($view,'1',3,1);
+            echo "
                 <tr>
                     <td valign='top'>
                     +<font color='#0000FF'>&nbsp;&nbsp;</font><a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' class='specialLink'>".get_lang('LinksAccess')."</a>
                     </td>
                 </tr>
             ";
-    	}
+        }
     }
 
     /**
@@ -6769,61 +6769,61 @@ 
      */
     public static function display_document_tracking_info($view, $user_id, $course_code, $session_id = 0)
     {
-    	// protect data
+        // protect data
         $user_id = intval($user_id);
         $courseId = api_get_course_int_id($course_code);
-    	$session_id = intval($session_id);
+        $session_id = intval($session_id);
 
-    	$downloads_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
-    	if(substr($view,4,1) == '1') {
-    		$new_view = substr_replace($view,'0',4,1);
-    		echo "
+        $downloads_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
+        if(substr($view,4,1) == '1') {
+            $new_view = substr_replace($view,'0',4,1);
+            echo "
                 <tr>
                     <td valign='top'>
                     <font color='#0000FF'>-&nbsp;&nbsp;&nbsp;</font><b>".get_lang('DocumentsAccess')."</b>&nbsp;&nbsp;&nbsp;[<a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."'>".get_lang('Close')."</a>]&nbsp;&nbsp;&nbsp;[<a href='userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET['uInfo'])."&view=00001'>".get_lang('ExportAsCSV')."</a>]
                     </td>
                 </tr>
             ";
-    		echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('DocumentsDetails')."<br>";
+            echo "<tr><td style='padding-left : 40px;' valign='top'>".get_lang('DocumentsDetails')."<br>";
 
-    		$sql = "SELECT down_doc_path
+            $sql = "SELECT down_doc_path
                     FROM $downloads_table
                     WHERE c_id = $courseId
                         AND down_user_id = $user_id
                         AND down_session_id = $session_id
                     GROUP BY down_doc_path";
 
-    		echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
-    		$results = StatsUtils::getManyResults1Col($sql);
-    		echo "<table cellpadding='2' cellspacing='1' border='0' align='center'>";
-    		echo "<tr>
+            echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
+            $results = StatsUtils::getManyResults1Col($sql);
+            echo "<table cellpadding='2' cellspacing='1' border='0' align='center'>";
+            echo "<tr>
                     <td class='secLine'>
                     ".get_lang('DocumentsTitleDocumentColumn')."
                     </td>
                 </tr>";
-    		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
-    				echo "<tr>";
-    				echo "<td class='content'>".$results[$j]."</td>";
-    				echo"</tr>";
-    			}
-    		} else {
-    			echo "<tr>";
-    			echo "<td><center>".get_lang('NoResult')."</center></td>";
-    			echo"</tr>";
-    		}
-    		echo "</table>";
-    		echo "</td></tr>";
-    	} else {
-    		$new_view = substr_replace($view,'1',4,1);
-    		echo "
+            if (is_array($results)) {
+                for($j = 0 ; $j < count($results) ; $j++) {
+                    echo "<tr>";
+                    echo "<td class='content'>".$results[$j]."</td>";
+                    echo"</tr>";
+                }
+            } else {
+                echo "<tr>";
+                echo "<td><center>".get_lang('NoResult')."</center></td>";
+                echo"</tr>";
+            }
+            echo "</table>";
+            echo "</td></tr>";
+        } else {
+            $new_view = substr_replace($view,'1',4,1);
+            echo "
                 <tr>
                     <td valign='top'>
                     +<font color='#0000FF'>&nbsp;&nbsp;</font><a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' class='specialLink'>".get_lang('DocumentsAccess')."</a>
                     </td>
                 </tr>
             ";
-    	}
+        }
     }
 
     /**
@@ -6880,43 +6880,43 @@ 
      */
     public function display_login_tracking_info($view, $user_id, $course_id, $session_id = 0)
     {
-    	$MonthsLong = $GLOBALS['MonthsLong'];
-    	$track_access_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
-
-    	// protected data
-    	$user_id    = intval($user_id);
-    	$session_id = intval($session_id);
-    	$course_id  = intval($course_id);
-
-    	$tempView = $view;
-    	if (substr($view,0,1) == '1') {
-    		$new_view = substr_replace($view,'0',0,1);
-    		$title[1]= get_lang('LoginsAndAccessTools').get_lang('LoginsDetails');
-    		$sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)
+        $MonthsLong = $GLOBALS['MonthsLong'];
+        $track_access_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
+
+        // protected data
+        $user_id    = intval($user_id);
+        $session_id = intval($session_id);
+        $course_id  = intval($course_id);
+
+        $tempView = $view;
+        if (substr($view,0,1) == '1') {
+            $new_view = substr_replace($view,'0',0,1);
+            $title[1]= get_lang('LoginsAndAccessTools').get_lang('LoginsDetails');
+            $sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)
                     FROM $track_access_table
                     WHERE access_user_id = $user_id
                     AND c_id = $course_id
                     AND access_session_id = $session_id
                     GROUP BY YEAR(access_date),MONTH(access_date)
                     ORDER BY YEAR(access_date),MONTH(access_date) ASC";
-    		//$results = getManyResults2Col($sql);
-    		$results = getManyResults3Col($sql);
-    		$title_line= get_lang('LoginsTitleMonthColumn').';'.get_lang('LoginsTitleCountColumn')."\n";
-    		$line='';
-    		$total = 0;
-    		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
-    				$line .= $results[$j][0].';'.$results[$j][1]."\n";
-    				$total = $total + $results[$j][1];
-    			}
-    			$line .= get_lang('Total').";".$total."\n";
-    		} else {
-    			$line= get_lang('NoResult')."</center></td>";
-    		}
-    	} else {
-    		$new_view = substr_replace($view,'1',0,1);
-    	}
-    	return array($title_line, $line);
+            //$results = getManyResults2Col($sql);
+            $results = getManyResults3Col($sql);
+            $title_line= get_lang('LoginsTitleMonthColumn').';'.get_lang('LoginsTitleCountColumn')."\n";
+            $line='';
+            $total = 0;
+            if (is_array($results)) {
+                for($j = 0 ; $j < count($results) ; $j++) {
+                    $line .= $results[$j][0].';'.$results[$j][1]."\n";
+                    $total = $total + $results[$j][1];
+                }
+                $line .= get_lang('Total').";".$total."\n";
+            } else {
+                $line= get_lang('NoResult')."</center></td>";
+            }
+        } else {
+            $new_view = substr_replace($view,'1',0,1);
+        }
+        return array($title_line, $line);
     }
 
     /**
@@ -6929,67 +6929,67 @@ 
      */
     public function display_exercise_tracking_info($view, $userId, $courseCode)
     {
-    	global $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $TABLETRACK_HOTPOTATOES, $dateTimeFormatLong;
+        global $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $TABLETRACK_HOTPOTATOES, $dateTimeFormatLong;
         $courseId = api_get_course_int_id($courseCode);
         $userId = intval($userId);
-    	if (substr($view,1,1) == '1') {
-    		$new_view = substr_replace($view,'0',1,1);
-    		$title[1] = get_lang('ExercicesDetails');
-    		$line = '';
-    		$sql = "SELECT ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
+        if (substr($view,1,1) == '1') {
+            $new_view = substr_replace($view,'0',1,1);
+            $title[1] = get_lang('ExercicesDetails');
+            $line = '';
+            $sql = "SELECT ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
                     FROM $TABLECOURSE_EXERCICES AS ce , $TABLETRACK_EXERCICES AS te
                     WHERE te.c_id = $courseId
                         AND te.exe_user_id = $userId
                         AND te.exe_exo_id = ce.id
                     ORDER BY ce.title ASC, te.exe_date ASC";
 
-    		$hpsql = "SELECT te.exe_name, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
+            $hpsql = "SELECT te.exe_name, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
                         FROM $TABLETRACK_HOTPOTATOES AS te
                         WHERE te.exe_user_id = '$userId' AND te.c_id = $courseId
                         ORDER BY te.c_id ASC, te.exe_date ASC";
 
-    		$hpresults = StatsUtils::getManyResultsXCol($hpsql, 4);
+            $hpresults = StatsUtils::getManyResultsXCol($hpsql, 4);
 
-    		$NoTestRes = 0;
-    		$NoHPTestRes = 0;
+            $NoTestRes = 0;
+            $NoHPTestRes = 0;
 
-    		$results = StatsUtils::getManyResultsXCol($sql, 4);
-    		$title_line = get_lang('ExercicesTitleExerciceColumn').";".get_lang('Date').';'.get_lang('ExercicesTitleScoreColumn')."\n";
+            $results = StatsUtils::getManyResultsXCol($sql, 4);
+            $title_line = get_lang('ExercicesTitleExerciceColumn').";".get_lang('Date').';'.get_lang('ExercicesTitleScoreColumn')."\n";
 
-    		if (is_array($results)) {
-    			for($i = 0; $i < sizeof($results); $i++)
-    			{
-    				$display_date = api_convert_and_format_date($results[$i][3], null, date_default_timezone_get());
-    				$line .= $results[$i][0].";".$display_date.";".$results[$i][1]." / ".$results[$i][2]."\n";
-    			}
-    		} else {
+            if (is_array($results)) {
+                for($i = 0; $i < sizeof($results); $i++)
+                {
+                    $display_date = api_convert_and_format_date($results[$i][3], null, date_default_timezone_get());
+                    $line .= $results[$i][0].";".$display_date.";".$results[$i][1]." / ".$results[$i][2]."\n";
+                }
+            } else {
                 // istvan begin
-    			$NoTestRes = 1;
-    		}
-
-    		// The Result of Tests
-    		if (is_array($hpresults)) {
-    			for($i = 0; $i < sizeof($hpresults); $i++) {
-    				$title = GetQuizName($hpresults[$i][0],'');
-
-    				if ($title == '')
-    				$title = basename($hpresults[$i][0]);
-
-    				$display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
-
-    				$line .= $title.';'.$display_date.';'.$hpresults[$i][1].'/'.$hpresults[$i][2]."\n";
-    			}
-    		} else {
-    			$NoHPTestRes = 1;
-    		}
-
-    		if ($NoTestRes == 1 && $NoHPTestRes == 1) {
-    			$line=get_lang('NoResult');
-    		}
-    	} else {
-    		$new_view = substr_replace($view,'1',1,1);
-    	}
-    	return array($title_line, $line);
+                $NoTestRes = 1;
+            }
+
+            // The Result of Tests
+            if (is_array($hpresults)) {
+                for($i = 0; $i < sizeof($hpresults); $i++) {
+                    $title = GetQuizName($hpresults[$i][0],'');
+
+                    if ($title == '')
+                    $title = basename($hpresults[$i][0]);
+
+                    $display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
+
+                    $line .= $title.';'.$display_date.';'.$hpresults[$i][1].'/'.$hpresults[$i][2]."\n";
+                }
+            } else {
+                $NoHPTestRes = 1;
+            }
+
+            if ($NoTestRes == 1 && $NoHPTestRes == 1) {
+                $line=get_lang('NoResult');
+            }
+        } else {
+            $new_view = substr_replace($view,'1',1,1);
+        }
+        return array($title_line, $line);
     }
 
     /**
@@ -6998,37 +6998,37 @@ 
      */
     public function display_student_publications_tracking_info($view, $user_id, $course_id)
     {
-    	global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK;
+        global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK;
         $_course = api_get_course_info();
         $user_id = intval($user_id);
         $course_id = intval($course_id);
 
-    	if (substr($view,2,1) == '1') {
-    		$sql = "SELECT u.upload_date, w.title, w.author, w.url
+        if (substr($view,2,1) == '1') {
+            $sql = "SELECT u.upload_date, w.title, w.author, w.url
                     FROM $TABLETRACK_UPLOADS u , $TABLECOURSE_WORK w
                     WHERE
                         u.upload_work_id = w.id AND
                         u.upload_user_id = '$user_id' AND
                         u.c_id = '$course_id'
                     ORDER BY u.upload_date DESC";
-    		$results = StatsUtils::getManyResultsXCol($sql,4);
-
-    		$title[1]=get_lang('WorksDetails');
-    		$line='';
-    		$title_line=get_lang('WorkTitle').";".get_lang('WorkAuthors').";".get_lang('Date')."\n";
-
-    		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
-    				$pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
-    				$beautifulDate = api_convert_and_format_date($results[$j][0], null, date_default_timezone_get());
-    				$line .= $results[$j][1].";".$results[$j][2].";".$beautifulDate."\n";
-    			}
-
-    		} else {
-    			$line= get_lang('NoResult');
-    		}
-    	}
-    	return array($title_line, $line);
+            $results = StatsUtils::getManyResultsXCol($sql,4);
+
+            $title[1]=get_lang('WorksDetails');
+            $line='';
+            $title_line=get_lang('WorkTitle').";".get_lang('WorkAuthors').";".get_lang('Date')."\n";
+
+            if (is_array($results)) {
+                for($j = 0 ; $j < count($results) ; $j++) {
+                    $pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
+                    $beautifulDate = api_convert_and_format_date($results[$j][0], null, date_default_timezone_get());
+                    $line .= $results[$j][1].";".$results[$j][2].";".$beautifulDate."\n";
+                }
+
+            } else {
+                $line= get_lang('NoResult');
+            }
+        }
+        return array($title_line, $line);
     }
 
     /**
@@ -7037,32 +7037,32 @@ 
      */
     public function display_links_tracking_info($view, $userId, $courseCode)
     {
-    	global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
+        global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
         $courseId = api_get_course_int_id($courseCode);
         $userId = intval($userId);
         $line = null;
-    	if (substr($view,3,1) == '1') {
-    		$new_view = substr_replace($view,'0',3,1);
-    		$title[1]=get_lang('LinksDetails');
-    		$sql = "SELECT cl.title, cl.url
+        if (substr($view,3,1) == '1') {
+            $new_view = substr_replace($view,'0',3,1);
+            $title[1]=get_lang('LinksDetails');
+            $sql = "SELECT cl.title, cl.url
                         FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
                         WHERE sl.links_link_id = cl.id
                             AND sl.c_id = $courseId
                             AND sl.links_user_id = $userId
                         GROUP BY cl.title, cl.url";
-    		$results = StatsUtils::getManyResults2Col($sql);
-    		$title_line= get_lang('LinksTitleLinkColumn')."\n";
-    		if (is_array($results)) {
-    			for ($j = 0 ; $j < count($results) ; $j++) {
-    				$line .= $results[$j][0]."\n";
-    			}
-    		} else {
-    			$line=get_lang('NoResult');
-    		}
-    	} else {
-    		$new_view = substr_replace($view,'1',3,1);
-    	}
-    	return array($title_line, $line);
+            $results = StatsUtils::getManyResults2Col($sql);
+            $title_line= get_lang('LinksTitleLinkColumn')."\n";
+            if (is_array($results)) {
+                for ($j = 0 ; $j < count($results) ; $j++) {
+                    $line .= $results[$j][0]."\n";
+                }
+            } else {
+                $line=get_lang('NoResult');
+            }
+        } else {
+            $new_view = substr_replace($view,'1',3,1);
+        }
+        return array($title_line, $line);
     }
 
     /**
@@ -7075,38 +7075,38 @@ 
      */
     public function display_document_tracking_info($view, $user_id, $courseCode, $session_id = 0)
     {
-    	// protect data
-    	$user_id     = intval($user_id);
+        // protect data
+        $user_id     = intval($user_id);
         $courseId = api_get_course_int_id($courseCode);
-    	$session_id = intval($session_id);
+        $session_id = intval($session_id);
 
-    	$downloads_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
+        $downloads_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
 
-    	if (substr($view,4,1) == '1') {
-    		$new_view = substr_replace($view,'0',4,1);
-    		$title[1]= get_lang('DocumentsDetails');
+        if (substr($view,4,1) == '1') {
+            $new_view = substr_replace($view,'0',4,1);
+            $title[1]= get_lang('DocumentsDetails');
 
-    		$sql = "SELECT down_doc_path
+            $sql = "SELECT down_doc_path
                         FROM $downloads_table
                         WHERE c_id = $courseId
                             AND down_user_id = $user_id
                             AND down_session_id = $session_id
                         GROUP BY down_doc_path";
 
-    		$results = StatsUtils::getManyResults1Col($sql);
-    		$title_line = get_lang('DocumentsTitleDocumentColumn')."\n";
+            $results = StatsUtils::getManyResults1Col($sql);
+            $title_line = get_lang('DocumentsTitleDocumentColumn')."\n";
             $line = null;
-    		if (is_array($results)) {
-    			for ($j = 0 ; $j < count($results) ; $j++) {
-    				$line .= $results[$j]."\n";
-    			}
-    		} else {
-    			$line = get_lang('NoResult');
-    		}
-    	} else {
-    		$new_view = substr_replace($view,'1',4,1);
-    	}
-    	return array($title_line, $line);
+            if (is_array($results)) {
+                for ($j = 0 ; $j < count($results) ; $j++) {
+                    $line .= $results[$j]."\n";
+                }
+            } else {
+                $line = get_lang('NoResult');
+            }
+        } else {
+            $new_view = substr_replace($view,'1',4,1);
+        }
+        return array($title_line, $line);
     }
 
     /**

Spacing +423 added lines, -423 removed lines

@@ -111,7 +111,7 @@ 
         $extendedAttempt = null,
         $extendedAll = null,
         $type = 'classic',
-        $allowExtend =  true
+        $allowExtend = true
     ) {
         if (empty($courseInfo) || empty($lp_id)) {
             return null;
@@ -135,22 +135,22 @@ 
         $extend_all = 0;
 
         if ($origin == 'tracking') {
-            $url_suffix = '&session_id=' . $session_id . '&course=' . $courseCode . '&student_id=' . $user_id . '&lp_id=' . $lp_id . '&origin=' . $origin;
+            $url_suffix = '&session_id='.$session_id.'&course='.$courseCode.'&student_id='.$user_id.'&lp_id='.$lp_id.'&origin='.$origin;
         } else {
-            $url_suffix = '&lp_id=' . $lp_id;
+            $url_suffix = '&lp_id='.$lp_id;
         }
 
         if (!empty($extendedAll)) {
             $extend_all_link = Display::url(
                 Display::return_icon('view_less_stats.gif', get_lang('HideAllAttempts')),
-                api_get_self() . '?action=stats' . $url_suffix
+                api_get_self().'?action=stats'.$url_suffix
             );
 
             $extend_all = 1;
         } else {
             $extend_all_link = Display::url(
                 Display::return_icon('view_more_stats.gif', get_lang('ShowAllAttempts')),
-                api_get_self() . '?action=stats&extend_all=1' . $url_suffix
+                api_get_self().'?action=stats&extend_all=1'.$url_suffix
             );
         }
 
@@ -162,24 +162,24 @@ 
 
         $actionColumn = null;
         if ($type == 'classic') {
-            $actionColumn = ' <th>' . get_lang('Actions') . '</th>';
+            $actionColumn = ' <th>'.get_lang('Actions').'</th>';
         }
         $output .= '<div class="table-responsive">';
         $output .= '<table class="table tracking">
             <thead>
             <tr class="table-header">
-                <th width="16">' . ($allowExtend == true ? $extend_all_link : '&nbsp;') . '</th>
+                <th width="16">' . ($allowExtend == true ? $extend_all_link : '&nbsp;').'</th>
                 <th colspan="4">
-                    ' . get_lang('ScormLessonTitle') .'
+                    ' . get_lang('ScormLessonTitle').'
                 </th>
                 <th colspan="2">
-                    ' . get_lang('ScormStatus') . '
+                    ' . get_lang('ScormStatus').'
                 </th>
                 <th colspan="2">
-                    ' . get_lang('ScormScore') . '
+                    ' . get_lang('ScormScore').'
                 </th>
                 <th colspan="2">
-                    ' . get_lang('ScormTime') . '
+                    ' . get_lang('ScormTime').'
                 </th>
                 '.$actionColumn.'
                 </tr>
@@ -242,7 +242,7 @@ 
                 // Prepare statement to go through each attempt.
                 $viewCondition = null;
                 if (!empty($view)) {
-                    $viewCondition =  " AND v.view_count = $view  ";
+                    $viewCondition = " AND v.view_count = $view  ";
                 }
 
                 $sql = "SELECT
@@ -290,7 +290,7 @@ 
                                 FROM $TBL_QUIZ
                                 WHERE
                                     c_id = $course_id AND
-                                    id ='" . $my_path . "'";
+                                    id ='".$my_path."'";
                         $res_result_disabled = Database::query($sql);
                         $row_result_disabled = Database::fetch_row($res_result_disabled);
 
@@ -312,7 +312,7 @@ 
                     if (!empty($inter_num)) {
                         $extend_link = Display::url(
                               Display::return_icon('visible.gif', get_lang('HideAttemptView')),
-                              api_get_self() . '?action=stats&fold_id=' . $my_item_id . $url_suffix
+                              api_get_self().'?action=stats&fold_id='.$my_item_id.$url_suffix
                         );
                     }
                     $title = $row['mytitle'];
@@ -330,7 +330,7 @@ 
 
                     $action = null;
                     if ($type == 'classic') {
-                        $action =  '<td></td>';
+                        $action = '<td></td>';
                     }
 
                     if (in_array($row['item_type'], $chapterTypes)) {
@@ -374,13 +374,13 @@ 
                                 $extend_this_attempt = 1;
                                 $extend_attempt_link = Display::url(
                                     Display::return_icon('visible.gif', get_lang('HideAttemptView')),
-                                    api_get_self() . '?action=stats&extend_id=' . $my_item_id . '&fold_attempt_id=' . $row['iv_id'] . $url_suffix
+                                    api_get_self().'?action=stats&extend_id='.$my_item_id.'&fold_attempt_id='.$row['iv_id'].$url_suffix
                                 );
                             } else { // Same case if fold_attempt_id is set, so not implemented explicitly.
                                 // The extend button for this attempt has not been clicked.
                                 $extend_attempt_link = Display::url(
                                     Display::return_icon('invisible.gif', get_lang('ExtendAttemptView')),
-                                    api_get_self() . '?action=stats&extend_id=' . $my_item_id . '&extend_attempt_id=' . $row['iv_id'] . $url_suffix
+                                    api_get_self().'?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].$url_suffix
                                 );
                             }
                         }
@@ -413,7 +413,7 @@ 
                         }
 
                         // Remove "NaN" if any (@todo: locate the source of these NaN)
-                        $time = str_replace('NaN', '00' . $h . '00\'00"', $time);
+                        $time = str_replace('NaN', '00'.$h.'00\'00"', $time);
 
                         if ($row['item_type'] != 'dokeos_chapter') {
                             if (!$is_allowed_to_edit && $result_disabled_ext_all) {
@@ -441,13 +441,13 @@ 
                                 $action = '<td></td>';
                             }
 
-                            $output .= '<tr class="' . $oddclass . '">
+                            $output .= '<tr class="'.$oddclass.'">
                                     <td></td>
-                                    <td>' . $extend_attempt_link . '</td>
-                                    <td colspan="3">' . get_lang('Attempt') . ' ' . $attemptCount . '</td>
-                                    <td colspan="2">' . learnpathItem::humanize_status($lesson_status, true, $type) . '</td>
-                                    <td colspan="2">' . $view_score . '</td>
-                                    <td colspan="2">' . $time . '</td>
+                                    <td>' . $extend_attempt_link.'</td>
+                                    <td colspan="3">' . get_lang('Attempt').' '.$attemptCount.'</td>
+                                    <td colspan="2">' . learnpathItem::humanize_status($lesson_status, true, $type).'</td>
+                                    <td colspan="2">' . $view_score.'</td>
+                                    <td colspan="2">' . $time.'</td>
                                     '.$action.'
                                 </tr>';
                             $attemptCount++;
@@ -460,10 +460,10 @@ 
                                     if (!$is_allowed_to_edit && $result_disabled_ext_all) {
                                         $temp[] = '/';
                                     } else {
-                                        $temp[] = ($score == 0 ? '0/' . $maxscore : ($maxscore == 0 ? $score : $score . '/' . float_format($maxscore, 1)));
+                                        $temp[] = ($score == 0 ? '0/'.$maxscore : ($maxscore == 0 ? $score : $score.'/'.float_format($maxscore, 1)));
                                     }
                                 } else {
-                                    $temp[] = ($score == 0 ? '/' : ($maxscore == 0 ? $score : $score . '/' . float_format($maxscore, 1)));
+                                    $temp[] = ($score == 0 ? '/' : ($maxscore == 0 ? $score : $score.'/'.float_format($maxscore, 1)));
                                 }
                                 $temp[] = $time;
                                 $csv_content[] = $temp;
@@ -500,13 +500,13 @@ 
                                         <td></td>
                                         <td></td>
                                         <td></td>
-                                        <td>'.$interaction['order_id'] . '</td>
-                                        <td>'.$interaction['id'] . '</td>
+                                        <td>'.$interaction['order_id'].'</td>
+                                        <td>'.$interaction['id'].'</td>
                                         <td colspan="2">' . $interaction['type'].'</td>
-                                        <td>'.$student_response . '</td>
-                                        <td>'.$interaction['result'] . '</td>
-                                        <td>'.$interaction['latency'] . '</td>
-                                        <td>'.$interaction['time'] . '</td>
+                                        <td>'.$student_response.'</td>
+                                        <td>'.$interaction['result'].'</td>
+                                        <td>'.$interaction['latency'].'</td>
+                                        <td>'.$interaction['time'].'</td>
                                         '.$action.'
                                     </tr>';
                                 $counter++;
@@ -523,12 +523,12 @@ 
                                         <td></td>
                                         <td></td>
                                         <td></td>
-                                        <td>' . $interaction['order_id'] . '</td>
-                                        <td colspan="2">' . $interaction['objective_id'] . '</td>
-                                        <td colspan="2">' . $interaction['status'] .'</td>
-                                        <td>' . $interaction['score_raw'] . '</td>
-                                        <td>' . $interaction['score_max'] . '</td>
-                                        <td>' . $interaction['score_min'] . '</td>
+                                        <td>' . $interaction['order_id'].'</td>
+                                        <td colspan="2">' . $interaction['objective_id'].'</td>
+                                        <td colspan="2">' . $interaction['status'].'</td>
+                                        <td>' . $interaction['score_raw'].'</td>
+                                        <td>' . $interaction['score_max'].'</td>
+                                        <td>' . $interaction['score_min'].'</td>
                                         '.$action.'
                                      </tr>';
                                 $counter++;
@@ -551,7 +551,7 @@ 
                         $my_path = Database::escape_string($my_path);
                         $sql = "SELECT results_disabled
                                 FROM $TBL_QUIZ
-                                WHERE c_id = $course_id AND id ='" . $my_path . "'";
+                                WHERE c_id = $course_id AND id ='".$my_path."'";
                         $res_result_disabled = Database::query($sql);
                         $row_result_disabled = Database::fetch_row($res_result_disabled);
 
@@ -575,14 +575,14 @@ 
                             $extend_this_attempt = 1;
                             $extend_attempt_link = Display::url(
                                 Display::return_icon('visible.gif', get_lang('HideAttemptView')),
-                                api_get_self() . '?action=stats&extend_id=' . $my_item_id . '&fold_attempt_id=' . $row['iv_id'] . $url_suffix
+                                api_get_self().'?action=stats&extend_id='.$my_item_id.'&fold_attempt_id='.$row['iv_id'].$url_suffix
                             );
                         } else {
                             // Same case if fold_attempt_id is set, so not implemented explicitly.
                             // The extend button for this attempt has not been clicked.
                             $extend_attempt_link = Display::url(
                                 Display::return_icon('invisible.gif', get_lang('ExtendAttemptView')),
-                                api_get_self() . '?action=stats&extend_id=' . $my_item_id . '&extend_attempt_id=' . $row['iv_id'] . $url_suffix
+                                api_get_self().'?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].$url_suffix
                             );
                         }
                     }
@@ -597,7 +597,7 @@ 
                     if ($inter_num > 1) {
                         $extend_link = Display::url(
                             Display::return_icon('invisible.gif', get_lang('ExtendAttemptView')),
-                            api_get_self() . '?action=stats&extend_id=' . $my_item_id . '&extend_attempt_id=' . $row['iv_id'] . $url_suffix
+                            api_get_self().'?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].$url_suffix
                         );
                     }
 
@@ -613,15 +613,15 @@ 
 
                     // Selecting the exe_id from stats attempts tables in order to look the max score value.
 
-                    $sql = 'SELECT * FROM ' . $tbl_stats_exercices . '
+                    $sql = 'SELECT * FROM '.$tbl_stats_exercices.'
                              WHERE
-                                exe_exo_id="' . $row['path'] . '" AND
-                                exe_user_id="' . $user_id . '" AND
-                                orig_lp_id = "' . $lp_id . '" AND
-                                orig_lp_item_id = "' . $row['myid'] . '" AND
-                                c_id = ' . $course_id . ' AND
+                                exe_exo_id="' . $row['path'].'" AND
+                                exe_user_id="' . $user_id.'" AND
+                                orig_lp_id = "' . $lp_id.'" AND
+                                orig_lp_item_id = "' . $row['myid'].'" AND
+                                c_id = ' . $course_id.' AND
                                 status <> "incomplete" AND
-                                session_id = ' . $session_id . '
+                                session_id = ' . $session_id.'
                              ORDER BY exe_date DESC
                              LIMIT 1';
 
@@ -652,8 +652,8 @@ 
                                         FROM $TBL_LP_ITEM_VIEW
                                         WHERE
                                             c_id = $course_id AND
-                                            lp_item_id = '" . (int) $my_id . "' AND
-                                            lp_view_id = '" . (int) $my_lp_view_id . "'
+                                            lp_item_id = '".(int) $my_id."' AND
+                                            lp_view_id = '" . (int) $my_lp_view_id."'
                                         ORDER BY view_count DESC limit 1";
                                 $res_score = Database::query($sql);
                                 $row_score = Database::fetch_array($res_score);
@@ -662,8 +662,8 @@ 
                                         FROM $TBL_LP_ITEM_VIEW
                                         WHERE
                                             c_id = $course_id AND
-                                            lp_item_id = '" . (int) $my_id . "' AND
-                                            lp_view_id = '" . (int) $my_lp_view_id . "'";
+                                            lp_item_id = '".(int) $my_id."' AND
+                                            lp_view_id = '" . (int) $my_lp_view_id."'";
                                 $res_time = Database::query($sql);
                                 $row_time = Database::fetch_array($res_time);
 
@@ -722,16 +722,16 @@ 
                     } else {
                         $correct_test_link = '-';
                         if ($row['item_type'] == 'quiz') {
-                            $my_url_suffix = '&course=' . $courseCode . '&student_id=' . $user_id . '&lp_id=' . intval($row['mylpid']) . '&origin=' . $origin;
-                            $sql = 'SELECT * FROM ' . $tbl_stats_exercices . '
+                            $my_url_suffix = '&course='.$courseCode.'&student_id='.$user_id.'&lp_id='.intval($row['mylpid']).'&origin='.$origin;
+                            $sql = 'SELECT * FROM '.$tbl_stats_exercices.'
                                      WHERE
-                                        exe_exo_id="' . $row['path'] . '" AND
-                                        exe_user_id="' . $user_id . '" AND
-                                        orig_lp_id = "' . $lp_id . '" AND
-                                        orig_lp_item_id = "' . $row['myid'] . '" AND
-                                        c_id = ' . $course_id . ' AND
+                                        exe_exo_id="' . $row['path'].'" AND
+                                        exe_user_id="' . $user_id.'" AND
+                                        orig_lp_id = "' . $lp_id.'" AND
+                                        orig_lp_item_id = "' . $row['myid'].'" AND
+                                        c_id = ' . $course_id.' AND
                                         status <> "incomplete" AND
-                                        session_id = ' . $session_id . '
+                                        session_id = ' . $session_id.'
                                      ORDER BY exe_date DESC ';
 
                             $resultLastAttempt = Database::query($sql);
@@ -743,12 +743,12 @@ 
                                 ) {
                                     $correct_test_link = Display::url(
                                         Display::return_icon('view_less_stats.gif', get_lang('HideAllAttempts')),
-                                        api_get_self() . '?action=stats' . $my_url_suffix . '&session_id=' . $session_id . '&lp_item_id=' . $my_id
+                                        api_get_self().'?action=stats'.$my_url_suffix.'&session_id='.$session_id.'&lp_item_id='.$my_id
                                     );
                                 } else {
                                     $correct_test_link = Display::url(
                                         Display::return_icon('view_more_stats.gif', get_lang('ShowAllAttemptsByExercise')),
-                                        api_get_self() . '?action=stats&extend_attempt=1' . $my_url_suffix . '&session_id=' . $session_id . '&lp_item_id=' . $my_id
+                                        api_get_self().'?action=stats&extend_attempt=1'.$my_url_suffix.'&session_id='.$session_id.'&lp_item_id='.$my_id
                                     );
                                 }
                             }
@@ -758,14 +758,14 @@ 
 
                         $action = null;
                         if ($type == 'classic') {
-                            $action =  '<td>' . $correct_test_link . '</td>';
+                            $action = '<td>'.$correct_test_link.'</td>';
                         }
 
                         if ($lp_id == $my_lp_id && false) {
 
-                            $output .= '<tr class =' . $oddclass . '>
-                                    <td>' . $extend_link . '</td>
-                                    <td colspan="4">' . $title . '</td>
+                            $output .= '<tr class ='.$oddclass.'>
+                                    <td>' . $extend_link.'</td>
+                                    <td colspan="4">' . $title.'</td>
                                     <td colspan="2">&nbsp;</td>
                                     <td colspan="2">&nbsp;</td>
                                     <td colspan="2">&nbsp;</td>
@@ -790,13 +790,13 @@ 
                                     $scoreItem .= ExerciseLib::show_score($score, $maxscore, false);
                                 }
                             } else {
-                                $scoreItem .= $score == 0 ? '/' : ($maxscore == 0 ? $score : $score . '/' . $maxscore);
+                                $scoreItem .= $score == 0 ? '/' : ($maxscore == 0 ? $score : $score.'/'.$maxscore);
                             }
 
                             $output .= '
                                 <td>'.$extend_link.'</td>
-                                <td colspan="4">' . $title . '</td>
-                                <td colspan="2">' . learnpathitem::humanize_status($lesson_status) .'</td>
+                                <td colspan="4">' . $title.'</td>
+                                <td colspan="2">' . learnpathitem::humanize_status($lesson_status).'</td>
                                 <td colspan="2">'.$scoreItem.'</td>
                                 <td colspan="2">'.$time.'</td>
                                 '.$action.'
@@ -813,10 +813,10 @@ 
                                 if (!$is_allowed_to_edit && $result_disabled_ext_all) {
                                     $temp[] = '/';
                                 } else {
-                                    $temp[] = ($score == 0 ? '0/' . $maxscore : ($maxscore == 0 ? $score : $score . '/' . float_format($maxscore, 1)));
+                                    $temp[] = ($score == 0 ? '0/'.$maxscore : ($maxscore == 0 ? $score : $score.'/'.float_format($maxscore, 1)));
                                 }
                             } else {
-                                $temp[] = ($score == 0 ? '/' : ($maxscore == 0 ? $score : $score . '/' . float_format($maxscore, 1)));
+                                $temp[] = ($score == 0 ? '/' : ($maxscore == 0 ? $score : $score.'/'.float_format($maxscore, 1)));
                             }
                             $temp[] = $time;
                             $csv_content[] = $temp;
@@ -827,7 +827,7 @@ 
 
                     $action = null;
                     if ($type == 'classic') {
-                        $action =  '<td></td>';
+                        $action = '<td></td>';
                     }
 
                     if ($extend_this_attempt || $extend_all) {
@@ -864,11 +864,11 @@ 
                                     <td></td>
                                     <td></td>
                                     <td></td>
-                                    <td>' . $interaction['order_id'] . '</td>
-                                    <td colspan="2">'.$interaction['objective_id'] . '</td>
-                                    <td colspan="2">' . $interaction['status'] . '</td>
+                                    <td>' . $interaction['order_id'].'</td>
+                                    <td colspan="2">'.$interaction['objective_id'].'</td>
+                                    <td colspan="2">' . $interaction['status'].'</td>
                                     <td>' . $interaction['score_raw'].'</td>
-                                    <td>' . $interaction['score_max'] .'</td>
+                                    <td>' . $interaction['score_max'].'</td>
                                     <td>' . $interaction['score_min'].'</td>
                                     '.$action.'
                                </tr>';
@@ -877,7 +877,7 @@ 
                     }
 
                     // Attempts listing by exercise.
-                    if ($lp_id == $my_lp_id && $lp_item_id== $my_id && $extendedAttempt) {
+                    if ($lp_id == $my_lp_id && $lp_item_id == $my_id && $extendedAttempt) {
                         // Get attempts of a exercise.
                         if (!empty($lp_id) &&
                             !empty($lp_item_id) &&
@@ -892,15 +892,15 @@ 
                             $row_path = Database::fetch_array($res_path);
 
                             if (Database::num_rows($res_path) > 0) {
-                                $sql = 'SELECT * FROM ' . $tbl_stats_exercices . '
+                                $sql = 'SELECT * FROM '.$tbl_stats_exercices.'
                                         WHERE
-                                            exe_exo_id="' . (int) $row_path['path'] . '" AND
+                                            exe_exo_id="' . (int) $row_path['path'].'" AND
                                             status <> "incomplete" AND
-                                            exe_user_id="' . $user_id . '" AND
-                                            orig_lp_id = "' . (int) $lp_id . '" AND
-                                            orig_lp_item_id = "' . (int) $lp_item_id . '" AND
-                                            c_id = ' . $course_id . '  AND
-                                            session_id = ' . $session_id . '
+                                            exe_user_id="' . $user_id.'" AND
+                                            orig_lp_id = "' . (int) $lp_id.'" AND
+                                            orig_lp_item_id = "' . (int) $lp_item_id.'" AND
+                                            c_id = ' . $course_id.'  AND
+                                            session_id = ' . $session_id.'
                                         ORDER BY exe_date';
                                 $res_attempts = Database::query($sql);
                                 $num_attempts = Database::num_rows($res_attempts);
@@ -918,7 +918,7 @@ 
                                         if ($mktime_start_date && $mktime_exe_date) {
                                             $mytime = ((int) $mktime_exe_date - (int) $mktime_start_date);
                                             $time_attemp = learnpathItem :: getScormTimeFromParameter('js', $mytime);
-                                            $time_attemp = str_replace('NaN', '00' . $h . '00\'00"', $time_attemp);
+                                            $time_attemp = str_replace('NaN', '00'.$h.'00\'00"', $time_attemp);
                                         } else {
                                             $time_attemp = ' - ';
                                         }
@@ -944,33 +944,33 @@ 
                                             $my_lesson_status = learnpathitem::humanize_status('incomplete');
                                         }
 
-                                        $output .= '<tr class="' . $oddclass . '" >
+                                        $output .= '<tr class="'.$oddclass.'" >
                                         <td></td>
-                                        <td>' . $extend_attempt_link . '</td>
-                                        <td colspan="3">' . get_lang('Attempt').' '. $n.'</td>
-                                        <td colspan="2">' . $my_lesson_status . '</td>
-                                        <td colspan="2">'.$view_score . '</td>
-                                        <td colspan="2">'.$time_attemp . '</td>';
+                                        <td>' . $extend_attempt_link.'</td>
+                                        <td colspan="3">' . get_lang('Attempt').' '.$n.'</td>
+                                        <td colspan="2">' . $my_lesson_status.'</td>
+                                        <td colspan="2">'.$view_score.'</td>
+                                        <td colspan="2">'.$time_attemp.'</td>';
                                         if ($action == 'classic') {
                                             if ($origin != 'tracking') {
                                                 if (!$is_allowed_to_edit && $result_disabled_ext_all) {
                                                     $output .= '<td>
-                                                            <img src="' . api_get_path(WEB_IMG_PATH) . 'quiz_na.gif" alt="' . get_lang('ShowAttempt') . '" title="' . get_lang('ShowAttempt') . '">
+                                                            <img src="' . api_get_path(WEB_IMG_PATH).'quiz_na.gif" alt="'.get_lang('ShowAttempt').'" title="'.get_lang('ShowAttempt').'">
                                                             </td>';
                                                 } else {
                                                     $output .= '<td>
-                                                            <a href="../exercice/exercise_show.php?origin=' . $origin . '&id=' . $my_exe_id . '&cidReq=' . $courseCode . '" target="_parent">
-                                                            <img src="' . api_get_path(WEB_IMG_PATH) . 'quiz.gif" alt="' . get_lang('ShowAttempt') . '" title="' . get_lang('ShowAttempt') . '">
+                                                            <a href="../exercice/exercise_show.php?origin=' . $origin.'&id='.$my_exe_id.'&cidReq='.$courseCode.'" target="_parent">
+                                                            <img src="' . api_get_path(WEB_IMG_PATH).'quiz.gif" alt="'.get_lang('ShowAttempt').'" title="'.get_lang('ShowAttempt').'">
                                                             </a></td>';
                                                 }
                                             } else {
                                                 if (!$is_allowed_to_edit && $result_disabled_ext_all) {
                                                     $output .= '<td>
-                                                                <img src="' . api_get_path(WEB_IMG_PATH) . 'quiz_na.gif" alt="' . get_lang('ShowAndQualifyAttempt') . '" title="' . get_lang('ShowAndQualifyAttempt') . '"></td>';
+                                                                <img src="' . api_get_path(WEB_IMG_PATH).'quiz_na.gif" alt="'.get_lang('ShowAndQualifyAttempt').'" title="'.get_lang('ShowAndQualifyAttempt').'"></td>';
                                                 } else {
                                                     $output .= '<td>
-                                                                    <a href="../exercice/exercise_show.php?cidReq=' . $courseCode . '&origin=correct_exercise_in_lp&id=' . $my_exe_id . '" target="_parent">
-                                                                    <img src="' . api_get_path(WEB_IMG_PATH) . 'quiz.gif" alt="' . get_lang('ShowAndQualifyAttempt') . '" title="' . get_lang('ShowAndQualifyAttempt') . '"></a></td>';
+                                                                    <a href="../exercice/exercise_show.php?cidReq=' . $courseCode.'&origin=correct_exercise_in_lp&id='.$my_exe_id.'" target="_parent">
+                                                                    <img src="' . api_get_path(WEB_IMG_PATH).'quiz.gif" alt="'.get_lang('ShowAndQualifyAttempt').'" title="'.get_lang('ShowAndQualifyAttempt').'"></a></td>';
                                                 }
                                             }
                                         }
@@ -1029,13 +1029,13 @@ 
         }
 
         $total_time = learnpathItem::getScormTimeFromParameter('js', $total_time);
-        $total_time = str_replace('NaN', '00' . $h . '00\'00"', $total_time);
+        $total_time = str_replace('NaN', '00'.$h.'00\'00"', $total_time);
 
         if (!$is_allowed_to_edit && $result_disabled_ext_all) {
             $final_score = Display::return_icon('invisible.gif', get_lang('ResultsHiddenByExerciseSetting'));
         } else {
             if (is_numeric($total_score)) {
-                $final_score = $total_score . '%';
+                $final_score = $total_score.'%';
             } else {
                 $final_score = $total_score;
             }
@@ -1051,19 +1051,19 @@ 
 
         $action = null;
         if ($type == 'classic') {
-            $action =  '<td></td>';
+            $action = '<td></td>';
         }
 
         $output .= '<tr class="'.$oddclass.'">
                 <td></td>
                 <td colspan="4">
-                    <i>' . get_lang('AccomplishedStepsTotal') .'</i>
+                    <i>' . get_lang('AccomplishedStepsTotal').'</i>
                 </td>
                 <td colspan="2">'.$progress.'%</td>
                 <td colspan="2">
                     ' . $final_score.'
                 </td>
-                <td colspan="2">' . $total_time . '</div>
+                <td colspan="2">' . $total_time.'</div>
                 '.$action.'
            </tr>';
 
@@ -1359,7 +1359,7 @@ 
     	$tbl_track_course = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
     	if (is_array($user_id)) {
     	    $user_id = array_map('intval', $user_id);
-    		$condition_user = " AND user_id IN (".implode(',',$user_id).") ";
+    		$condition_user = " AND user_id IN (".implode(',', $user_id).") ";
     	} else {
     		$user_id = intval($user_id);
     		$condition_user = " AND user_id = $user_id ";
@@ -1396,13 +1396,13 @@ 
     {
     	$tbl_track_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
     	$sql = 'SELECT login_date
-    	        FROM ' . $tbl_track_login . '
-                WHERE login_user_id = ' . intval($student_id) . '
+    	        FROM ' . $tbl_track_login.'
+                WHERE login_user_id = ' . intval($student_id).'
                 ORDER BY login_date ASC
                 LIMIT 0,1';
 
     	$rs = Database::query($sql);
-    	if (Database::num_rows($rs)>0) {
+    	if (Database::num_rows($rs) > 0) {
     		if ($first_login_date = Database::result($rs, 0, 0)) {
                 return api_convert_and_format_date(
                     $first_login_date,
@@ -1427,8 +1427,8 @@ 
     {
     	$table = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
     	$sql = 'SELECT login_date
-    	        FROM ' . $table . '
-                WHERE login_user_id = ' . intval($student_id) . '
+    	        FROM ' . $table.'
+                WHERE login_user_id = ' . intval($student_id).'
                 ORDER BY login_date
                 DESC LIMIT 0,1';
 
@@ -1437,18 +1437,18 @@ 
     		if ($last_login_date = Database::result($rs, 0, 0)) {
     			$last_login_date = api_get_local_time($last_login_date);
     			if ($return_timestamp) {
-    				return api_strtotime($last_login_date,'UTC');
+    				return api_strtotime($last_login_date, 'UTC');
     			} else {
     				if (!$warning_message) {
     					return api_format_date($last_login_date, DATE_FORMAT_SHORT);
     				} else {
-    					$timestamp = api_strtotime($last_login_date,'UTC');
+    					$timestamp = api_strtotime($last_login_date, 'UTC');
     					$currentTimestamp = time();
 
     					//If the last connection is > than 7 days, the text is red
     					//345600 = 7 days in seconds
     					if ($currentTimestamp - $timestamp > 604800) {
-    						return '<span style="color: #F00;">' . api_format_date($last_login_date, DATE_FORMAT_SHORT) . '</span>';
+    						return '<span style="color: #F00;">'.api_format_date($last_login_date, DATE_FORMAT_SHORT).'</span>';
     					} else {
     						return api_format_date($last_login_date, DATE_FORMAT_SHORT);
     					}
@@ -1483,7 +1483,7 @@ 
         $sql = "$select
                 FROM $tbl_track_login
                 WHERE
-                    login_user_id IN (' ". implode("','", $studentList) . "' ) AND
+                    login_user_id IN (' ".implode("','", $studentList)."' ) AND
                     login_date < '$date'
                 ";
         $rs = Database::query($sql);
@@ -1581,7 +1581,7 @@ 
                             '<a href="'.api_get_path(REL_CODE_PATH).'announcements/announcements.php?action=add&remind_inactive='.$student_id.'&cidReq='.$courseInfo['code'].'" title="'.get_lang('RemindInactiveUser').'">
                              <img src="'.api_get_path(WEB_IMG_PATH).'messagebox_warning.gif" /> </a>'
                             : null;
-    					return $icon. Display::label($last_login_date, 'warning');
+    					return $icon.Display::label($last_login_date, 'warning');
     				} else {
     					return $last_login_date;
     				}
@@ -1631,7 +1631,7 @@ 
                     session_id = $session_id
                     $month_filter";
     	$rs = Database::query($sql);
-    	if (Database::num_rows($rs)>0) {
+    	if (Database::num_rows($rs) > 0) {
     		$row = Database::fetch_object($rs);
     		$count = $row->count_connections;
     	}
@@ -1652,14 +1652,14 @@ 
     	$tbl_session_course_rel_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 
     	$sql = 'SELECT DISTINCT c_id
-                FROM ' . $tbl_course_rel_user . '
+                FROM ' . $tbl_course_rel_user.'
                 WHERE user_id = ' . $user_id.' AND relation_type<>'.COURSE_RELATION_TYPE_RRHH;
     	$rs = Database::query($sql);
     	$nb_courses = Database::num_rows($rs);
 
     	if ($include_sessions) {
     		$sql = 'SELECT DISTINCT c_id
-                    FROM ' . $tbl_session_course_rel_user . '
+                    FROM ' . $tbl_session_course_rel_user.'
                     WHERE user_id = ' . $user_id;
     		$rs = Database::query($sql);
     		$nb_courses += Database::num_rows($rs);
@@ -1706,7 +1706,7 @@ 
     		$condition_quiz = "";
     		if (!empty($exercise_id)) {
     			$exercise_id = intval($exercise_id);
-    			$condition_quiz =" AND id = $exercise_id ";
+    			$condition_quiz = " AND id = $exercise_id ";
     		}
 
     		// Compose a filter based on optional session id given
@@ -1755,7 +1755,7 @@ 
                         }
                     }
                     if (!empty($exercise_list)) {
-                        $exercise_id = implode("','",$exercise_list);
+                        $exercise_id = implode("','", $exercise_list);
                     }
     			}
 
@@ -1780,10 +1780,10 @@ 
     			$quiz_avg_score = null;
 
     			if (!empty($row['avg_score'])) {
-    				$quiz_avg_score = round($row['avg_score'],2);
+    				$quiz_avg_score = round($row['avg_score'], 2);
     			}
 
-    			if(!empty($row['num_attempts'])) {
+    			if (!empty($row['num_attempts'])) {
     				$quiz_avg_score = round($quiz_avg_score / $row['num_attempts'], 2);
     			}
     			if (is_array($student_id)) {
@@ -1913,7 +1913,7 @@ 
             $row = Database::fetch_row($rs);
             $count = $row[0];
         }
-        $count = ($count != 0 ) ? 100*round(intval($count)/count($exercise_list), 2) .'%' : '0%';
+        $count = ($count != 0) ? 100 * round(intval($count) / count($exercise_list), 2).'%' : '0%';
         return $count;
     }
 
@@ -1938,7 +1938,7 @@ 
                 );
 
                 if (!empty($best_attempt) && !empty($best_attempt['exe_weighting'])) {
-                    $result += $best_attempt['exe_result']/$best_attempt['exe_weighting'];
+                    $result += $best_attempt['exe_result'] / $best_attempt['exe_weighting'];
                 }
             }
             $result = $result / count($exercise_list);
@@ -1975,7 +1975,7 @@ 
         $query = sprintf($sql, intval($courseId), $sessionId);
         $rs = Database::query($query);
         $teachers = array();
-        while ($teacher = Database::fetch_array($rs,'ASSOC')) {
+        while ($teacher = Database::fetch_array($rs, 'ASSOC')) {
             $teachers[] = $teacher;
         }
         $data = array();
@@ -2099,7 +2099,7 @@ 
             $data[] = array(
                 'course' => $course['title'],
                 'session' => $teacher['name'],
-                'tutor' => $tutor['username'] . ' - ' . $tutor['lastname'] . ' ' . $tutor['firstname'],
+                'tutor' => $tutor['username'].' - '.$tutor['lastname'].' '.$tutor['firstname'],
                 'documents' => $totalDocuments,
                 'links' => $totalLinks,
                 'forums' => $totalForums,
@@ -2162,7 +2162,7 @@ 
             for ($i = 0; $i < count($lPIds); $i++) {
                 $placeHolders[] = '?';
             }
-            $lPConditions['AND id IN(' . implode(', ', $placeHolders) . ') '] = $lPIds;
+            $lPConditions['AND id IN('.implode(', ', $placeHolders).') '] = $lPIds;
         }
 
         if ($onlySeriousGame) {
@@ -2182,12 +2182,12 @@ 
 
         $conditions = [
             " c_id = {$courseInfo['real_id']} ",
-            " lp_view.lp_id IN(" . implode(', ', $filteredLP) . ") "
+            " lp_view.lp_id IN(".implode(', ', $filteredLP).") "
         ];
 
         if (is_array($studentId)) {
             $studentId = array_map('intval', $studentId);
-            $conditions[] = " lp_view.user_id IN (" . implode(',', $studentId) . ")  ";
+            $conditions[] = " lp_view.user_id IN (".implode(',', $studentId).")  ";
 
             $groupBy = 'GROUP BY lp_id';
         } else {
@@ -2279,7 +2279,7 @@ 
             // Compose a filter based on optional learning paths list given
             $condition_lp = "";
             if (count($lp_ids) > 0) {
-                $condition_lp =" AND id IN(".implode(',',$lp_ids).") ";
+                $condition_lp = " AND id IN(".implode(',', $lp_ids).") ";
             }
 
             // Compose a filter based on optional session id
@@ -2319,9 +2319,9 @@ 
             // prepare filter on users
             if (is_array($student_id)) {
                 array_walk($student_id, 'intval');
-                $condition_user1 =" AND user_id IN (".implode(',', $student_id).") ";
+                $condition_user1 = " AND user_id IN (".implode(',', $student_id).") ";
             } else {
-                $condition_user1 =" AND user_id = $student_id ";
+                $condition_user1 = " AND user_id = $student_id ";
             }
 
             if ($count_row_lp > 0 && !empty($student_id)) {
@@ -2364,7 +2364,7 @@ 
                                     ORDER BY lp_item_id";
                             $res_lp_item = Database::query($sql);
 
-                            while ($row_lp_item = Database::fetch_array($res_lp_item,'ASSOC')) {
+                            while ($row_lp_item = Database::fetch_array($res_lp_item, 'ASSOC')) {
                                 $my_lp_item_id = $row_lp_item['lp_item_id'];
 
                                 // Getting the most recent attempt
@@ -2387,8 +2387,8 @@ 
                                         ORDER BY view_count DESC
                                         LIMIT 1";
                                 $res_lp_item_result = Database::query($sql);
-                                while ($row_max_score = Database::fetch_array($res_lp_item_result,'ASSOC')) {
-                                    $list[]= $row_max_score;
+                                while ($row_max_score = Database::fetch_array($res_lp_item_result, 'ASSOC')) {
+                                    $list[] = $row_max_score;
                                 }
                             }
                         } else {
@@ -2412,8 +2412,8 @@ 
                             if ($debug) echo $sql.'<br />';
                             $res_max_score = Database::query($sql);
 
-                            while ($row_max_score = Database::fetch_array($res_max_score,'ASSOC')) {
-                                $list[]= $row_max_score;
+                            while ($row_max_score = Database::fetch_array($res_max_score, 'ASSOC')) {
+                                $list[] = $row_max_score;
                             }
                         }
 
@@ -2428,7 +2428,7 @@ 
                             $max_score_item_view = $row_max_score['max_score_item_view'];
                             $score = $row_max_score['score'];
 
-                            if ($debug) echo '<h3>Item Type: ' .$row_max_score['item_type'].'</h3>';
+                            if ($debug) echo '<h3>Item Type: '.$row_max_score['item_type'].'</h3>';
 
                             if ($row_max_score['item_type'] == 'sco') {
                                 /* Check if it is sco (easier to get max_score)
@@ -2446,7 +2446,7 @@ 
                                 }
                                 // Avoid division by zero errors
                                 if (!empty($max_score)) {
-                                    $lp_partial_total += $score/$max_score;
+                                    $lp_partial_total += $score / $max_score;
                                 }
                                 if ($debug) echo '<b>$lp_partial_total, $score, $max_score '.$lp_partial_total.' '.$score.' '.$max_score.'</b><br />';
                             } else {
@@ -2470,10 +2470,10 @@ 
                                         ORDER BY exe_date DESC
                                         LIMIT 1";
 
-                                if ($debug) echo $sql .'<br />';
+                                if ($debug) echo $sql.'<br />';
                                 $result_last_attempt = Database::query($sql);
                                 $num = Database :: num_rows($result_last_attempt);
-                                if ($num > 0 ) {
+                                if ($num > 0) {
                                     $id_last_attempt = Database :: result($result_last_attempt, 0, 0);
                                     if ($debug) echo $id_last_attempt.'<br />';
 
@@ -2502,13 +2502,13 @@ 
                                         $max_score = $row_max_score_bis['maxscore'];
                                     }
                                     if (!empty($max_score) && floatval($max_score) > 0) {
-                                        $lp_partial_total += $score/$max_score;
+                                        $lp_partial_total += $score / $max_score;
                                     }
                                     if ($debug) echo '$lp_partial_total, $score, $max_score <b>'.$lp_partial_total.' '.$score.' '.$max_score.'</b><br />';
                                 }
                             }
 
-                            if (in_array($row_max_score['item_type'], array('quiz','sco'))) {
+                            if (in_array($row_max_score['item_type'], array('quiz', 'sco'))) {
                                 // Normal way
                                 if ($use_max_score[$lp_id]) {
                                     $count_items++;
@@ -2543,8 +2543,8 @@ 
                     if ($debug) echo $sql;
                     $result_have_quiz = Database::query($sql);
 
-                    if (Database::num_rows($result_have_quiz) > 0 ) {
-                        $row = Database::fetch_array($result_have_quiz,'ASSOC');
+                    if (Database::num_rows($result_have_quiz) > 0) {
+                        $row = Database::fetch_array($result_have_quiz, 'ASSOC');
                         if (is_numeric($row['count']) && $row['count'] != 0) {
                             $lp_with_quiz++;
                         }
@@ -2556,7 +2556,7 @@ 
 
                 if ($lp_with_quiz != 0) {
                     if (!$return_array) {
-                        $score_of_scorm_calculate = round(($global_result/$lp_with_quiz),2);
+                        $score_of_scorm_calculate = round(($global_result / $lp_with_quiz), 2);
                         if ($debug) var_dump($score_of_scorm_calculate);
                         if (empty($lp_ids)) {
                             if ($debug) echo '<h2>All lps fix: '.$score_of_scorm_calculate.'</h2>';
@@ -2630,9 +2630,9 @@ 
 
         if (is_array($student_id)) {
             array_walk($student_id, 'intval');
-            $conditions[] =" lp_view.user_id IN (".implode(',', $student_id).") ";
+            $conditions[] = " lp_view.user_id IN (".implode(',', $student_id).") ";
         } else {
-            $conditions[] =" lp_view.user_id = $student_id ";
+            $conditions[] = " lp_view.user_id = $student_id ";
         }
 
         $conditionsToString = implode('AND ', $conditions);
@@ -2656,7 +2656,7 @@ 
             return 0;
         }
 
-        return ($row['sum_score'] / $row['sum_max_score'])*100;
+        return ($row['sum_score'] / $row['sum_max_score']) * 100;
 
     }
 
@@ -2686,7 +2686,7 @@ 
             // Compose a filter based on optional learning paths list given
             $condition_lp = "";
             if (count($lp_ids) > 0) {
-                $condition_lp =" AND id IN(".implode(',',$lp_ids).") ";
+                $condition_lp = " AND id IN(".implode(',', $lp_ids).") ";
             }
 
             // Compose a filter based on optional session id
@@ -2745,7 +2745,7 @@ 
 
         if (!empty($course)) {
 
-            $course_id	 = $course['real_id'];
+            $course_id = $course['real_id'];
 
             $lp_table    = Database :: get_course_table(TABLE_LP_MAIN);
             $t_lpv       = Database :: get_course_table(TABLE_LP_VIEW);
@@ -2759,8 +2759,8 @@ 
             // calculates last connection time
             if ($count_row_lp > 0) {
                 $sql = 'SELECT MAX(start_time)
-                        FROM ' . $t_lpiv . ' AS item_view
-                        INNER JOIN ' . $t_lpv . ' AS view
+                        FROM ' . $t_lpiv.' AS item_view
+                        INNER JOIN ' . $t_lpv.' AS view
                             ON item_view.lp_view_id = view.id
                         WHERE
                             item_view.c_id 		= '.$course_id.' AND
@@ -2796,15 +2796,15 @@ 
 
         // At first, courses where $coach_id is coach of the course //
         $sql = 'SELECT session_id, c_id
-                FROM ' . $tbl_session_course_user . '
+                FROM ' . $tbl_session_course_user.'
                 WHERE user_id=' . $coach_id.' AND status=2';
 
         if (api_is_multiple_url_enabled()) {
-            $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+            $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
             $access_url_id = api_get_current_access_url_id();
             if ($access_url_id != -1) {
                 $sql = 'SELECT scu.session_id, scu.c_id
-                    FROM ' . $tbl_session_course_user . ' scu
+                    FROM ' . $tbl_session_course_user.' scu
                     INNER JOIN '.$tbl_session_rel_access_url.'  sru
                     ON (scu.session_id=sru.session_id)
                     WHERE
@@ -2838,28 +2838,28 @@ 
 
         // Then, courses where $coach_id is coach of the session    //
         $sql = 'SELECT session_course_user.user_id
-                FROM ' . $tbl_session_course_user . ' as session_course_user
+                FROM ' . $tbl_session_course_user.' as session_course_user
                 INNER JOIN     '.$tbl_session_user.' sru
                 ON session_course_user.user_id = sru.user_id AND session_course_user.session_id = sru.session_id
-                INNER JOIN ' . $tbl_session_course . ' as session_course
+                INNER JOIN ' . $tbl_session_course.' as session_course
                 ON session_course.c_id = session_course_user.c_id
                 AND session_course_user.session_id = session_course.session_id
-                INNER JOIN ' . $tbl_session . ' as session
+                INNER JOIN ' . $tbl_session.' as session
                 ON session.id = session_course.session_id
                 AND session.id_coach = ' . $coach_id;
         if (api_is_multiple_url_enabled()) {
-            $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+            $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
             $access_url_id = api_get_current_access_url_id();
-            if ($access_url_id != -1){
+            if ($access_url_id != -1) {
                 $sql = 'SELECT session_course_user.user_id
-                        FROM ' . $tbl_session_course_user . ' as session_course_user
+                        FROM ' . $tbl_session_course_user.' as session_course_user
                         INNER JOIN     '.$tbl_session_user.' sru
                             ON session_course_user.user_id = sru.user_id AND
                                session_course_user.session_id = sru.session_id
-                        INNER JOIN ' . $tbl_session_course . ' as session_course
+                        INNER JOIN ' . $tbl_session_course.' as session_course
                             ON session_course.c_id = session_course_user.c_id AND
                             session_course_user.session_id = session_course.session_id
-                        INNER JOIN ' . $tbl_session . ' as session
+                        INNER JOIN ' . $tbl_session.' as session
                             ON session.id = session_course.session_id AND
                             session.id_coach = ' . $coach_id.'
                         INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
@@ -2889,8 +2889,8 @@ 
 
         $students = [];
         // At first, courses where $coach_id is coach of the course //
-        $sql = 'SELECT c_id FROM ' . $tbl_session_course_user . '
-                WHERE session_id="' . $id_session . '" AND user_id=' . $coach_id.' AND status=2';
+        $sql = 'SELECT c_id FROM '.$tbl_session_course_user.'
+                WHERE session_id="' . $id_session.'" AND user_id='.$coach_id.' AND status=2';
         $result = Database::query($sql);
 
         while ($a_courses = Database::fetch_array($result)) {
@@ -2900,7 +2900,7 @@ 
                     FROM $tbl_session_course_user AS srcru
                     WHERE
                         c_id = '$courseId' AND
-                        session_id = '" . $id_session . "'";
+                        session_id = '".$id_session."'";
             $rs = Database::query($sql);
             while ($row = Database::fetch_array($rs)) {
                 $students[$row['user_id']] = $row['user_id'];
@@ -2908,15 +2908,15 @@ 
         }
 
         // Then, courses where $coach_id is coach of the session
-        $sql = 'SELECT id_coach FROM ' . $tbl_session . '
-                WHERE id="' . $id_session.'" AND id_coach="' . $coach_id . '"';
+        $sql = 'SELECT id_coach FROM '.$tbl_session.'
+                WHERE id="' . $id_session.'" AND id_coach="'.$coach_id.'"';
         $result = Database::query($sql);
 
         //He is the session_coach so we select all the users in the session
         if (Database::num_rows($result) > 0) {
             $sql = 'SELECT DISTINCT srcru.user_id
-                    FROM ' . $tbl_session_course_user . ' AS srcru
-                    WHERE session_id="' . $id_session . '"';
+                    FROM ' . $tbl_session_course_user.' AS srcru
+                    WHERE session_id="' . $id_session.'"';
             $result = Database::query($sql);
             while ($row = Database::fetch_array($result)) {
                 $students[$row['user_id']] = $row['user_id'];
@@ -2943,8 +2943,8 @@ 
 
         // At first, courses where $coach_id is coach of the course //
 
-        $sql = 'SELECT 1 FROM ' . $tbl_session_course_user . '
-                WHERE user_id=' . $coach_id .' AND status=2';
+        $sql = 'SELECT 1 FROM '.$tbl_session_course_user.'
+                WHERE user_id=' . $coach_id.' AND status=2';
         $result = Database::query($sql);
         if (Database::num_rows($result) > 0) {
             return true;
@@ -2952,12 +2952,12 @@ 
 
         // Then, courses where $coach_id is coach of the session
         $sql = 'SELECT session_course_user.user_id
-                FROM ' . $tbl_session_course_user . ' as session_course_user
-                INNER JOIN ' . $tbl_session_course . ' as session_course
+                FROM ' . $tbl_session_course_user.' as session_course_user
+                INNER JOIN ' . $tbl_session_course.' as session_course
                     ON session_course.c_id = session_course_user.c_id
-                INNER JOIN ' . $tbl_session . ' as session
+                INNER JOIN ' . $tbl_session.' as session
                     ON session.id = session_course.session_id
-                    AND session.id_coach = ' . $coach_id . '
+                    AND session.id_coach = ' . $coach_id.'
                 WHERE user_id = ' . $student_id;
         $result = Database::query($sql);
         if (Database::num_rows($result) > 0) {
@@ -2989,16 +2989,16 @@ 
         // At first, courses where $coach_id is coach of the course.
 
         $sql = 'SELECT DISTINCT c.code
-                FROM ' . $tbl_session_course_user . ' sc
+                FROM ' . $tbl_session_course_user.' sc
                 INNER JOIN '.$tbl_course.' c
                 ON (c.id = sc.c_id)
                 WHERE user_id = ' . $coach_id.' AND status = 2';
 
         if (api_is_multiple_url_enabled()) {
             $access_url_id = api_get_current_access_url_id();
-            if ($access_url_id != -1){
+            if ($access_url_id != -1) {
                 $sql = 'SELECT DISTINCT c.code
-                        FROM ' . $tbl_session_course_user . ' scu
+                        FROM ' . $tbl_session_course_user.' scu
                         INNER JOIN '.$tbl_course.' c
                         ON (c.code = scu.c_id)
                         INNER JOIN '.$tbl_course_rel_access_url.' cru
@@ -3011,7 +3011,7 @@ 
         }
 
         if (!empty($id_session)) {
-            $sql .= ' AND session_id=' . $id_session;
+            $sql .= ' AND session_id='.$id_session;
         }
 
         $courseList = array();
@@ -3023,25 +3023,25 @@ 
         // Then, courses where $coach_id is coach of the session
 
         $sql = 'SELECT DISTINCT course.code
-                FROM ' . $tbl_session_course . ' as session_course
-                INNER JOIN ' . $tbl_session . ' as session
+                FROM ' . $tbl_session_course.' as session_course
+                INNER JOIN ' . $tbl_session.' as session
                     ON session.id = session_course.session_id
-                    AND session.id_coach = ' . $coach_id . '
-                INNER JOIN ' . $tbl_course . ' as course
+                    AND session.id_coach = ' . $coach_id.'
+                INNER JOIN ' . $tbl_course.' as course
                     ON course.id = session_course.c_id';
 
         if (api_is_multiple_url_enabled()) {
             $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
             $access_url_id = api_get_current_access_url_id();
-            if ($access_url_id != -1){
+            if ($access_url_id != -1) {
                 $sql = 'SELECT DISTINCT c.code
-                    FROM ' . $tbl_session_course . ' as session_course
+                    FROM ' . $tbl_session_course.' as session_course
                     INNER JOIN '.$tbl_course.' c
                     ON (c.id = session_course.c_id)
-                    INNER JOIN ' . $tbl_session . ' as session
+                    INNER JOIN ' . $tbl_session.' as session
                     ON session.id = session_course.session_id
-                        AND session.id_coach = ' . $coach_id . '
-                    INNER JOIN ' . $tbl_course . ' as course
+                        AND session.id_coach = ' . $coach_id.'
+                    INNER JOIN ' . $tbl_course.' as course
                         ON course.id = session_course.c_id
                      INNER JOIN '.$tbl_course_rel_access_url.' course_rel_url
                     ON (course_rel_url.c_id = c.id)';
@@ -3049,12 +3049,12 @@ 
         }
 
         if (!empty ($id_session)) {
-            $sql .= ' WHERE session_course.session_id=' . $id_session;
+            $sql .= ' WHERE session_course.session_id='.$id_session;
             if (api_is_multiple_url_enabled())
-            $sql .=  ' AND access_url_id = '.$access_url_id;
-        }  else {
+            $sql .= ' AND access_url_id = '.$access_url_id;
+        } else {
             if (api_is_multiple_url_enabled())
-            $sql .=  ' WHERE access_url_id = '.$access_url_id;
+            $sql .= ' WHERE access_url_id = '.$access_url_id;
         }
 
         $result = Database::query($sql);
@@ -3110,7 +3110,7 @@ 
             }
         }
 
-        $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
         $access_url_id = api_get_current_access_url_id();
 
         $sql = "
@@ -3230,7 +3230,7 @@ 
             // table definition
             $tbl_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
             $tbl_document = Database :: get_course_table(TABLE_DOCUMENT);
-            $course_id	 = $a_course['real_id'];
+            $course_id = $a_course['real_id'];
             if (is_array($student_id)) {
                 $studentList = array_map('intval', $student_id);
                 $condition_user = " AND ip.insert_user_id IN ('".implode(',', $studentList)."') ";
@@ -3281,7 +3281,7 @@ 
         $a_course = CourseManager::get_course_information($course_code);
         if (!empty($a_course)) {
             $course_id = $a_course['real_id'];
-            $conditions[]= " ip.c_id  = $course_id AND pub.c_id  = $course_id ";
+            $conditions[] = " ip.c_id  = $course_id AND pub.c_id  = $course_id ";
         }
 
         // table definition
@@ -3290,14 +3290,14 @@ 
 
         if (is_array($student_id)) {
             $studentList = array_map('intval', $student_id);
-            $conditions[]= " ip.insert_user_id IN ('".implode("','", $studentList)."') ";
+            $conditions[] = " ip.insert_user_id IN ('".implode("','", $studentList)."') ";
         } else {
             $student_id = intval($student_id);
-            $conditions[]= " ip.insert_user_id = '$student_id' ";
+            $conditions[] = " ip.insert_user_id = '$student_id' ";
         }
         if (isset($session_id)) {
             $session_id = intval($session_id);
-            $conditions[]= " pub.session_id = $session_id ";
+            $conditions[] = " pub.session_id = $session_id ";
         }
         $conditionToString = implode('AND', $conditions);
 
@@ -3330,8 +3330,8 @@ 
         $courseCondition = null;
         $conditions = array();
         if (!empty($courseInfo)) {
-            $course_id	    = $courseInfo['real_id'];
-            $conditions[]= " post.c_id  = $course_id AND forum.c_id = $course_id ";
+            $course_id = $courseInfo['real_id'];
+            $conditions[] = " post.c_id  = $course_id AND forum.c_id = $course_id ";
         }
 
         // Table definition.
@@ -3340,15 +3340,15 @@ 
 
         if (is_array($student_id)) {
             $studentList = array_map('intval', $student_id);
-            $conditions[]= " post.poster_id IN ('".implode("','", $studentList)."') ";
+            $conditions[] = " post.poster_id IN ('".implode("','", $studentList)."') ";
         } else {
             $student_id = intval($student_id);
-            $conditions[]= " post.poster_id = '$student_id' ";
+            $conditions[] = " post.poster_id = '$student_id' ";
         }
 
         if (isset($session_id)) {
             $session_id = intval($session_id);
-            $conditions[]= " forum.session_id = $session_id";
+            $conditions[] = " forum.session_id = $session_id";
         }
 
         $conditionsToString = implode('AND ', $conditions);
@@ -3383,7 +3383,7 @@ 
             $condition_session = '';
             if (isset($session_id)) {
                 $session_id = intval($session_id);
-                $condition_session = api_get_session_condition($session_id, true,  false, 'f.session_id');
+                $condition_session = api_get_session_condition($session_id, true, false, 'f.session_id');
             }
 
             $course_id = $courseInfo['real_id'];
@@ -3439,7 +3439,7 @@ 
         $condition_session = '';
         if (isset($session_id)) {
             $session_id = intval($session_id);
-            $condition_session = ' AND f.session_id = '. $session_id;
+            $condition_session = ' AND f.session_id = '.$session_id;
         }
 
         $groupId = intval($groupId);
@@ -3500,7 +3500,7 @@ 
         $condition_session = '';
         if (isset($session_id)) {
              $session_id = intval($session_id);
-             $condition_session = ' AND f.session_id = '. $session_id;
+             $condition_session = ' AND f.session_id = '.$session_id;
         }
 
         $groupId = intval($groupId);
@@ -3579,7 +3579,7 @@ 
     {
         $student_id = intval($student_id);
         $courseId = intval($courseId);
-        $session_id    = intval($session_id);
+        $session_id = intval($session_id);
         $date_time  = '';
 
         // table definition
@@ -3648,7 +3648,7 @@ 
         $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
 
         $sql = 'SELECT 1
-                FROM ' . $table . '
+                FROM ' . $table.'
                 WHERE down_user_id = '.$student_id.'
                 AND c_id  = "'.$courseId.'"
                 AND down_session_id = '.$session_id.' ';
@@ -3726,30 +3726,30 @@ 
                 '.$inner.'
                 WHERE c.id = '.$courseId.'
                 GROUP BY stats_login.user_id
-                HAVING DATE_SUB( "' . $now . '", INTERVAL '.$since.' DAY) > max_date ';
+                HAVING DATE_SUB( "' . $now.'", INTERVAL '.$since.' DAY) > max_date ';
 
         if ($since == 'never') {
             if (empty($session_id)) {
                 $sql = 'SELECT course_user.user_id
-                        FROM ' . $table_course_rel_user . ' course_user
-                        LEFT JOIN ' . $tbl_track_login . ' stats_login
+                        FROM ' . $table_course_rel_user.' course_user
+                        LEFT JOIN ' . $tbl_track_login.' stats_login
                         ON course_user.user_id = stats_login.user_id AND
-                        relation_type<>' . COURSE_RELATION_TYPE_RRHH . '
-                        INNER JOIN ' . $tableCourse . ' c
+                        relation_type<>' . COURSE_RELATION_TYPE_RRHH.'
+                        INNER JOIN ' . $tableCourse.' c
                         ON (c.id = course_user.c_id)
                         WHERE
-                            course_user.c_id = ' . $courseId . ' AND
+                            course_user.c_id = ' . $courseId.' AND
                             stats_login.login_course_date IS NULL
                         GROUP BY course_user.user_id';
             } else {
                 $sql = 'SELECT session_course_user.user_id
                         FROM '.$tbl_session_course_user.' session_course_user
-                        LEFT JOIN ' . $tbl_track_login . ' stats_login
+                        LEFT JOIN ' . $tbl_track_login.' stats_login
                         ON session_course_user.user_id = stats_login.user_id
-                        INNER JOIN ' . $tableCourse . ' c
+                        INNER JOIN ' . $tableCourse.' c
                         ON (c.id = session_course_user.c_id)
                         WHERE
-                            session_course_user.c_id = ' . $courseId . ' AND
+                            session_course_user.c_id = ' . $courseId.' AND
                             stats_login.login_course_date IS NULL
                         GROUP BY session_course_user.user_id';
 
@@ -3758,7 +3758,7 @@ 
 
         $rs = Database::query($sql);
         $inactive_users = array();
-        while($user = Database::fetch_array($rs)) {
+        while ($user = Database::fetch_array($rs)) {
             $inactive_users[] = $user['user_id'];
         }
 
@@ -3780,10 +3780,10 @@ 
         $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
 
         $sql = 'SELECT '.$student_id.'
-                FROM ' . $table . '
+                FROM ' . $table.'
                 WHERE
-                    access_user_id=' . $student_id . ' AND
-                    c_id="' . $courseId . '" AND
+                    access_user_id=' . $student_id.' AND
+                    c_id="' . $courseId.'" AND
                     access_session_id = "'.$session_id.'" ';
 
         $rs = Database::query($sql);
@@ -3801,13 +3801,13 @@ 
     {
         $hr_dept_id = intval($hr_dept_id);
         $a_students = array();
-        $tbl_user     = Database :: get_main_table(TABLE_MAIN_USER);
+        $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
 
         $sql = 'SELECT DISTINCT user_id FROM '.$tbl_user.' as user
                 WHERE hr_dept_id='.$hr_dept_id;
         $rs = Database::query($sql);
 
-        while($user = Database :: fetch_array($rs)) {
+        while ($user = Database :: fetch_array($rs)) {
             $a_students[$user['user_id']] = $user['user_id'];
         }
 
@@ -3832,7 +3832,7 @@ 
         $condition_session     = '';
         if (isset($session_id)) {
             $session_id = intval($session_id);
-            $condition_session = ' AND access_session_id = '. $session_id;
+            $condition_session = ' AND access_session_id = '.$session_id;
         }
         $sql = "SELECT
                     access_tool,
@@ -3944,7 +3944,7 @@ 
             if (!empty($date_from) && !empty($date_to)) {
                 $fieldStartDate = $fields['start_date'];
                 if (!isset($fields['end_date'])) {
-                    $where .= sprintf(" AND ($fieldStartDate BETWEEN '%s' AND '%s' )", $date_from, $date_to) ;
+                    $where .= sprintf(" AND ($fieldStartDate BETWEEN '%s' AND '%s' )", $date_from, $date_to);
                 } else {
                     $fieldEndDate = $fields['end_date'];
                     $where .= sprintf(" AND fieldStartDate >= '%s'
@@ -3960,12 +3960,12 @@ 
                 $where
                 GROUP BY %s";
             $sql = sprintf($sql,
-                $fields['user'],    //user field
-                $tableName,         //FROM
-                $fields['course'],  //course condition
-                $course['real_id'],    //course condition
-                $fields['user'],    //user condition
-                $userId,            //user condition
+                $fields['user'], //user field
+                $tableName, //FROM
+                $fields['course'], //course condition
+                $course['real_id'], //course condition
+                $fields['user'], //user condition
+                $userId, //user condition
                 $fields['user']     //GROUP BY
                 );
             $rs = Database::query($sql);
@@ -3973,7 +3973,7 @@ 
             //iterate query
             if (Database::num_rows($rs) > 0) {
                 while ($row = Database::fetch_array($rs)) {
-                    $data[$row['user']] = (isset($data[$row['user']])) ?  $data[$row['user']] + $row[total]: $row['total'];
+                    $data[$row['user']] = (isset($data[$row['user']])) ? $data[$row['user']] + $row[total] : $row['total'];
                 }
             }
         }
@@ -3996,11 +3996,11 @@ 
         $courseId = api_get_course_int_id($course_code);
         $data = array();
 
-        $TABLETRACK_DOWNLOADS   = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
+        $TABLETRACK_DOWNLOADS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
         $condition_session = '';
         if (isset($session_id)) {
             $session_id = intval($session_id);
-            $condition_session = ' AND down_session_id = '. $session_id;
+            $condition_session = ' AND down_session_id = '.$session_id;
         }
         $sql = "SELECT down_doc_path, COUNT(DISTINCT down_user_id), COUNT(down_doc_path) as count_down
                 FROM $TABLETRACK_DOWNLOADS
@@ -4185,7 +4185,7 @@ 
 
             $final_course_data = array();
 
-            foreach($my_course_data as $course_id => $value) {
+            foreach ($my_course_data as $course_id => $value) {
                 $final_course_data[$course_id] = $course_list[$course_id];
             }
             $course_in_session[$my_session_id]['course_list'] = $final_course_data;
@@ -4206,7 +4206,7 @@ 
                           '.Display::tag('th', get_lang('Course'), array('width'=>'300px')).'
                           '.Display::tag('th', get_lang('TimeSpentInTheCourse'), array('class'=>'head')).'
                           '.Display::tag('th', get_lang('Progress'), array('class'=>'head')).'
-                          '.Display::tag('th', get_lang('Score').Display::return_icon('info3.gif', get_lang('ScormAndLPTestTotalAverage'), array('align' => 'absmiddle', 'hspace' => '3px')),array('class'=>'head')).'
+                          '.Display::tag('th', get_lang('Score').Display::return_icon('info3.gif', get_lang('ScormAndLPTestTotalAverage'), array('align' => 'absmiddle', 'hspace' => '3px')), array('class'=>'head')).'
                           '.Display::tag('th', get_lang('LastConnexion'), array('class'=>'head')).'
                           '.Display::tag('th', get_lang('Details'), array('class'=>'head')).'
                         </tr>';
@@ -4293,7 +4293,7 @@ 
             $all_exercise_start_time = array();
 
             foreach ($course_in_session as $my_session_id => $session_data) {
-                $course_list  = $session_data['course_list'];
+                $course_list = $session_data['course_list'];
                 $user_count = count(SessionManager::get_users_by_session($my_session_id));
                 $exercise_graph_name_list = array();
                 //$user_results = array();
@@ -4338,20 +4338,20 @@ 
 
                             $score = 0;
                             if (!empty($user_result_data['exe_weighting']) && intval($user_result_data['exe_weighting']) != 0) {
-                                $score = intval($user_result_data['exe_result']/$user_result_data['exe_weighting'] * 100);
+                                $score = intval($user_result_data['exe_result'] / $user_result_data['exe_weighting'] * 100);
                             }
                             $time = api_strtotime($exercise_data['start_time']) ? api_strtotime($exercise_data['start_time'], 'UTC') : 0;
                             $all_exercise_start_time[] = $time;
                             $my_results[] = $score;
-                            if (count($exercise_list)<=10) {
+                            if (count($exercise_list) <= 10) {
                                 $title = cut($course_data['title'], 30)." \n ".cut($exercise_data['title'], 30);
-                                $exercise_graph_name_list[]= $title;
+                                $exercise_graph_name_list[] = $title;
                                 $all_exercise_graph_name_list[] = $title;
                             } else {
                                 // if there are more than 10 results, space becomes difficult to find, so only show the title of the exercise, not the tool
                                 $title = cut($exercise_data['title'], 30);
-                                $exercise_graph_name_list[]= $title;
-                                $all_exercise_graph_name_list[]= $title;
+                                $exercise_graph_name_list[] = $title;
+                                $all_exercise_graph_name_list[] = $title;
                             }
                         }
                     }
@@ -4384,7 +4384,7 @@ 
             }
 
             $html .= Display::page_subheader(
-                Display::return_icon('session.png', get_lang('Sessions'), array(), ICON_SIZE_SMALL) . ' ' . get_lang('Sessions')
+                Display::return_icon('session.png', get_lang('Sessions'), array(), ICON_SIZE_SMALL).' '.get_lang('Sessions')
             );
 
             $html .= '<table class="data_table" width="100%">';
@@ -4434,7 +4434,7 @@ 
                                 $courseInfo['real_id'],
                                 $my_session_id
                             );
-                            if ($attempts > 1)  {
+                            if ($attempts > 1) {
                                 $answered_exercises++;
                             }
                         }
@@ -4447,7 +4447,7 @@ 
                     $all_average += $average;
                 }
 
-                $all_average = $all_average /  count($course_list);
+                $all_average = $all_average / count($course_list);
 
                 if (isset($_GET['session_id']) && $my_session_id == $_GET['session_id']) {
                     $html .= '<tr style="background-color:#FBF09D">';
@@ -4472,31 +4472,31 @@ 
                 $html .= '</tr>';
             }
             $html .= '</table><br />';
-            $html .= Display::div($main_session_graph, array('id'=>'session_graph','class'=>'chart-session', 'style'=>'position:relative; text-align: center;') );
+            $html .= Display::div($main_session_graph, array('id'=>'session_graph', 'class'=>'chart-session', 'style'=>'position:relative; text-align: center;'));
 
             // Checking selected session.
 
             if (isset($_GET['session_id'])) {
                 $session_id_from_get = intval($_GET['session_id']);
-                $session_data 	= $course_in_session[$session_id_from_get];
-                $course_list 	= $session_data['course_list'];
+                $session_data = $course_in_session[$session_id_from_get];
+                $course_list = $session_data['course_list'];
 
-                $html .= Display::tag('h3',$session_data['name'].' - '.get_lang('CourseList'));
+                $html .= Display::tag('h3', $session_data['name'].' - '.get_lang('CourseList'));
 
                 $html .= '<table class="data_table" width="100%">';
                 //'.Display::tag('th', get_lang('DoneExercises'),         array('class'=>'head')).'
                 $html .= '
                     <tr>
                       <th width="300px">'.get_lang('Course').'</th>
-                      '.Display::tag('th', get_lang('PublishedExercises'),    	array('class'=>'head')).'
-                      '.Display::tag('th', get_lang('NewExercises'),    		array('class'=>'head')).'
-                      '.Display::tag('th', get_lang('MyAverage'), 				array('class'=>'head')).'
-                      '.Display::tag('th', get_lang('AverageExerciseResult'), 	array('class'=>'head')).'
-                      '.Display::tag('th', get_lang('TimeSpentInTheCourse'),    array('class'=>'head')).'
-                      '.Display::tag('th', get_lang('LPProgress')     ,      	array('class'=>'head')).'
-                      '.Display::tag('th', get_lang('Score').Display::return_icon('info3.gif', get_lang('ScormAndLPTestTotalAverage'), array ('align' => 'absmiddle', 'hspace' => '3px')), array('class'=>'head')).'
-                      '.Display::tag('th', get_lang('LastConnexion'),         	array('class'=>'head')).'
-                      '.Display::tag('th', get_lang('Details'),               	array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('PublishedExercises'), array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('NewExercises'), array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('MyAverage'), array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('AverageExerciseResult'), array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('TimeSpentInTheCourse'), array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('LPProgress'), array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('Score').Display::return_icon('info3.gif', get_lang('ScormAndLPTestTotalAverage'), array('align' => 'absmiddle', 'hspace' => '3px')), array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('LastConnexion'), array('class'=>'head')).'
+                      '.Display::tag('th', get_lang('Details'), array('class'=>'head')).'
                     </tr>';
 
                 foreach ($course_list as $course_data) {
@@ -4512,14 +4512,14 @@ 
                         $count_exercises = count($exercises);
                     }
                     $answered_exercises = 0;
-                    foreach($exercises as $exercise_item) {
+                    foreach ($exercises as $exercise_item) {
                         $attempts = Event::count_exercise_attempts_by_user(
                             api_get_user_id(),
                             $exercise_item['id'],
                             $courseId,
                             $session_id_from_get
                         );
-                        if ($attempts > 1)  {
+                        if ($attempts > 1) {
                             $answered_exercises++;
                         }
                     }
@@ -4528,7 +4528,7 @@ 
 
                     // Average
                     $average = ExerciseLib::get_average_score_by_course($courseId, $session_id_from_get);
-                    $my_average	= ExerciseLib::get_average_score_by_course_by_user(api_get_user_id(), $courseId, $session_id_from_get);
+                    $my_average = ExerciseLib::get_average_score_by_course_by_user(api_get_user_id(), $courseId, $session_id_from_get);
 
                     $stats_array[$course_code] = array(
                         'exercises' => $count_exercises,
@@ -4598,11 +4598,11 @@ 
                     }
                     //Score
                     $html .= Display::tag('td', $percentage_score, array('align'=>'center'));
-                    $html .= Display::tag('td', $last_connection,  array('align'=>'center'));
+                    $html .= Display::tag('td', $last_connection, array('align'=>'center'));
 
                     if ($course_code == $courseCodeFromGet && $_GET['session_id'] == $session_id_from_get) {
                         $details = '<a href="#">';
-                        $details .=Display::return_icon('2rightarrow_na.png', get_lang('Details'));
+                        $details .= Display::return_icon('2rightarrow_na.png', get_lang('Details'));
                     } else {
                         $details = '<a href="'.api_get_self().'?course='.$course_code.'&session_id='.$session_id_from_get.$extra_params.'">';
                         $details .= Display::return_icon('2rightarrow.png', get_lang('Details'));
@@ -4725,7 +4725,7 @@ 
                         );
 
                         $latest_attempt_url = '';
-                        $best_score = $position = $percentage_score_result  = '-';
+                        $best_score = $position = $percentage_score_result = '-';
                         $graph = $normal_graph = null;
 
                         // Getting best results
@@ -4761,7 +4761,7 @@ 
                                 $percentage_score_result = Display::url(ExerciseLib::show_score($score, $weighting), $latest_attempt_url);
                                 $my_score = 0;
                                 if (!empty($weighting) && intval($weighting) != 0) {
-                                    $my_score = $score/$weighting;
+                                    $my_score = $score / $weighting;
                                 }
                                 //@todo this function slows the page
                                 $position = ExerciseLib::get_exercise_result_ranking($my_score, $exe_id, $exercices['id'], $course_info['code'], $session_id, $user_list);
@@ -4772,14 +4772,14 @@ 
                         }
                         $html .= Display::div(
                             $normal_graph,
-                            array('id'=>'main_graph_'.$exercices['id'],'class'=>'dialog', 'style'=>'display:none')
+                            array('id'=>'main_graph_'.$exercices['id'], 'class'=>'dialog', 'style'=>'display:none')
                         );
 
                         if (empty($graph)) {
                             $graph = '-';
                         } else {
                             $graph = Display::url(
-                                '<img src="' . $graph . '" >',
+                                '<img src="'.$graph.'" >',
                                 $normal_graph,
                                 array(
                                     'id' => $exercices['id'],
@@ -4812,7 +4812,7 @@ 
 
 
             // LP table results
-            $html .='<table class="data_table">';
+            $html .= '<table class="data_table">';
             $html .= Display::tag('th', get_lang('Learnpaths'), array('class'=>'head', 'style'=>'color:#000'));
             $html .= Display::tag('th', get_lang('LatencyTimeSpent'), array('class'=>'head', 'style'=>'color:#000'));
             $html .= Display::tag('th', get_lang('Progress'), array('class'=>'head', 'style'=>'color:#000'));
@@ -4866,7 +4866,7 @@ 
                     if (!empty($last_connection_in_lp)) {
                         $last_connection = api_convert_and_format_date($last_connection_in_lp, DATE_TIME_FORMAT_LONG);
                     }
-                    $html .= Display::tag('td', $last_connection, array('align'=>'center','width'=>'180px'));
+                    $html .= Display::tag('td', $last_connection, array('align'=>'center', 'width'=>'180px'));
                     $html .= "</tr>";
                 }
             } else {
@@ -4876,7 +4876,7 @@ 
                         </td>
                       </tr>';
             }
-            $html .='</table>';
+            $html .= '</table>';
         }
 
         return $html;
@@ -4903,7 +4903,7 @@ 
         $myData->setSerieDescription('Serie1', get_lang('MyResults'));
         $myData->setSerieDescription('Serie2', get_lang('AverageScore'));
         $myData->setAxisUnit(0, '%');
-        $myData->loadPalette(api_get_path(SYS_CODE_PATH) . 'palettes/pchart/default.color', true);
+        $myData->loadPalette(api_get_path(SYS_CODE_PATH).'palettes/pchart/default.color', true);
         // Cache definition
         $cachePath = api_get_path(SYS_ARCHIVE_PATH);
         $myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
@@ -4911,9 +4911,9 @@ 
 
         if ($myCache->isInCache($chartHash)) {
             //if we already created the img
-            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
             $myCache->saveFromCache($chartHash, $imgPath);
-            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
         } else {
             /* Define width, height and angle */
             $mainWidth = 860;
@@ -4942,7 +4942,7 @@ 
             /* Set the default font */
             $myPicture->setFontProperties(
                 array(
-                    'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
+                    'FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf',
                     'FontSize' => 10)
             );
             /* Write the chart title */
@@ -4959,7 +4959,7 @@ 
             /* Set the default font */
             $myPicture->setFontProperties(
                 array(
-                    'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
+                    'FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf',
                     'FontSize' => 6
                 )
             );
@@ -5001,7 +5001,7 @@ 
             /* Draw the line chart */
             $myPicture->setFontProperties(
                 array(
-                    'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
+                    'FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf',
                     'FontSize' => 10
                 )
             );
@@ -5034,12 +5034,12 @@ 
             );
 
             $myCache->writeToCache($chartHash, $myPicture);
-            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
             $myCache->saveFromCache($chartHash, $imgPath);
-            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
         }
 
-        $html = '<img src="' . $imgPath . '">';
+        $html = '<img src="'.$imgPath.'">';
 
         return $html;
     }
@@ -5060,12 +5060,12 @@ 
 
         foreach ($attempts as $attempt) {
             if (api_get_user_id() == $attempt['exe_user_id']) {
-                if ($attempt['exe_weighting'] != 0 ) {
-                    $my_exercise_result_array[]= $attempt['exe_result']/$attempt['exe_weighting'];
+                if ($attempt['exe_weighting'] != 0) {
+                    $my_exercise_result_array[] = $attempt['exe_result'] / $attempt['exe_weighting'];
                 }
             } else {
-                if ($attempt['exe_weighting'] != 0 ) {
-                    $exercise_result[]=  $attempt['exe_result']/$attempt['exe_weighting'];
+                if ($attempt['exe_weighting'] != 0) {
+                    $exercise_result[] = $attempt['exe_result'] / $attempt['exe_weighting'];
                 }
             }
         }
@@ -5074,27 +5074,27 @@ 
         rsort($my_exercise_result_array);
         $my_exercise_result = 0;
         if (isset($my_exercise_result_array[0])) {
-            $my_exercise_result = $my_exercise_result_array[0] *100;
+            $my_exercise_result = $my_exercise_result_array[0] * 100;
         }
 
         $max     = 100;
-        $pieces  = 5 ;
+        $pieces  = 5;
         $part    = round($max / $pieces);
         $x_axis = array();
         $final_array = array();
         $my_final_array = array();
 
-        for ($i=1; $i <=$pieces; $i++) {
+        for ($i = 1; $i <= $pieces; $i++) {
             $sum = 1;
             if ($i == 1) {
                 $sum = 0;
             }
-            $min = ($i-1)*$part + $sum;
-            $max = ($i)*$part;
-            $x_axis[]= $min." - ".$max;
+            $min = ($i - 1) * $part + $sum;
+            $max = ($i) * $part;
+            $x_axis[] = $min." - ".$max;
             $count = 0;
-            foreach($exercise_result as $result) {
-                $percentage = $result*100;
+            foreach ($exercise_result as $result) {
+                $percentage = $result * 100;
                 //echo $percentage.' - '.$min.' - '.$max."<br />";
                 if ($percentage >= $min && $percentage <= $max) {
                     //echo ' is > ';
@@ -5102,7 +5102,7 @@ 
                 }
             }
             //echo '<br />';
-            $final_array[]= $count;
+            $final_array[] = $count;
 
             if ($my_exercise_result >= $min && $my_exercise_result <= $max) {
                 $my_final_array[] = 1;
@@ -5112,9 +5112,9 @@ 
         }
 
         //Fix to remove the data of the user with my data
-        for($i = 0; $i<=count($my_final_array); $i++) {
+        for ($i = 0; $i <= count($my_final_array); $i++) {
             if (!empty($my_final_array[$i])) {
-                $my_final_array[$i] =  $final_array[$i] + 1; //Add my result
+                $my_final_array[$i] = $final_array[$i] + 1; //Add my result
                 $final_array[$i] = 0;
             }
         }
@@ -5124,16 +5124,16 @@ 
         $dataSet->addPoints($final_array, 'Serie1');
         $dataSet->addPoints($my_final_array, 'Serie2');
         $dataSet->normalize(100, "%");
-        $dataSet->loadPalette(api_get_path(SYS_CODE_PATH) . 'palettes/pchart/default.color', true);
+        $dataSet->loadPalette(api_get_path(SYS_CODE_PATH).'palettes/pchart/default.color', true);
 
         // Cache definition
         $cachePath = api_get_path(SYS_ARCHIVE_PATH);
         $myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
         $chartHash = $myCache->getHash($dataSet);
         if ($myCache->isInCache($chartHash)) {
-            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
             $myCache->saveFromCache($chartHash, $imgPath);
-            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
         } else {
             /* Create the pChart object */
             $widthSize = 80;
@@ -5149,7 +5149,7 @@ 
             $myPicture->drawRectangle(0, 0, $widthSize - 1, $heightSize - 1, array('R' => 0, 'G' => 0, 'B' => 0));
 
             /* Set the default font */
-            $myPicture->setFontProperties(array('FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf', 'FontSize' => $fontSize));
+            $myPicture->setFontProperties(array('FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf', 'FontSize' => $fontSize));
 
             /* Do not write the chart title */
 
@@ -5213,9 +5213,9 @@ 
 
             /* Save and write in cache */
             $myCache->writeToCache($chartHash, $myPicture);
-            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
             $myCache->saveFromCache($chartHash, $imgPath);
-            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
         }
 
         return $imgPath;
@@ -5235,12 +5235,12 @@ 
         }
         foreach ($attempts as $attempt) {
             if (api_get_user_id() == $attempt['exe_user_id']) {
-                if ($attempt['exe_weighting'] != 0 ) {
-                    $my_exercise_result_array[]= $attempt['exe_result']/$attempt['exe_weighting'];
+                if ($attempt['exe_weighting'] != 0) {
+                    $my_exercise_result_array[] = $attempt['exe_result'] / $attempt['exe_weighting'];
                 }
             } else {
-                if ($attempt['exe_weighting'] != 0 ) {
-                    $exercise_result[]=  $attempt['exe_result']/$attempt['exe_weighting'];
+                if ($attempt['exe_weighting'] != 0) {
+                    $exercise_result[] = $attempt['exe_result'] / $attempt['exe_weighting'];
                 }
             }
         }
@@ -5249,32 +5249,32 @@ 
         rsort($my_exercise_result_array);
         $my_exercise_result = 0;
         if (isset($my_exercise_result_array[0])) {
-            $my_exercise_result = $my_exercise_result_array[0] *100;
+            $my_exercise_result = $my_exercise_result_array[0] * 100;
         }
 
         $max = 100;
-        $pieces = 5 ;
+        $pieces = 5;
         $part = round($max / $pieces);
         $x_axis = array();
         $final_array = array();
         $my_final_array = array();
 
-        for ($i=1; $i <=$pieces; $i++) {
+        for ($i = 1; $i <= $pieces; $i++) {
             $sum = 1;
             if ($i == 1) {
                 $sum = 0;
             }
-            $min = ($i-1)*$part + $sum;
-            $max = ($i)*$part;
-            $x_axis[]= $min." - ".$max;
+            $min = ($i - 1) * $part + $sum;
+            $max = ($i) * $part;
+            $x_axis[] = $min." - ".$max;
             $count = 0;
-            foreach($exercise_result as $result) {
-                $percentage = $result*100;
+            foreach ($exercise_result as $result) {
+                $percentage = $result * 100;
                 if ($percentage >= $min && $percentage <= $max) {
                     $count++;
                 }
             }
-            $final_array[]= $count;
+            $final_array[] = $count;
 
             if ($my_exercise_result >= $min && $my_exercise_result <= $max) {
                 $my_final_array[] = 1;
@@ -5285,9 +5285,9 @@ 
 
         //Fix to remove the data of the user with my data
 
-        for($i = 0; $i<=count($my_final_array); $i++) {
+        for ($i = 0; $i <= count($my_final_array); $i++) {
             if (!empty($my_final_array[$i])) {
-                $my_final_array[$i] =  $final_array[$i] + 1; //Add my result
+                $my_final_array[$i] = $final_array[$i] + 1; //Add my result
                 $final_array[$i] = 0;
             }
         }
@@ -5305,7 +5305,7 @@ 
         $dataSet->setXAxisName(get_lang('Score'));
         $dataSet->normalize(100, "%");
 
-        $dataSet->loadPalette(api_get_path(SYS_CODE_PATH) . 'palettes/pchart/default.color', true);
+        $dataSet->loadPalette(api_get_path(SYS_CODE_PATH).'palettes/pchart/default.color', true);
 
         // Cache definition
         $cachePath = api_get_path(SYS_ARCHIVE_PATH);
@@ -5313,9 +5313,9 @@ 
         $chartHash = $myCache->getHash($dataSet);
 
         if ($myCache->isInCache($chartHash)) {
-            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
             $myCache->saveFromCache($chartHash, $imgPath);
-            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
         } else {
             /* Create the pChart object */
             $widthSize = 480;
@@ -5331,7 +5331,7 @@ 
             $myPicture->drawRectangle(0, 0, $widthSize - 1, $heightSize - 1, array('R' => 0, 'G' => 0, 'B' => 0));
 
             /* Set the default font */
-            $myPicture->setFontProperties(array('FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf', 'FontSize' => 10));
+            $myPicture->setFontProperties(array('FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf', 'FontSize' => 10));
 
             /* Write the chart title */
             $myPicture->drawText(
@@ -5390,9 +5390,9 @@ 
 
             /* Write and save into cache */
             $myCache->writeToCache($chartHash, $myPicture);
-            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
             $myCache->saveFromCache($chartHash, $imgPath);
-            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+            $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
         }
 
         return $imgPath;
@@ -5518,7 +5518,7 @@ 
                         $whereSessionParams .= $sessionIdx.',';
                     }
                 }
-                $whereSessionParams = substr($whereSessionParams,0,-1);
+                $whereSessionParams = substr($whereSessionParams, 0, -1);
             }
 
             if (!empty($exerciseId)) {
@@ -5579,7 +5579,7 @@ 
                     qq.position = rq.question_order AND
                     ta.question_id = rq.question_id
                 WHERE
-                    te.c_id = $courseIdx ".(empty($whereSessionParams)?'':"AND te.session_id IN ($whereSessionParams)")."
+                    te.c_id = $courseIdx ".(empty($whereSessionParams) ? '' : "AND te.session_id IN ($whereSessionParams)")."
                     AND q.c_id = $courseIdx
                     $where $order $limit";
             $sql_query = vsprintf($sql, $whereParams);
@@ -5627,7 +5627,7 @@ 
             // Now fill users data
             $sqlUsers = "SELECT user_id, username, lastname, firstname
                          FROM $tuser
-                         WHERE user_id IN (".implode(',',$userIds).")";
+                         WHERE user_id IN (".implode(',', $userIds).")";
             $resUsers = Database::query($sqlUsers);
             while ($rowUser = Database::fetch_assoc($resUsers)) {
                 $users[$rowUser['user_id']] = $rowUser;
@@ -5688,7 +5688,7 @@ 
     	        WHERE
                     track_resource.c_id = $course_id AND
                     track_resource.insert_user_id = user.user_id AND
-                    session_id " .(empty($session_id) ? ' IS NULL ' : " = $session_id ");
+                    session_id ".(empty($session_id) ? ' IS NULL ' : " = $session_id ");
 
     	if (isset($_GET['keyword'])) {
     		$keyword = Database::escape_string(trim($_GET['keyword']));
@@ -5746,7 +5746,7 @@ 
                 WHERE
                   track_resource.c_id = $course_id AND
                   track_resource.insert_user_id = user.user_id AND
-                  session_id " .(empty($session_id) ? ' IS NULL ' : " = $session_id ");
+                  session_id ".(empty($session_id) ? ' IS NULL ' : " = $session_id ");
 
     	if (isset($_GET['keyword'])) {
     		$keyword = Database::escape_string(trim($_GET['keyword']));
@@ -6040,7 +6040,7 @@ 
     public static function display_additional_profile_fields()
     {
     	// getting all the extra profile fields that are defined by the platform administrator
-    	$extra_fields = UserManager :: get_extra_fields(0,50,5,'ASC');
+    	$extra_fields = UserManager :: get_extra_fields(0, 50, 5, 'ASC');
 
     	// creating the form
     	$return = '<form action="courseLog.php" method="get" name="additional_profile_field_form" id="additional_profile_field_form">';
@@ -6052,8 +6052,8 @@ 
     	$extra_fields_to_show = 0;
     	foreach ($extra_fields as $key=>$field) {
     		// show only extra fields that are visible + and can be filtered, added by J.Montoya
-    		if ($field[6]==1 && $field[8] == 1) {
-    			if (isset($_GET['additional_profile_field']) && $field[0] == $_GET['additional_profile_field'] ) {
+    		if ($field[6] == 1 && $field[8] == 1) {
+    			if (isset($_GET['additional_profile_field']) && $field[0] == $_GET['additional_profile_field']) {
     				$selected = 'selected="selected"';
     			} else {
     				$selected = '';
@@ -6065,8 +6065,8 @@ 
     	$return .= '</select>';
 
     	// the form elements for the $_GET parameters (because the form is passed through GET
-    	foreach ($_GET as $key=>$value){
-    		if ($key <> 'additional_profile_field')    {
+    	foreach ($_GET as $key=>$value) {
+    		if ($key <> 'additional_profile_field') {
     			$return .= '<input type="hidden" name="'.Security::remove_XSS($key).'" value="'.Security::remove_XSS($value).'" />';
     		}
     	}
@@ -6103,21 +6103,21 @@ 
     	$result_extra_field = UserManager::get_extra_field_information($field_id);
 
     	if (!empty($users)) {
-    		if ($result_extra_field['field_type'] == UserManager::USER_FIELD_TYPE_TAG ) {
-    			foreach($users as $user_id) {
+    		if ($result_extra_field['field_type'] == UserManager::USER_FIELD_TYPE_TAG) {
+    			foreach ($users as $user_id) {
     				$user_result = UserManager::get_user_tags($user_id, $field_id);
     				$tag_list = array();
-    				foreach($user_result as $item) {
+    				foreach ($user_result as $item) {
     					$tag_list[] = $item['tag'];
     				}
-    				$return[$user_id][] = implode(', ',$tag_list);
+    				$return[$user_id][] = implode(', ', $tag_list);
     			}
     		} else {
     			$new_user_array = array();
     			foreach ($users as $user_id) {
-    				$new_user_array[]= "'".$user_id."'";
+    				$new_user_array[] = "'".$user_id."'";
     			}
-    			$users = implode(',',$new_user_array);
+    			$users = implode(',', $new_user_array);
                 $extraFieldType = EntityExtraField::USER_FIELD_TYPE;
     			// Selecting only the necessary information NOT ALL the user list
     			$sql = "SELECT user.user_id, v.value
@@ -6132,7 +6132,7 @@ 
                             user.user_id IN ($users)";
 
     			$result = Database::query($sql);
-    			while($row = Database::fetch_array($result)) {
+    			while ($row = Database::fetch_array($result)) {
     				// get option value for field type double select by id
     				if (!empty($row['value'])) {
     					if ($result_extra_field['field_type'] ==
@@ -6171,7 +6171,7 @@ 
 
     public function sort_users_desc($a, $b)
     {
-    	return strcmp( trim(api_strtolower($b[$_SESSION['tracking_column']])), trim(api_strtolower($a[$_SESSION['tracking_column']])));
+    	return strcmp(trim(api_strtolower($b[$_SESSION['tracking_column']])), trim(api_strtolower($a[$_SESSION['tracking_column']])));
     }
 
     /**
@@ -6206,7 +6206,7 @@ 
     	// get all users data from a course for sortable with limit
     	if (is_array($user_ids)) {
     		$user_ids = array_map('intval', $user_ids);
-    		$condition_user = " WHERE user.user_id IN (".implode(',',$user_ids).") ";
+    		$condition_user = " WHERE user.user_id IN (".implode(',', $user_ids).") ";
     	} else {
     		$user_ids = intval($user_ids);
     		$condition_user = " WHERE user.user_id = $user_ids ";
@@ -6214,7 +6214,7 @@ 
 
     	if (!empty($_GET['user_keyword'])) {
     		$keyword = trim(Database::escape_string($_GET['user_keyword']));
-    		$condition_user .=  " AND (
+    		$condition_user .= " AND (
                 user.firstname LIKE '%".$keyword."%' OR
                 user.lastname LIKE '%".$keyword."%'  OR
                 user.username LIKE '%".$keyword."%'  OR
@@ -6232,7 +6232,7 @@ 
         $invitedUsersCondition = '';
 
         if (!$includeInvitedUsers) {
-            $invitedUsersCondition = " AND user.status != " . INVITEE;
+            $invitedUsersCondition = " AND user.status != ".INVITEE;
         }
 
     	$sql = "SELECT  user.user_id as user_id,
@@ -6243,7 +6243,7 @@ 
                 FROM $tbl_user as user $url_table
     	        $condition_user $url_condition $invitedUsersCondition";
 
-    	if (!in_array($direction, array('ASC','DESC'))) {
+    	if (!in_array($direction, array('ASC', 'DESC'))) {
     		$direction = 'ASC';
     	}
 
@@ -6380,7 +6380,7 @@ 
     		}
 
             if (empty($session_id)) {
-                $user['survey'] = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0) .' / '.$total_surveys;
+                $user['survey'] = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0).' / '.$total_surveys;
             }
 
     		$user['link'] = '<center><a href="../mySpace/myStudents.php?student='.$user['user_id'].'&details=true&course='.$course_code.'&origin=tracking_course&id_session='.$session_id.'"><img src="'.api_get_path(WEB_IMG_PATH).'icons/22/2rightarrow.png" border="0" /></a></center>';
@@ -6390,35 +6390,35 @@ 
     		$is_western_name_order = api_is_western_name_order();
             $user_row = array();
 
-            $user_row[]= $user['official_code']; //0
+            $user_row[] = $user['official_code']; //0
 
             if ($is_western_name_order) {
-                $user_row[]= $user['firstname'];
-                $user_row[]= $user['lastname'];
+                $user_row[] = $user['firstname'];
+                $user_row[] = $user['lastname'];
             } else {
-                $user_row[]= $user['lastname'];
-                $user_row[]= $user['firstname'];
+                $user_row[] = $user['lastname'];
+                $user_row[] = $user['firstname'];
             }
-            $user_row[]= $user['username'];
-            $user_row[]= $user['time'];
-            $user_row[]= $user['average_progress'];
-            $user_row[]= $user['exercise_progress'];
-            $user_row[]= $user['exercise_average_best_attempt'];
-            $user_row[]= $user['student_score'];
-            $user_row[]= $user['count_assignments'];
-            $user_row[]= $user['count_messages'];
+            $user_row[] = $user['username'];
+            $user_row[] = $user['time'];
+            $user_row[] = $user['average_progress'];
+            $user_row[] = $user['exercise_progress'];
+            $user_row[] = $user['exercise_average_best_attempt'];
+            $user_row[] = $user['student_score'];
+            $user_row[] = $user['count_assignments'];
+            $user_row[] = $user['count_messages'];
 
             if (empty($session_id)) {
-                $user_row[]= $user['survey'];
+                $user_row[] = $user['survey'];
             }
 
-            $user_row[]= $user['first_connection'];
-            $user_row[]= $user['last_connection'];
+            $user_row[] = $user['first_connection'];
+            $user_row[] = $user['last_connection'];
             if (isset($_GET['additional_profile_field']) && is_numeric($_GET['additional_profile_field'])) {
-                $user_row[]= $user['additional'];
+                $user_row[] = $user['additional'];
             }
 
-            $user_row[]= $user['link'];
+            $user_row[] = $user['link'];
 
             $users[] = $user_row;
 
@@ -6463,8 +6463,8 @@ 
 
     	$track_access_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
     	$tempView = $view;
-    	if(substr($view,0,1) == '1') {
-    		$new_view = substr_replace($view,'0',0,1);
+    	if (substr($view, 0, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 0, 1);
     		echo "
                 <tr>
                     <td valign='top'>
@@ -6497,9 +6497,9 @@ 
                 </tr>";
     		$total = 0;
     		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
+    			for ($j = 0; $j < count($results); $j++) {
     				echo "<tr>";
-    				echo "<td class='content'><a href='logins_details.php?uInfo=".$user_id."&reqdate=".$results[$j][0]."&view=".Security::remove_XSS($view)."'>".$MonthsLong[date('n', $results[$j][0])-1].' '.date('Y', $results[$j][0])."</a></td>";
+    				echo "<td class='content'><a href='logins_details.php?uInfo=".$user_id."&reqdate=".$results[$j][0]."&view=".Security::remove_XSS($view)."'>".$MonthsLong[date('n', $results[$j][0]) - 1].' '.date('Y', $results[$j][0])."</a></td>";
     				echo "<td valign='top' align='right' class='content'>".$results[$j][1]."</td>";
     				echo"</tr>";
     				$total = $total + $results[$j][1];
@@ -6516,7 +6516,7 @@ 
     		echo "</table>";
     		echo "</td></tr>";
     	} else {
-    		$new_view = substr_replace($view,'1',0,1);
+    		$new_view = substr_replace($view, '1', 0, 1);
     		echo "
                 <tr>
                     <td valign='top'>
@@ -6539,8 +6539,8 @@ 
     {
     	global $TBL_TRACK_HOTPOTATOES, $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $dateTimeFormatLong;
         $courseId = api_get_course_int_id($courseCode);
-    	if(substr($view,1,1) == '1') {
-    		$new_view = substr_replace($view,'0',1,1);
+    	if (substr($view, 1, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 1, 1);
     		echo "<tr>
                     <td valign='top'>
                         <font color='#0000FF'>-&nbsp;&nbsp;&nbsp;</font><b>".get_lang('ExercicesResults')."</b>&nbsp;&nbsp;&nbsp;[<a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."'>".get_lang('Close')."</a>]&nbsp;&nbsp;&nbsp;[<a href='userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET['uInfo'])."&view=01000'>".get_lang('ExportAsCSV')."</a>]
@@ -6582,7 +6582,7 @@ 
                 </tr>";
 
     		if (is_array($results)) {
-    			for($i = 0; $i < sizeof($results); $i++) {
+    			for ($i = 0; $i < sizeof($results); $i++) {
     				$display_date = api_convert_and_format_date($results[$i][3], null, date_default_timezone_get());
     				echo "<tr>\n";
     				echo "<td class='content'>".$results[$i][0]."</td>\n";
@@ -6597,8 +6597,8 @@ 
 
     		// The Result of Tests
     		if (is_array($hpresults)) {
-    			for($i = 0; $i < sizeof($hpresults); $i++) {
-    				$title = GetQuizName($hpresults[$i][0],'');
+    			for ($i = 0; $i < sizeof($hpresults); $i++) {
+    				$title = GetQuizName($hpresults[$i][0], '');
     				if ($title == '')
     				$title = basename($hpresults[$i][0]);
     				$display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
@@ -6624,7 +6624,7 @@ 
     		echo "</table>";
     		echo "</td>\n</tr>\n";
     	} else {
-    		$new_view = substr_replace($view,'1',1,1);
+    		$new_view = substr_replace($view, '1', 1, 1);
     		echo "
                 <tr>
                     <td valign='top'>
@@ -6643,8 +6643,8 @@ 
     	global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK;
         $_course = api_get_course_info_by_id($course_id);
 
-    	if (substr($view,2,1) == '1') {
-    		$new_view = substr_replace($view,'0',2,1);
+    	if (substr($view, 2, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 2, 1);
     		echo "<tr>
                     <td valign='top'>
                     <font color='#0000FF'>-&nbsp;&nbsp;&nbsp;</font><b>".get_lang('WorkUploads')."</b>&nbsp;&nbsp;&nbsp;[<a href='".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."'>".get_lang('Close')."</a>]&nbsp;&nbsp;&nbsp;[<a href='userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET['uInfo'])."&view=00100'>".get_lang('ExportAsCSV')."</a>]
@@ -6658,7 +6658,7 @@ 
                         AND u.c_id = '".intval($course_id)."'
                     ORDER BY u.upload_date DESC";
     		echo "<tr><td style='padding-left : 40px;padding-right : 40px;'>";
-    		$results = StatsUtils::getManyResultsXCol($sql,4);
+    		$results = StatsUtils::getManyResultsXCol($sql, 4);
     		echo "<table cellpadding='2' cellspacing='1' border='0' align=center>";
     		echo "<tr>
                     <td class='secLine' width='40%'>
@@ -6672,7 +6672,7 @@ 
                     </td>
                 </tr>";
     		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
+    			for ($j = 0; $j < count($results); $j++) {
     				$pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
     				$beautifulDate = api_convert_and_format_date($results[$j][0], null, date_default_timezone_get());
     				echo "<tr>";
@@ -6691,7 +6691,7 @@ 
     		echo "</table>";
     		echo "</td></tr>";
     	} else {
-    		$new_view = substr_replace($view,'1',2,1);
+    		$new_view = substr_replace($view, '1', 2, 1);
     		echo "
                 <tr>
                     <td valign='top'>
@@ -6710,8 +6710,8 @@ 
     {
     	global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
         $courseId = api_get_course_int_id($courseCode);
-    	if (substr($view,3,1) == '1') {
-    		$new_view = substr_replace($view,'0',3,1);
+    	if (substr($view, 3, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 3, 1);
     		echo "
                 <tr>
                         <td valign='top'>
@@ -6735,7 +6735,7 @@ 
                     </td>
                 </tr>";
     		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
+    			for ($j = 0; $j < count($results); $j++) {
     				echo "<tr>";
     				echo "<td class='content'><a href='".$results[$j][1]."'>".$results[$j][0]."</a></td>";
     				echo"</tr>";
@@ -6748,7 +6748,7 @@ 
     		echo "</table>";
     		echo "</td></tr>";
     	} else {
-    		$new_view = substr_replace($view,'1',3,1);
+    		$new_view = substr_replace($view, '1', 3, 1);
     		echo "
                 <tr>
                     <td valign='top'>
@@ -6775,8 +6775,8 @@ 
     	$session_id = intval($session_id);
 
     	$downloads_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
-    	if(substr($view,4,1) == '1') {
-    		$new_view = substr_replace($view,'0',4,1);
+    	if (substr($view, 4, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 4, 1);
     		echo "
                 <tr>
                     <td valign='top'>
@@ -6802,7 +6802,7 @@ 
                     </td>
                 </tr>";
     		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
+    			for ($j = 0; $j < count($results); $j++) {
     				echo "<tr>";
     				echo "<td class='content'>".$results[$j]."</td>";
     				echo"</tr>";
@@ -6815,7 +6815,7 @@ 
     		echo "</table>";
     		echo "</td></tr>";
     	} else {
-    		$new_view = substr_replace($view,'1',4,1);
+    		$new_view = substr_replace($view, '1', 4, 1);
     		echo "
                 <tr>
                     <td valign='top'>
@@ -6849,11 +6849,11 @@ 
                    ORDER BY login_date DESC LIMIT 1";
         $ip = '';
         $res_ip = Database::query($sql_ip);
-        if ($res_ip !== false && Database::num_rows($res_ip)>0) {
+        if ($res_ip !== false && Database::num_rows($res_ip) > 0) {
             $row_ip = Database::fetch_row($res_ip);
             if ($return_as_link) {
                 $ip = Display::url(
-                    (empty($body_replace)?$row_ip[1]:$body_replace), 'http://www.whatsmyip.org/ip-geo-location/?ip='.$row_ip[1],
+                    (empty($body_replace) ? $row_ip[1] : $body_replace), 'http://www.whatsmyip.org/ip-geo-location/?ip='.$row_ip[1],
                     array('title'=>get_lang('TraceIP'), 'target'=>'_blank')
                 );
             } else {
@@ -6889,9 +6889,9 @@ 
     	$course_id  = intval($course_id);
 
     	$tempView = $view;
-    	if (substr($view,0,1) == '1') {
-    		$new_view = substr_replace($view,'0',0,1);
-    		$title[1]= get_lang('LoginsAndAccessTools').get_lang('LoginsDetails');
+    	if (substr($view, 0, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 0, 1);
+    		$title[1] = get_lang('LoginsAndAccessTools').get_lang('LoginsDetails');
     		$sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)
                     FROM $track_access_table
                     WHERE access_user_id = $user_id
@@ -6901,20 +6901,20 @@ 
                     ORDER BY YEAR(access_date),MONTH(access_date) ASC";
     		//$results = getManyResults2Col($sql);
     		$results = getManyResults3Col($sql);
-    		$title_line= get_lang('LoginsTitleMonthColumn').';'.get_lang('LoginsTitleCountColumn')."\n";
-    		$line='';
+    		$title_line = get_lang('LoginsTitleMonthColumn').';'.get_lang('LoginsTitleCountColumn')."\n";
+    		$line = '';
     		$total = 0;
     		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
+    			for ($j = 0; $j < count($results); $j++) {
     				$line .= $results[$j][0].';'.$results[$j][1]."\n";
     				$total = $total + $results[$j][1];
     			}
     			$line .= get_lang('Total').";".$total."\n";
     		} else {
-    			$line= get_lang('NoResult')."</center></td>";
+    			$line = get_lang('NoResult')."</center></td>";
     		}
     	} else {
-    		$new_view = substr_replace($view,'1',0,1);
+    		$new_view = substr_replace($view, '1', 0, 1);
     	}
     	return array($title_line, $line);
     }
@@ -6932,8 +6932,8 @@ 
     	global $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $TABLETRACK_HOTPOTATOES, $dateTimeFormatLong;
         $courseId = api_get_course_int_id($courseCode);
         $userId = intval($userId);
-    	if (substr($view,1,1) == '1') {
-    		$new_view = substr_replace($view,'0',1,1);
+    	if (substr($view, 1, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 1, 1);
     		$title[1] = get_lang('ExercicesDetails');
     		$line = '';
     		$sql = "SELECT ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
@@ -6957,7 +6957,7 @@ 
     		$title_line = get_lang('ExercicesTitleExerciceColumn').";".get_lang('Date').';'.get_lang('ExercicesTitleScoreColumn')."\n";
 
     		if (is_array($results)) {
-    			for($i = 0; $i < sizeof($results); $i++)
+    			for ($i = 0; $i < sizeof($results); $i++)
     			{
     				$display_date = api_convert_and_format_date($results[$i][3], null, date_default_timezone_get());
     				$line .= $results[$i][0].";".$display_date.";".$results[$i][1]." / ".$results[$i][2]."\n";
@@ -6969,8 +6969,8 @@ 
 
     		// The Result of Tests
     		if (is_array($hpresults)) {
-    			for($i = 0; $i < sizeof($hpresults); $i++) {
-    				$title = GetQuizName($hpresults[$i][0],'');
+    			for ($i = 0; $i < sizeof($hpresults); $i++) {
+    				$title = GetQuizName($hpresults[$i][0], '');
 
     				if ($title == '')
     				$title = basename($hpresults[$i][0]);
@@ -6984,10 +6984,10 @@ 
     		}
 
     		if ($NoTestRes == 1 && $NoHPTestRes == 1) {
-    			$line=get_lang('NoResult');
+    			$line = get_lang('NoResult');
     		}
     	} else {
-    		$new_view = substr_replace($view,'1',1,1);
+    		$new_view = substr_replace($view, '1', 1, 1);
     	}
     	return array($title_line, $line);
     }
@@ -7003,7 +7003,7 @@ 
         $user_id = intval($user_id);
         $course_id = intval($course_id);
 
-    	if (substr($view,2,1) == '1') {
+    	if (substr($view, 2, 1) == '1') {
     		$sql = "SELECT u.upload_date, w.title, w.author, w.url
                     FROM $TABLETRACK_UPLOADS u , $TABLECOURSE_WORK w
                     WHERE
@@ -7011,21 +7011,21 @@ 
                         u.upload_user_id = '$user_id' AND
                         u.c_id = '$course_id'
                     ORDER BY u.upload_date DESC";
-    		$results = StatsUtils::getManyResultsXCol($sql,4);
+    		$results = StatsUtils::getManyResultsXCol($sql, 4);
 
-    		$title[1]=get_lang('WorksDetails');
-    		$line='';
-    		$title_line=get_lang('WorkTitle').";".get_lang('WorkAuthors').";".get_lang('Date')."\n";
+    		$title[1] = get_lang('WorksDetails');
+    		$line = '';
+    		$title_line = get_lang('WorkTitle').";".get_lang('WorkAuthors').";".get_lang('Date')."\n";
 
     		if (is_array($results)) {
-    			for($j = 0 ; $j < count($results) ; $j++) {
+    			for ($j = 0; $j < count($results); $j++) {
     				$pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
     				$beautifulDate = api_convert_and_format_date($results[$j][0], null, date_default_timezone_get());
     				$line .= $results[$j][1].";".$results[$j][2].";".$beautifulDate."\n";
     			}
 
     		} else {
-    			$line= get_lang('NoResult');
+    			$line = get_lang('NoResult');
     		}
     	}
     	return array($title_line, $line);
@@ -7041,9 +7041,9 @@ 
         $courseId = api_get_course_int_id($courseCode);
         $userId = intval($userId);
         $line = null;
-    	if (substr($view,3,1) == '1') {
-    		$new_view = substr_replace($view,'0',3,1);
-    		$title[1]=get_lang('LinksDetails');
+    	if (substr($view, 3, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 3, 1);
+    		$title[1] = get_lang('LinksDetails');
     		$sql = "SELECT cl.title, cl.url
                         FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
                         WHERE sl.links_link_id = cl.id
@@ -7051,16 +7051,16 @@ 
                             AND sl.links_user_id = $userId
                         GROUP BY cl.title, cl.url";
     		$results = StatsUtils::getManyResults2Col($sql);
-    		$title_line= get_lang('LinksTitleLinkColumn')."\n";
+    		$title_line = get_lang('LinksTitleLinkColumn')."\n";
     		if (is_array($results)) {
-    			for ($j = 0 ; $j < count($results) ; $j++) {
+    			for ($j = 0; $j < count($results); $j++) {
     				$line .= $results[$j][0]."\n";
     			}
     		} else {
-    			$line=get_lang('NoResult');
+    			$line = get_lang('NoResult');
     		}
     	} else {
-    		$new_view = substr_replace($view,'1',3,1);
+    		$new_view = substr_replace($view, '1', 3, 1);
     	}
     	return array($title_line, $line);
     }
@@ -7082,9 +7082,9 @@ 
 
     	$downloads_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
 
-    	if (substr($view,4,1) == '1') {
-    		$new_view = substr_replace($view,'0',4,1);
-    		$title[1]= get_lang('DocumentsDetails');
+    	if (substr($view, 4, 1) == '1') {
+    		$new_view = substr_replace($view, '0', 4, 1);
+    		$title[1] = get_lang('DocumentsDetails');
 
     		$sql = "SELECT down_doc_path
                         FROM $downloads_table
@@ -7097,14 +7097,14 @@ 
     		$title_line = get_lang('DocumentsTitleDocumentColumn')."\n";
             $line = null;
     		if (is_array($results)) {
-    			for ($j = 0 ; $j < count($results) ; $j++) {
+    			for ($j = 0; $j < count($results); $j++) {
     				$line .= $results[$j]."\n";
     			}
     		} else {
     			$line = get_lang('NoResult');
     		}
     	} else {
-    		$new_view = substr_replace($view,'1',4,1);
+    		$new_view = substr_replace($view, '1', 4, 1);
     	}
     	return array($title_line, $line);
     }

Braces +74 added lines, -31 removed lines

@@ -2259,7 +2259,9 @@ 
             $debug = false;
         }
 
-        if ($debug) echo '<h1>Tracking::get_avg_student_score</h1>';
+        if ($debug) {
+            echo '<h1>Tracking::get_avg_student_score</h1>';
+        }
         $tbl_stats_exercices = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
         $tbl_stats_attempts = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 
@@ -2336,7 +2338,9 @@ 
                             $condition_user1 AND
                             session_id = $session_id
                         GROUP BY lp_id, user_id";
-                if ($debug) echo $sql;
+                if ($debug) {
+                    echo $sql;
+                }
 
                 $rs_last_lp_view_id = Database::query($sql);
 
@@ -2352,7 +2356,9 @@ 
                         $lp_view_id = $row_lp_view['id'];
                         $lp_id      = $row_lp_view['lp_id'];
                         $user_id    = $row_lp_view['user_id'];
-                        if ($debug) echo '<h2>LP id '.$lp_id.'</h2>';
+                        if ($debug) {
+                            echo '<h2>LP id '.$lp_id.'</h2>';
+                        }
 
                         if ($get_only_latest_attempt_results) {
                             //Getting lp_items done by the user
@@ -2409,7 +2415,9 @@ 
                                          lp_i.c_id  = $course_id AND
                                          (lp_i.item_type='sco' OR lp_i.item_type='".TOOL_QUIZ."')
                                       WHERE lp_view_id = $lp_view_id ";
-                            if ($debug) echo $sql.'<br />';
+                            if ($debug) {
+                                echo $sql.'<br />';
+                            }
                             $res_max_score = Database::query($sql);
 
                             while ($row_max_score = Database::fetch_array($res_max_score,'ASSOC')) {
@@ -2428,7 +2436,9 @@ 
                             $max_score_item_view = $row_max_score['max_score_item_view'];
                             $score = $row_max_score['score'];
 
-                            if ($debug) echo '<h3>Item Type: ' .$row_max_score['item_type'].'</h3>';
+                            if ($debug) {
+                                echo '<h3>Item Type: ' .$row_max_score['item_type'].'</h3>';
+                            }
 
                             if ($row_max_score['item_type'] == 'sco') {
                                 /* Check if it is sco (easier to get max_score)
@@ -2448,7 +2458,9 @@ 
                                 if (!empty($max_score)) {
                                     $lp_partial_total += $score/$max_score;
                                 }
-                                if ($debug) echo '<b>$lp_partial_total, $score, $max_score '.$lp_partial_total.' '.$score.' '.$max_score.'</b><br />';
+                                if ($debug) {
+                                    echo '<b>$lp_partial_total, $score, $max_score '.$lp_partial_total.' '.$score.' '.$max_score.'</b><br />';
+                                }
                             } else {
                                 // Case of a TOOL_QUIZ element
                                 $item_id = $row_max_score['iid'];
@@ -2470,12 +2482,16 @@ 
                                         ORDER BY exe_date DESC
                                         LIMIT 1";
 
-                                if ($debug) echo $sql .'<br />';
+                                if ($debug) {
+                                    echo $sql .'<br />';
+                                }
                                 $result_last_attempt = Database::query($sql);
                                 $num = Database :: num_rows($result_last_attempt);
                                 if ($num > 0 ) {
                                     $id_last_attempt = Database :: result($result_last_attempt, 0, 0);
-                                    if ($debug) echo $id_last_attempt.'<br />';
+                                    if ($debug) {
+                                        echo $id_last_attempt.'<br />';
+                                    }
 
                                     // Within the last attempt number tracking, get the sum of
                                     // the max_scores of all questions that it was
@@ -2494,7 +2510,9 @@ 
                                                     q.c_id = $course_id
                                             )
                                             AS t";
-                                    if ($debug) echo '$sql: '.$sql.' <br />';
+                                    if ($debug) {
+                                        echo '$sql: '.$sql.' <br />';
+                                    }
                                     $res_max_score_bis = Database::query($sql);
                                     $row_max_score_bis = Database::fetch_array($res_max_score_bis);
 
@@ -2504,7 +2522,9 @@ 
                                     if (!empty($max_score) && floatval($max_score) > 0) {
                                         $lp_partial_total += $score/$max_score;
                                     }
-                                    if ($debug) echo '$lp_partial_total, $score, $max_score <b>'.$lp_partial_total.' '.$score.' '.$max_score.'</b><br />';
+                                    if ($debug) {
+                                        echo '$lp_partial_total, $score, $max_score <b>'.$lp_partial_total.' '.$score.' '.$max_score.'</b><br />';
+                                    }
                                 }
                             }
 
@@ -2517,17 +2537,25 @@ 
                                         $count_items++;
                                     }
                                 }
-                                if ($debug) echo '$count_items: '.$count_items;
+                                if ($debug) {
+                                    echo '$count_items: '.$count_items;
+                                }
                             }
                         } //end for
 
                         $score_of_scorm_calculate += $count_items ? (($lp_partial_total / $count_items) * 100) : 0;
 
-                        if ($debug) echo '<h3>$count_items '.$count_items.'</h3>';
-                        if ($debug) echo '<h3>$score_of_scorm_calculate '.$score_of_scorm_calculate.'</h3>';
+                        if ($debug) {
+                            echo '<h3>$count_items '.$count_items.'</h3>';
+                        }
+                        if ($debug) {
+                            echo '<h3>$score_of_scorm_calculate '.$score_of_scorm_calculate.'</h3>';
+                        }
 
                         $global_result += $score_of_scorm_calculate;
-                        if ($debug) echo '<h3>$global_result '.$global_result.'</h3>';
+                        if ($debug) {
+                            echo '<h3>$global_result '.$global_result.'</h3>';
+                        }
                     } // end while
                 }
 
@@ -2540,7 +2568,9 @@ 
                                 c_id = $course_id AND
                                 (item_type = 'quiz' OR item_type = 'sco') AND
                                 lp_id = ".$lp_id;
-                    if ($debug) echo $sql;
+                    if ($debug) {
+                        echo $sql;
+                    }
                     $result_have_quiz = Database::query($sql);
 
                     if (Database::num_rows($result_have_quiz) > 0 ) {
@@ -2551,19 +2581,29 @@ 
                     }
                 }
 
-                if ($debug) echo '<h3>$lp_with_quiz '.$lp_with_quiz.' </h3>';
-                if ($debug) echo '<h3>Final return</h3>';
+                if ($debug) {
+                    echo '<h3>$lp_with_quiz '.$lp_with_quiz.' </h3>';
+                }
+                if ($debug) {
+                    echo '<h3>Final return</h3>';
+                }
 
                 if ($lp_with_quiz != 0) {
                     if (!$return_array) {
                         $score_of_scorm_calculate = round(($global_result/$lp_with_quiz),2);
-                        if ($debug) var_dump($score_of_scorm_calculate);
+                        if ($debug) {
+                            var_dump($score_of_scorm_calculate);
+                        }
                         if (empty($lp_ids)) {
-                            if ($debug) echo '<h2>All lps fix: '.$score_of_scorm_calculate.'</h2>';
+                            if ($debug) {
+                                echo '<h2>All lps fix: '.$score_of_scorm_calculate.'</h2>';
+                            }
                         }
                         return $score_of_scorm_calculate;
                     } else {
-                        if ($debug) var_dump($global_result, $lp_with_quiz);
+                        if ($debug) {
+                            var_dump($global_result, $lp_with_quiz);
+                        }
                         return array($global_result, $lp_with_quiz);
                     }
                 } else {
@@ -3050,11 +3090,13 @@ 
 
         if (!empty ($id_session)) {
             $sql .= ' WHERE session_course.session_id=' . $id_session;
-            if (api_is_multiple_url_enabled())
-            $sql .=  ' AND access_url_id = '.$access_url_id;
-        }  else {
-            if (api_is_multiple_url_enabled())
-            $sql .=  ' WHERE access_url_id = '.$access_url_id;
+            if (api_is_multiple_url_enabled()) {
+                        $sql .=  ' AND access_url_id = '.$access_url_id;
+            }
+        } else {
+            if (api_is_multiple_url_enabled()) {
+                        $sql .=  ' WHERE access_url_id = '.$access_url_id;
+            }
         }
 
         $result = Database::query($sql);
@@ -3162,8 +3204,7 @@ 
                 if ($session['access_start_date'] == '0000-00-00 00:00:00' || empty($session['access_start_date'])
                 ) {
                     $session['status'] = get_lang('SessionActive');
-                }
-                else {
+                } else {
                     $time_start = api_strtotime($session['access_start_date'], 'UTC');
                     $time_end = api_strtotime($session['access_end_date'], 'UTC');
                     if ($time_start < time() && time() < $time_end) {
@@ -6599,8 +6640,9 @@ 
     		if (is_array($hpresults)) {
     			for($i = 0; $i < sizeof($hpresults); $i++) {
     				$title = GetQuizName($hpresults[$i][0],'');
-    				if ($title == '')
-    				$title = basename($hpresults[$i][0]);
+    				if ($title == '') {
+    				    				$title = basename($hpresults[$i][0]);
+    				}
     				$display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
     				?>
                     <tr>
@@ -6972,8 +7014,9 @@ 
     			for($i = 0; $i < sizeof($hpresults); $i++) {
     				$title = GetQuizName($hpresults[$i][0],'');
 
-    				if ($title == '')
-    				$title = basename($hpresults[$i][0]);
+    				if ($title == '') {
+    				    				$title = basename($hpresults[$i][0]);
+    				}
 
     				$display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
 

main/inc/lib/urlmanager.lib.php

Doc Comments +16 added lines, -14 removed lines

@@ -18,7 +18,7 @@ 
     * @param	string	$url The URL of the site
     * @param	string  $description The description of the site
     * @param	int		$active is active or not
-    * @return boolean if success
+    * @return Doctrine\DBAL\Driver\Statement|null if success
     */
     public static function add($url, $description, $active)
     {
@@ -43,7 +43,7 @@ 
     * @param	string 	$url
     * @param	string  $description The description of the site
     * @param	int		$active is active or not
-    * @return 	boolean if success
+    * @return 	Doctrine\DBAL\Driver\Statement|null if success
     */
     public static function update($url_id, $url, $description, $active)
     {
@@ -67,7 +67,7 @@ 
     * @author Julio Montoya
     * @param int $id url id
      *
-    * @return boolean true if success
+    * @return Doctrine\DBAL\Driver\Statement|null true if success
     * */
     public static function delete($id)
     {
@@ -366,7 +366,7 @@ 
     * @author Julio Montoya
     * @param int user id
     * @param int url id
-    * @return boolean true if success
+    * @return integer true if success
     * */
     public static function relation_url_user_exist($user_id, $url_id)
     {
@@ -384,7 +384,7 @@ 
     * @author Julio Montoya
     * @param int $courseId
     * @param int $urlId
-    * @return boolean true if success
+    * @return integer true if success
     * */
     public static function relation_url_course_exist($courseId, $urlId)
     {
@@ -405,7 +405,7 @@ 
      * @author Julio Montoya
      * @param int $userGroupId
      * @param int $urlId
-     * @return boolean true if success
+     * @return integer true if success
      * */
     public static function relationUrlUsergroupExist($userGroupId, $urlId)
     {
@@ -424,7 +424,7 @@ 
     * @author Julio Montoya
     * @param int user id
     * @param int url id
-    * @return boolean true if success
+    * @return integer true if success
     * */
     public static function relation_url_session_exist($session_id, $url_id)
     {
@@ -545,6 +545,8 @@ 
      * @author Julio Montoya
      * @param  array of course ids
      * @param  array of url_ids
+     * @param integer[] $courseCategoryList
+     * @param integer[] $urlList
      * @return array
      **/
     public static function addCourseCategoryListToUrl($courseCategoryList, $urlList)
@@ -575,7 +577,7 @@ 
      * @author Julio Montoya
      * @param int $categoryCourseId
      * @param int $urlId
-     * @return boolean true if success
+     * @return integer true if success
      * */
     public static function relationUrlCourseCategoryExist($categoryCourseId, $urlId)
     {
@@ -592,7 +594,7 @@ 
     /**
      * @param int $userGroupId
      * @param int $urlId
-     * @return int
+     * @return string
      */
     public static function addUserGroupToUrl($userGroupId, $urlId)
     {
@@ -692,7 +694,7 @@ 
      * @param int $courseId
      * @param int $url_id
      *
-     * @return resource
+     * @return boolean
      */
     public static function add_course_to_url($courseId, $url_id = 1)
     {
@@ -763,7 +765,7 @@ 
     * @param  int  $courseId
     * @param  int  $urlId
      *
-    * @return boolean true if success
+    * @return Doctrine\DBAL\Driver\Statement|null true if success
     * */
     public static function delete_url_rel_course($courseId, $urlId)
     {
@@ -781,7 +783,7 @@ 
      * @param  int $userGroupId
      * @param  int $urlId
      *
-     * @return boolean true if success
+     * @return Doctrine\DBAL\Driver\Statement|null true if success
      * */
     public static function delete_url_rel_usergroup($userGroupId, $urlId)
     {
@@ -800,7 +802,7 @@ 
      * @param  int $userGroupId
      * @param  int $urlId
      *
-     * @return boolean true if success
+     * @return Doctrine\DBAL\Driver\Statement|null true if success
      * */
     public static function deleteUrlRelCourseCategory($userGroupId, $urlId)
     {
@@ -819,7 +821,7 @@ 
     * @param  char  course code
     * @param  int url id
      *
-    * @return boolean true if success
+    * @return Doctrine\DBAL\Driver\Statement|null true if success
     * */
     public static function delete_url_rel_session($session_id, $url_id)
     {

Indentation +66 added lines, -66 removed lines

@@ -11,15 +11,15 @@ 
 class UrlManager
 {
     /**
-    * Creates a new url access
-    *
-    * @author Julio Montoya <gugli100@gmail.com>,
-    *
-    * @param	string	$url The URL of the site
-    * @param	string  $description The description of the site
-    * @param	int		$active is active or not
-    * @return boolean if success
-    */
+     * Creates a new url access
+     *
+     * @author Julio Montoya <gugli100@gmail.com>,
+     *
+     * @param	string	$url The URL of the site
+     * @param	string  $description The description of the site
+     * @param	int		$active is active or not
+     * @return boolean if success
+     */
     public static function add($url, $description, $active)
     {
         $tms = time();
@@ -36,15 +36,15 @@ 
     }
 
     /**
-    * Updates an URL access
-    * @author Julio Montoya <gugli100@gmail.com>,
-    *
-    * @param	int 	$url_id The url id
-    * @param	string 	$url
-    * @param	string  $description The description of the site
-    * @param	int		$active is active or not
-    * @return 	boolean if success
-    */
+     * Updates an URL access
+     * @author Julio Montoya <gugli100@gmail.com>,
+     *
+     * @param	int 	$url_id The url id
+     * @param	string 	$url
+     * @param	string  $description The description of the site
+     * @param	int		$active is active or not
+     * @return 	boolean if success
+     */
     public static function update($url_id, $url, $description, $active)
     {
         $url_id = intval($url_id);
@@ -63,12 +63,12 @@ 
     }
 
     /**
-    * Deletes an url
-    * @author Julio Montoya
-    * @param int $id url id
+     * Deletes an url
+     * @author Julio Montoya
+     * @param int $id url id
      *
-    * @return boolean true if success
-    * */
+     * @return boolean true if success
+     * */
     public static function delete($id)
     {
         $id = intval($id);
@@ -200,12 +200,12 @@ 
     }
 
     /**
-    * Gets the inner join of access_url and the course table
-    *
-    * @author Julio Montoya
-    * @param int  access url id
-    * @return array   Database::store_result of the result
-    **/
+     * Gets the inner join of access_url and the course table
+     *
+     * @author Julio Montoya
+     * @param int  access url id
+     * @return array   Database::store_result of the result
+     **/
     public static function get_url_rel_course_data($access_url_id = null)
     {
         $where = '';
@@ -362,12 +362,12 @@ 
     }
 
     /**
-    * Checks the relationship between an URL and a User (return the num_rows)
-    * @author Julio Montoya
-    * @param int user id
-    * @param int url id
-    * @return boolean true if success
-    * */
+     * Checks the relationship between an URL and a User (return the num_rows)
+     * @author Julio Montoya
+     * @param int user id
+     * @param int url id
+     * @return boolean true if success
+     * */
     public static function relation_url_user_exist($user_id, $url_id)
     {
         $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
@@ -377,15 +377,15 @@ 
         $num = Database::num_rows($result);
 
         return $num;
-	}
+    }
 
     /**
-    * Checks the relationship between an URL and a Course (return the num_rows)
-    * @author Julio Montoya
-    * @param int $courseId
-    * @param int $urlId
-    * @return boolean true if success
-    * */
+     * Checks the relationship between an URL and a Course (return the num_rows)
+     * @author Julio Montoya
+     * @param int $courseId
+     * @param int $urlId
+     * @return boolean true if success
+     * */
     public static function relation_url_course_exist($courseId, $urlId)
     {
         $table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
@@ -420,12 +420,12 @@ 
     }
 
     /**
-    * Checks the relationship between an URL and a Session (return the num_rows)
-    * @author Julio Montoya
-    * @param int user id
-    * @param int url id
-    * @return boolean true if success
-    * */
+     * Checks the relationship between an URL and a Session (return the num_rows)
+     * @author Julio Montoya
+     * @param int user id
+     * @param int url id
+     * @return boolean true if success
+     * */
     public static function relation_url_session_exist($session_id, $url_id)
     {
         $table_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
@@ -737,13 +737,13 @@ 
     }
 
     /**
-    * Deletes an url and user relationship
-    * @author Julio Montoya
-    * @param int user id
-    * @param int url id
+     * Deletes an url and user relationship
+     * @author Julio Montoya
+     * @param int user id
+     * @param int url id
      *
-    * @return boolean true if success
-    * */
+     * @return boolean true if success
+     * */
     public static function delete_url_rel_user($user_id, $url_id)
     {
         $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
@@ -758,13 +758,13 @@ 
     }
 
     /**
-    * Deletes an url and course relationship
-    * @author Julio Montoya
-    * @param  int  $courseId
-    * @param  int  $urlId
+     * Deletes an url and course relationship
+     * @author Julio Montoya
+     * @param  int  $courseId
+     * @param  int  $urlId
      *
-    * @return boolean true if success
-    * */
+     * @return boolean true if success
+     * */
     public static function delete_url_rel_course($courseId, $urlId)
     {
         $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
@@ -814,13 +814,13 @@ 
     }
 
     /**
-    * Deletes an url and session relationship
-    * @author Julio Montoya
-    * @param  char  course code
-    * @param  int url id
+     * Deletes an url and session relationship
+     * @author Julio Montoya
+     * @param  char  course code
+     * @param  int url id
      *
-    * @return boolean true if success
-    * */
+     * @return boolean true if success
+     * */
     public static function delete_url_rel_session($session_id, $url_id)
     {
         $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);

Spacing +43 added lines, -43 removed lines

@@ -23,7 +23,7 @@ 
     public static function add($url, $description, $active)
     {
         $tms = time();
-        $table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
+        $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
         $sql = "INSERT INTO $table
                 SET url 	= '".Database::escape_string($url)."',
                 description = '".Database::escape_string($description)."',
@@ -73,7 +73,7 @@ 
     {
         $id = intval($id);
         $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
-        $sql= "DELETE FROM $table WHERE id = ".$id;
+        $sql = "DELETE FROM $table WHERE id = ".$id;
         $result = Database::query($sql);
 
         return $result;
@@ -86,7 +86,7 @@ 
      */
     public static function url_exist($url)
     {
-        $table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
+        $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
         $sql = "SELECT id FROM $table
                 WHERE url = '".Database::escape_string($url)."' ";
         $res = Database::query($sql);
@@ -120,10 +120,10 @@ 
      * */
     public static function url_count()
     {
-        $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
+        $table_access_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
         $sql = "SELECT count(id) as count_result FROM $table_access_url";
         $res = Database::query($sql);
-        $url = Database::fetch_array($res,'ASSOC');
+        $url = Database::fetch_array($res, 'ASSOC');
         $result = $url['count_result'];
 
         return $result;
@@ -141,7 +141,7 @@ 
                 FROM $table
                 ORDER BY id";
         $res = Database::query($sql);
-        $urls = array ();
+        $urls = array();
         while ($url = Database::fetch_array($res)) {
             $urls[] = $url;
         }
@@ -258,12 +258,12 @@ 
      **/
     public static function get_url_rel_session_data($access_url_id = null)
     {
-        $where ='';
+        $where = '';
         $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
         $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
 
         if (!empty($access_url_id))
-            $where ="WHERE $table_url_rel_session.access_url_id = ".intval($access_url_id);
+            $where = "WHERE $table_url_rel_session.access_url_id = ".intval($access_url_id);
 
         $sql = "SELECT id, name, access_url_id
                 FROM $tbl_session u
@@ -293,7 +293,7 @@ 
         $table_user_group = Database::get_main_table(TABLE_USERGROUP);
 
         if (!empty($access_url_id)) {
-            $where ="WHERE $table_url_rel_usergroup.access_url_id = ".intval($access_url_id);
+            $where = "WHERE $table_url_rel_usergroup.access_url_id = ".intval($access_url_id);
         }
 
         $sql = "SELECT id, name, access_url_id
@@ -371,7 +371,7 @@ 
     public static function relation_url_user_exist($user_id, $url_id)
     {
         $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $sql= "SELECT user_id FROM $table
+        $sql = "SELECT user_id FROM $table
                WHERE access_url_id = ".intval($url_id)." AND user_id = ".intval($user_id)." ";
         $result = Database::query($sql);
         $num = Database::num_rows($result);
@@ -389,7 +389,7 @@ 
     public static function relation_url_course_exist($courseId, $urlId)
     {
         $table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-        $sql= "SELECT c_id FROM $table_url_rel_course
+        $sql = "SELECT c_id FROM $table_url_rel_course
                WHERE
                     access_url_id = ".intval($urlId)." AND
                     c_id = '".intval($courseId)."'";
@@ -410,7 +410,7 @@ 
     public static function relationUrlUsergroupExist($userGroupId, $urlId)
     {
         $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
-        $sql= "SELECT usergroup_id FROM $table
+        $sql = "SELECT usergroup_id FROM $table
                WHERE access_url_id = ".intval($urlId)." AND
                      usergroup_id = ".intval($userGroupId);
         $result = Database::query($sql);
@@ -428,9 +428,9 @@ 
     * */
     public static function relation_url_session_exist($session_id, $url_id)
     {
-        $table_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
         $session_id = intval($session_id);
-        $url_id		= intval($url_id);
+        $url_id = intval($url_id);
         $sql = "SELECT session_id FROM $table_url_rel_session
                 WHERE
                     access_url_id = ".intval($url_id)." AND
@@ -453,11 +453,11 @@ 
         $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $result_array = array();
 
-        if (is_array($user_list) && is_array($url_list)){
+        if (is_array($user_list) && is_array($url_list)) {
             foreach ($url_list as $url_id) {
                 foreach ($user_list as $user_id) {
-                    $count = UrlManager::relation_url_user_exist($user_id,$url_id);
-                    if ($count==0) {
+                    $count = UrlManager::relation_url_user_exist($user_id, $url_id);
+                    if ($count == 0) {
                         $sql = "INSERT INTO $table_url_rel_user
                                 SET user_id = ".intval($user_id).", access_url_id = ".intval($url_id);
                         $result = Database::query($sql);
@@ -482,19 +482,19 @@ 
      * @param  array of url_ids
      * @return array
      **/
-    public static function add_courses_to_urls($course_list,$url_list)
+    public static function add_courses_to_urls($course_list, $url_list)
     {
         $table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
         $result_array = array();
 
-        if (is_array($course_list) && is_array($url_list)){
+        if (is_array($course_list) && is_array($url_list)) {
             foreach ($url_list as $url_id) {
                 foreach ($course_list as $course_code) {
                     $courseInfo = api_get_course_info($course_code);
                     $courseId = $courseInfo['real_id'];
 
                     $count = self::relation_url_course_exist($courseId, $url_id);
-                    if ($count==0) {
+                    if ($count == 0) {
                         $sql = "INSERT INTO $table_url_rel_course
                                 SET c_id = '".$courseId."', access_url_id = ".intval($url_id);
                         $result = Database::query($sql);
@@ -580,7 +580,7 @@ 
     public static function relationUrlCourseCategoryExist($categoryCourseId, $urlId)
     {
         $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
-        $sql= "SELECT course_category_id FROM $table
+        $sql = "SELECT course_category_id FROM $table
                WHERE access_url_id = ".intval($urlId)." AND
                      course_category_id = ".intval($categoryCourseId);
         $result = Database::query($sql);
@@ -749,7 +749,7 @@ 
         $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $result = true;
         if (!empty($user_id) && !empty($url_id)) {
-            $sql= "DELETE FROM $table_url_rel_user
+            $sql = "DELETE FROM $table_url_rel_user
                    WHERE user_id = ".intval($user_id)." AND access_url_id = ".intval($url_id);
             $result = Database::query($sql);
         }
@@ -767,8 +767,8 @@ 
     * */
     public static function delete_url_rel_course($courseId, $urlId)
     {
-        $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-        $sql= "DELETE FROM $table_url_rel_course
+        $table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+        $sql = "DELETE FROM $table_url_rel_course
                WHERE c_id = '".intval($courseId)."' AND access_url_id=".intval($urlId)."  ";
         $result = Database::query($sql);
 
@@ -786,7 +786,7 @@ 
     public static function delete_url_rel_usergroup($userGroupId, $urlId)
     {
         $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
-        $sql= "DELETE FROM $table
+        $sql = "DELETE FROM $table
                WHERE usergroup_id = '".intval($userGroupId)."' AND
                      access_url_id=".intval($urlId)."  ";
         $result = Database::query($sql);
@@ -805,7 +805,7 @@ 
     public static function deleteUrlRelCourseCategory($userGroupId, $urlId)
     {
         $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
-        $sql= "DELETE FROM $table
+        $sql = "DELETE FROM $table
                WHERE course_category_id = '".intval($userGroupId)."' AND
                      access_url_id=".intval($urlId)."  ";
         $result = Database::query($sql);
@@ -824,9 +824,9 @@ 
     public static function delete_url_rel_session($session_id, $url_id)
     {
         $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-        $sql= "DELETE FROM $table_url_rel_session
+        $sql = "DELETE FROM $table_url_rel_session
                WHERE session_id = ".intval($session_id)." AND access_url_id=".intval($url_id)."  ";
-        $result = Database::query($sql,'ASSOC');
+        $result = Database::query($sql, 'ASSOC');
 
         return $result;
     }
@@ -839,7 +839,7 @@ 
      * */
     public static function update_urls_rel_user($user_list, $access_url_id)
     {
-        $table_url_rel_user	= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $sql = "SELECT user_id FROM $table_url_rel_user WHERE access_url_id = ".intval($access_url_id);
         $result = Database::query($sql);
         $existing_users = array();
@@ -893,7 +893,7 @@ 
         $result = Database::query($sql);
 
         $existing_courses = array();
-        while ($row = Database::fetch_array($result)){
+        while ($row = Database::fetch_array($result)) {
             $existing_courses[] = $row['c_id'];
         }
 
@@ -926,7 +926,7 @@ 
         $result = Database::query($sql);
         $existingItems = array();
 
-        while ($row = Database::fetch_array($result)){
+        while ($row = Database::fetch_array($result)) {
             $existingItems[] = $row['usergroup_id'];
         }
 
@@ -959,7 +959,7 @@ 
         $result = Database::query($sql);
         $existingItems = array();
 
-        while ($row = Database::fetch_array($result)){
+        while ($row = Database::fetch_array($result)) {
             $existingItems[] = $row['course_category_id'];
         }
 
@@ -1000,15 +1000,15 @@ 
      * @param array user list
      * @param int access_url_id
      * */
-    public static function update_urls_rel_session($session_list,$access_url_id)
+    public static function update_urls_rel_session($session_list, $access_url_id)
     {
-        $table_url_rel_session	= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
 
         $sql = "SELECT session_id FROM $table_url_rel_session WHERE access_url_id=".intval($access_url_id);
         $result = Database::query($sql);
         $existing_sessions = array();
 
-        while ($row = Database::fetch_array($result)){
+        while ($row = Database::fetch_array($result)) {
             $existing_sessions[] = $row['session_id'];
         }
 
@@ -1037,13 +1037,13 @@ 
      */
     public static function get_access_url_from_user($user_id)
     {
-        $table_url_rel_user	= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $table_url	= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
+        $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $table_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
         $sql = "SELECT url, access_url_id FROM $table_url_rel_user url_rel_user INNER JOIN $table_url u
                 ON (url_rel_user.access_url_id = u.id)
                 WHERE user_id = ".intval($user_id);
         $result = Database::query($sql);
-        $url_list = Database::store_result($result,'ASSOC');
+        $url_list = Database::store_result($result, 'ASSOC');
         return $url_list;
     }
 
@@ -1053,14 +1053,14 @@ 
      */
     public static function get_access_url_from_course($courseId)
     {
-        $table	= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-        $table_url	= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
+        $table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+        $table_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
         $sql = "SELECT url, access_url_id FROM $table c INNER JOIN $table_url u
                 ON (c.access_url_id = u.id)
                 WHERE c_id = ".intval($courseId);
 
         $result = Database::query($sql);
-        $url_list = Database::store_result($result,'ASSOC');
+        $url_list = Database::store_result($result, 'ASSOC');
         return $url_list;
     }
 
@@ -1071,7 +1071,7 @@ 
     public static function get_access_url_from_session($session_id)
     {
         $table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-        $table_url  = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
+        $table_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
         $sql = "SELECT url, access_url_id FROM $table_url_rel_session url_rel_session INNER JOIN $table_url u
                 ON (url_rel_session.access_url_id = u.id)
                 WHERE session_id = ".intval($session_id);
@@ -1087,7 +1087,7 @@ 
      */
     public static function get_url_id($url)
     {
-        $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
+        $table_access_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
         $sql = "SELECT id FROM $table_access_url WHERE url = '".Database::escape_string($url)."'";
         $result = Database::query($sql);
         $access_url_id = Database::result($result, 0, 0);

Braces +3 added lines, -2 removed lines

@@ -262,8 +262,9 @@
         $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
         $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
 
-        if (!empty($access_url_id))
-            $where ="WHERE $table_url_rel_session.access_url_id = ".intval($access_url_id);
+        if (!empty($access_url_id)) {
+                    $where ="WHERE $table_url_rel_session.access_url_id = ".intval($access_url_id);
+        }
 
         $sql = "SELECT id, name, access_url_id
                 FROM $tbl_session u

main/inc/lib/usergroup.lib.php

Doc Comments +12 added lines, -6 removed lines

@@ -1013,7 +1013,7 @@ 
      * @param int    $groupId
      * @param string $picture
      *
-     * @return bool|string
+     * @return false|string
      */
     public function manageFileUpload($groupId, $picture)
     {
@@ -1155,7 +1155,7 @@ 
     }
 
     /**
-     * @return mixed
+     * @return integer
      */
     public function getGroupType()
     {
@@ -1359,6 +1359,8 @@ 
      * @param string height
      * @param string picture size it can be small_,  medium_  or  big_
      * @param string style css
+     * @param integer $height
+     * @param integer $size_picture
      * @return array with the file and the style of an image i.e $array['file'] $array['style']
      */
     public function get_picture_group($id, $picture_file, $height, $size_picture = GROUP_IMAGE_SIZE_MEDIUM , $style = '')
@@ -1420,7 +1422,7 @@ 
      * @param	string	Type of path to return (can be 'none', 'system', 'rel', 'web')
      * @param	bool	Whether we want to have the directory name returned 'as if' there was a file or not (in the case we want to know which directory to create - otherwise no file means no split subdir)
      * @param	bool	If we want that the function returns the /main/img/unknown.jpg image set it at true
-     * @return	array 	Array of 2 elements: 'dir' and 'file' which contain the dir and file as the name implies if image does not exist it will return the unknow image if anonymous parameter is true if not it returns an empty er's
+     * @return	integer 	Array of 2 elements: 'dir' and 'file' which contain the dir and file as the name implies if image does not exist it will return the unknow image if anonymous parameter is true if not it returns an empty er's
      */
     public function get_group_picture_path_by_id($id, $type = 'none', $preview = false, $anonymous = false)
     {
@@ -1470,7 +1472,7 @@ 
     }
 
     /**
-     * @return array
+     * @return string[]
      */
     public function getAllowedPictureExtensions()
     {
@@ -1660,7 +1662,7 @@ 
      * @author Julio Montoya
      * @param  int  $user_id
      * @param  int $group_id
-     * @return boolean true if success
+     * @return Doctrine\DBAL\Driver\Statement|null true if success
      * */
     public function delete_user_rel_group($user_id, $group_id)
     {
@@ -1872,6 +1874,8 @@ 
      * @param int from value
      * @param int limit
      * @param array image configuration, i.e array('height'=>'20px', 'size'=> '20px')
+     * @param integer $from
+     * @param integer $limit
      * @return array list of users in a group
      */
     public function get_users_by_group(
@@ -1970,6 +1974,8 @@ 
      * Shows the left column of the group page
      * @param int group id
      * @param int user id
+     * @param integer $group_id
+     * @param integer $user_id
      *
      */
     public function show_group_column_information($group_id, $user_id, $show = '')
@@ -2323,7 +2329,7 @@ 
      * @param int $group_id
      * @param int $parent_group_id if 0, we delete the parent_group association
      * @param int $relation_type
-     * @return resource
+     * @return Doctrine\DBAL\Driver\Statement|null
      **/
     public static function set_parent_group($group_id, $parent_group_id, $relation_type = 1)
     {

Spacing +62 added lines, -62 removed lines

@@ -81,7 +81,7 @@ 
             ";
             $result = Database::query($sql);
             if (Database::num_rows($result)) {
-                $row  = Database::fetch_array($result);
+                $row = Database::fetch_array($result);
 
                 return $row['count'];
             }
@@ -101,7 +101,7 @@ 
             ";
             $result = Database::query($sql);
             if (Database::num_rows($result)) {
-                $row  = Database::fetch_array($result);
+                $row = Database::fetch_array($result);
                 return $row['count'];
             }
         }
@@ -126,7 +126,7 @@ 
             ";
             $result = Database::query($sql);
             if (Database::num_rows($result)) {
-                $row  = Database::fetch_array($result);
+                $row = Database::fetch_array($result);
                 return $row['count'];
             }
 
@@ -147,7 +147,7 @@ 
             ";
             $result = Database::query($sql);
             if (Database::num_rows($result)) {
-                $row  = Database::fetch_array($result);
+                $row = Database::fetch_array($result);
                 return $row['count'];
             }
 
@@ -527,13 +527,13 @@ 
                 INNER JOIN {$this->table} g
                 ON (u.usergroup_id = g.id)
                 ";
-            $where =  array('where' => array('user_id = ? AND access_url_id = ? ' => array($userId, $urlId)));
+            $where = array('where' => array('user_id = ? AND access_url_id = ? ' => array($userId, $urlId)));
         } else {
             $from = $this->usergroup_rel_user_table." u
                 INNER JOIN {$this->table} g
                 ON (u.usergroup_id = g.id)
                 ";
-            $where =  array('where' => array('user_id = ?' => $userId));
+            $where = array('where' => array('user_id = ?' => $userId));
         }
 
         $results = Database::select(
@@ -562,10 +562,10 @@ 
             $urlId = api_get_current_access_url_id();
             $from = $this->usergroup_rel_user_table." u
                     INNER JOIN {$this->access_url_rel_usergroup} a ON (a.usergroup_id AND u.usergroup_id)";
-            $where =  array('where' => array('user_id = ? AND access_url_id = ? ' => array($userId, $urlId)));
+            $where = array('where' => array('user_id = ? AND access_url_id = ? ' => array($userId, $urlId)));
         } else {
             $from = $this->usergroup_rel_user_table." u ";
-            $where =  array('where' => array('user_id = ?' => $userId));
+            $where = array('where' => array('user_id = ?' => $userId));
         }
 
         $results = Database::select(
@@ -851,7 +851,7 @@ 
             }
             $result = $new_result;
         }
-        $columns = array('name', 'users', 'courses','sessions', 'group_type');
+        $columns = array('name', 'users', 'courses', 'sessions', 'group_type');
 
         if (!in_array($sidx, $columns)) {
             $sidx = 'name';
@@ -1254,7 +1254,7 @@ 
                 }
             }
         }
-        $response->addAssign('ajax_list_courses','innerHTML', api_utf8_encode($return));
+        $response->addAssign('ajax_list_courses', 'innerHTML', api_utf8_encode($return));
 
         return $response;
     }
@@ -1361,7 +1361,7 @@ 
      * @param string style css
      * @return array with the file and the style of an image i.e $array['file'] $array['style']
      */
-    public function get_picture_group($id, $picture_file, $height, $size_picture = GROUP_IMAGE_SIZE_MEDIUM , $style = '')
+    public function get_picture_group($id, $picture_file, $height, $size_picture = GROUP_IMAGE_SIZE_MEDIUM, $style = '')
     {
         $picture = array();
         $picture['style'] = $style;
@@ -1474,7 +1474,7 @@ 
      */
     public function getAllowedPictureExtensions()
     {
-        return $allowed_picture_types = array ('jpg', 'jpeg', 'png', 'gif');
+        return $allowed_picture_types = array('jpg', 'jpeg', 'png', 'gif');
     }
 
     /**
@@ -1508,7 +1508,7 @@ 
         if (empty($user_id)) {
             $user_id = api_get_user_id();
         }
-        $user_role	= $this->get_user_group_role($user_id, $group_id);
+        $user_role = $this->get_user_group_role($user_id, $group_id);
         if (in_array($user_role, array(GROUP_USER_PERMISSION_ADMIN))) {
             return true;
         } else {
@@ -1526,7 +1526,7 @@ 
         if (empty($user_id)) {
             $user_id = api_get_user_id();
         }
-        $user_role	= $this->get_user_group_role($user_id, $group_id);
+        $user_role = $this->get_user_group_role($user_id, $group_id);
         if (in_array($user_role, array(GROUP_USER_PERMISSION_ADMIN, GROUP_USER_PERMISSION_MODERATOR))) {
             return true;
         } else {
@@ -1553,7 +1553,7 @@ 
             GROUP_USER_PERMISSION_READER,
             GROUP_USER_PERMISSION_HRM,
         );
-        $user_role	= self::get_user_group_role($user_id, $group_id);
+        $user_role = self::get_user_group_role($user_id, $group_id);
         if (in_array($user_role, $roles)) {
             return true;
         } else {
@@ -1570,7 +1570,7 @@ 
      * */
     public function get_user_group_role($user_id, $group_id)
     {
-        $table_group_rel_user= $this->usergroup_rel_user_table;
+        $table_group_rel_user = $this->usergroup_rel_user_table;
         $return_value = 0;
         if (!empty($user_id) && !empty($group_id)) {
             $sql = "SELECT relation_type FROM $table_group_rel_user
@@ -1578,8 +1578,8 @@ 
                         usergroup_id = ".intval($group_id)." AND
                         user_id = ".intval($user_id)." ";
             $result = Database::query($sql);
-            if (Database::num_rows($result)>0) {
-                $row = Database::fetch_array($result,'ASSOC');
+            if (Database::num_rows($result) > 0) {
+                $row = Database::fetch_array($result, 'ASSOC');
                 $return_value = $row['relation_type'];
             }
         }
@@ -1634,7 +1634,7 @@ 
         if (is_array($user_list) && is_array($group_list)) {
             foreach ($group_list as $group_id) {
                 foreach ($user_list as $user_id) {
-                    $role = self::get_user_group_role($user_id,$group_id);
+                    $role = self::get_user_group_role($user_id, $group_id);
                     if ($role == 0) {
                         $sql = "INSERT INTO $table_url_rel_group
 		               			SET
@@ -1665,7 +1665,7 @@ 
     public function delete_user_rel_group($user_id, $group_id)
     {
         $table = $this->usergroup_rel_user_table;
-        $sql= "DELETE FROM $table
+        $sql = "DELETE FROM $table
                WHERE
                 user_id = ".intval($user_id)." AND
                 usergroup_id = ".intval($group_id)."  ";
@@ -1721,7 +1721,7 @@ 
 
         $sql = "UPDATE $table_group_rel_user
    				SET relation_type = ".intval($relation_type)."
-                WHERE user_id = $user_id AND usergroup_id = $group_id" ;
+                WHERE user_id = $user_id AND usergroup_id = $group_id";
         Database::query($sql);
     }
 
@@ -1763,7 +1763,7 @@ 
         if (Database::num_rows($result) > 0) {
             while ($row = Database::fetch_array($result, 'ASSOC')) {
                 if ($with_image) {
-                    $picture = self::get_picture_group($row['id'], $row['picture'],80);
+                    $picture = self::get_picture_group($row['id'], $row['picture'], 80);
                     $img = '<img src="'.$picture['file'].'" />';
                     $row['picture'] = $img;
                 }
@@ -1799,11 +1799,11 @@ 
 				ORDER BY count DESC
 				LIMIT $num";
 
-        $result=Database::query($sql);
+        $result = Database::query($sql);
         $array = array();
         while ($row = Database::fetch_array($result, 'ASSOC')) {
             if ($with_image) {
-                $picture = self::get_picture_group($row['id'], $row['picture'],80);
+                $picture = self::get_picture_group($row['id'], $row['picture'], 80);
                 $img = '<img src="'.$picture['file'].'" />';
                 $row['picture'] = $img;
             }
@@ -1848,11 +1848,11 @@ 
                 ORDER BY created_at DESC
                 LIMIT $num ";
 
-        $result=Database::query($sql);
+        $result = Database::query($sql);
         $array = array();
         while ($row = Database::fetch_array($result, 'ASSOC')) {
             if ($with_image) {
-                $picture = self::get_picture_group($row['id'], $row['picture'],80);
+                $picture = self::get_picture_group($row['id'], $row['picture'], 80);
                 $img = '<img src="'.$picture['file'].'" />';
                 $row['picture'] = $img;
             }
@@ -1886,7 +1886,7 @@ 
         $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
         $group_id = intval($group_id);
 
-        if (empty($group_id)){
+        if (empty($group_id)) {
             return array();
         }
 
@@ -1901,9 +1901,9 @@ 
             $where_relation_condition = '';
         } else {
             $new_relation_type = array();
-            foreach($relation_type as $rel) {
+            foreach ($relation_type as $rel) {
                 $rel = intval($rel);
-                $new_relation_type[] ="'$rel'";
+                $new_relation_type[] = "'$rel'";
             }
             $relation_type = implode(',', $new_relation_type);
             if (!empty($relation_type))
@@ -1947,7 +1947,7 @@ 
         $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
         $group_id = intval($group_id);
 
-        if (empty($group_id)){
+        if (empty($group_id)) {
             return array();
         }
 
@@ -1958,7 +1958,7 @@ 
 			    WHERE gu.usergroup_id= $group_id
 			    ORDER BY relation_type, firstname";
 
-        $result=Database::query($sql);
+        $result = Database::query($sql);
         $array = array();
         while ($row = Database::fetch_array($result, 'ASSOC')) {
             $array[$row['id']] = $row;
@@ -1987,27 +1987,27 @@ 
             case GROUP_USER_PERMISSION_READER:
                 // I'm just a reader
                 $relation_group_title = get_lang('IAmAReader');
-                $links .=  '<li><a href="group_invitation.php?id='.$group_id.'">'.
-                            Display::return_icon('invitation_friend.png', get_lang('InviteFriends'), array('hspace'=>'6')).'<span class="'.($show=='invite_friends'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('InviteFriends').'</span></a></li>';
-                $links .=  '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
+                $links .= '<li><a href="group_invitation.php?id='.$group_id.'">'.
+                            Display::return_icon('invitation_friend.png', get_lang('InviteFriends'), array('hspace'=>'6')).'<span class="'.($show == 'invite_friends' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('InviteFriends').'</span></a></li>';
+                $links .= '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
                             Display::return_icon('group_leave.png', get_lang('LeaveGroup'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('LeaveGroup').'</span></a></li>';
                 break;
             case GROUP_USER_PERMISSION_ADMIN:
                 $relation_group_title = get_lang('IAmAnAdmin');
-                $links .=  '<li><a href="group_edit.php?id='.$group_id.'">'.
-                            Display::return_icon('group_edit.png', get_lang('EditGroup'), array('hspace'=>'6')).'<span class="'.($show=='group_edit'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('EditGroup').'</span></a></li>';
-                $links .=  '<li><a href="group_waiting_list.php?id='.$group_id.'">'.
-                            Display::return_icon('waiting_list.png', get_lang('WaitingList'), array('hspace'=>'6')).'<span class="'.($show=='waiting_list'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('WaitingList').'</span></a></li>';
-                $links .=  '<li><a href="group_invitation.php?id='.$group_id.'">'.
-                            Display::return_icon('invitation_friend.png', get_lang('InviteFriends'), array('hspace'=>'6')).'<span class="'.($show=='invite_friends'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('InviteFriends').'</span></a></li>';
-                $links .=  '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
+                $links .= '<li><a href="group_edit.php?id='.$group_id.'">'.
+                            Display::return_icon('group_edit.png', get_lang('EditGroup'), array('hspace'=>'6')).'<span class="'.($show == 'group_edit' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('EditGroup').'</span></a></li>';
+                $links .= '<li><a href="group_waiting_list.php?id='.$group_id.'">'.
+                            Display::return_icon('waiting_list.png', get_lang('WaitingList'), array('hspace'=>'6')).'<span class="'.($show == 'waiting_list' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('WaitingList').'</span></a></li>';
+                $links .= '<li><a href="group_invitation.php?id='.$group_id.'">'.
+                            Display::return_icon('invitation_friend.png', get_lang('InviteFriends'), array('hspace'=>'6')).'<span class="'.($show == 'invite_friends' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('InviteFriends').'</span></a></li>';
+                $links .= '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
                             Display::return_icon('group_leave.png', get_lang('LeaveGroup'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('LeaveGroup').'</span></a></li>';
                 break;
             case GROUP_USER_PERMISSION_PENDING_INVITATION:
 //				$links .=  '<li><a href="groups.php?id='.$group_id.'&action=join&u='.api_get_user_id().'">'.Display::return_icon('addd.gif', get_lang('YouHaveBeenInvitedJoinNow'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('YouHaveBeenInvitedJoinNow').'</span></a></li>';
                 break;
             case GROUP_USER_PERMISSION_PENDING_INVITATION_SENT_BY_USER:
-                $relation_group_title =  get_lang('WaitingForAdminResponse');
+                $relation_group_title = get_lang('WaitingForAdminResponse');
                 break;
             case GROUP_USER_PERMISSION_MODERATOR:
                 $relation_group_title = get_lang('IAmAModerator');
@@ -2015,25 +2015,25 @@ 
                 //$links .=  '<li><a href="groups.php?id='.$group_id.'">'.				Display::return_icon('message_list.png', get_lang('MessageList'), array('hspace'=>'6')).'<span class="'.($show=='messages_list'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('MessageList').'</span></a></li>';
                 //$links .=  '<li><a href="group_members.php?id='.$group_id.'">'.		Display::return_icon('member_list.png', get_lang('MemberList'), array('hspace'=>'6')).'<span class="'.($show=='member_list'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('MemberList').'</span></a></li>';
                 if ($group_info['visibility'] == GROUP_PERMISSION_CLOSED) {
-                    $links .=  '<li><a href="group_waiting_list.php?id='.$group_id.'">'.
-                                Display::return_icon('waiting_list.png', get_lang('WaitingList'), array('hspace'=>'6')).'<span class="'.($show=='waiting_list'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('WaitingList').'</span></a></li>';
+                    $links .= '<li><a href="group_waiting_list.php?id='.$group_id.'">'.
+                                Display::return_icon('waiting_list.png', get_lang('WaitingList'), array('hspace'=>'6')).'<span class="'.($show == 'waiting_list' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('WaitingList').'</span></a></li>';
                 }
-                $links .=  '<li><a href="group_invitation.php?id='.$group_id.'">'.
-                            Display::return_icon('invitation_friend.png', get_lang('InviteFriends'), array('hspace'=>'6')).'<span class="'.($show=='invite_friends'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('InviteFriends').'</span></a></li>';
-                $links .=  '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
+                $links .= '<li><a href="group_invitation.php?id='.$group_id.'">'.
+                            Display::return_icon('invitation_friend.png', get_lang('InviteFriends'), array('hspace'=>'6')).'<span class="'.($show == 'invite_friends' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('InviteFriends').'</span></a></li>';
+                $links .= '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
                             Display::return_icon('group_leave.png', get_lang('LeaveGroup'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('LeaveGroup').'</span></a></li>';
                 break;
             case GROUP_USER_PERMISSION_HRM:
                 $relation_group_title = get_lang('IAmAHRM');
                 $links .= '<li><a href="'.api_get_path(WEB_CODE_PATH).'social/message_for_group_form.inc.php?view_panel=1&height=400&width=610&&user_friend='.api_get_user_id().'&group_id='.$group_id.'&action=add_message_group" class="ajax" title="'.get_lang('ComposeMessage').'" data-size="lg" data-title="'.get_lang('ComposeMessage').'">'.
                             Display::return_icon('new-message.png', get_lang('NewTopic'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('NewTopic').'</span></a></li>';
-                $links .=  '<li><a href="group_view.php?id='.$group_id.'">'.
-                            Display::return_icon('message_list.png', get_lang('MessageList'), array('hspace'=>'6')).'<span class="'.($show=='messages_list'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('MessageList').'</span></a></li>';
-                $links .=  '<li><a href="group_invitation.php?id='.$group_id.'">'.
-                            Display::return_icon('invitation_friend.png', get_lang('InviteFriends'), array('hspace'=>'6')).'<span class="'.($show=='invite_friends'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('InviteFriends').'</span></a></li>';
-                $links .=  '<li><a href="group_members.php?id='.$group_id.'">'.
-                            Display::return_icon('member_list.png', get_lang('MemberList'), array('hspace'=>'6')).'<span class="'.($show=='member_list'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('MemberList').'</span></a></li>';
-                $links .=  '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
+                $links .= '<li><a href="group_view.php?id='.$group_id.'">'.
+                            Display::return_icon('message_list.png', get_lang('MessageList'), array('hspace'=>'6')).'<span class="'.($show == 'messages_list' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('MessageList').'</span></a></li>';
+                $links .= '<li><a href="group_invitation.php?id='.$group_id.'">'.
+                            Display::return_icon('invitation_friend.png', get_lang('InviteFriends'), array('hspace'=>'6')).'<span class="'.($show == 'invite_friends' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('InviteFriends').'</span></a></li>';
+                $links .= '<li><a href="group_members.php?id='.$group_id.'">'.
+                            Display::return_icon('member_list.png', get_lang('MemberList'), array('hspace'=>'6')).'<span class="'.($show == 'member_list' ? 'social-menu-text-active' : 'social-menu-text4').'" >'.get_lang('MemberList').'</span></a></li>';
+                $links .= '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
                             Display::return_icon('delete_data.gif', get_lang('LeaveGroup'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('LeaveGroup').'</span></a></li>';
                 break;
             default:
@@ -2076,14 +2076,14 @@ 
      */
     public function get_groups_by_user_count($user_id = '', $relation_type = GROUP_USER_PERMISSION_READER, $with_image = false)
     {
-        $table_group_rel_user	= $this->usergroup_rel_user_table;
-        $tbl_group				= $this->table;
-        $user_id 				= intval($user_id);
+        $table_group_rel_user = $this->usergroup_rel_user_table;
+        $tbl_group = $this->table;
+        $user_id = intval($user_id);
 
         if ($relation_type == 0) {
             $where_relation_condition = '';
         } else {
-            $relation_type 			= intval($relation_type);
+            $relation_type = intval($relation_type);
             $where_relation_condition = "AND gu.relation_type = $relation_type ";
         }
 
@@ -2156,7 +2156,7 @@ 
         }
 
         $direction = 'ASC';
-        if (!in_array($direction, array('ASC','DESC'))) {
+        if (!in_array($direction, array('ASC', 'DESC'))) {
             $direction = 'ASC';
         }
 
@@ -2167,8 +2167,8 @@ 
         $sql .= " LIMIT $from,$number_of_items";
 
         $res = Database::query($sql);
-        if (Database::num_rows($res)> 0) {
-            while ($row = Database::fetch_array($res,'ASSOC')) {
+        if (Database::num_rows($res) > 0) {
+            while ($row = Database::fetch_array($res, 'ASSOC')) {
                 if (!in_array($row['id'], $return)) {
                     $return[$row['id']] = $row;
                 }
@@ -2193,7 +2193,7 @@ 
             if ($i == $max_level) {
                 $select_part .= "rg$rg_number.group_id as id_$rg_number ";
             } else {
-                $select_part .="rg$rg_number.group_id as id_$rg_number, ";
+                $select_part .= "rg$rg_number.group_id as id_$rg_number, ";
             }
             if ($i == 1) {
                 $cond_part .= "FROM $t_rel_group rg0 LEFT JOIN $t_rel_group rg$i on rg$rg_number.group_id = rg$i.subgroup_id ";

Braces +3 added lines, -2 removed lines

@@ -1906,8 +1906,9 @@
                 $new_relation_type[] ="'$rel'";
             }
             $relation_type = implode(',', $new_relation_type);
-            if (!empty($relation_type))
-                $where_relation_condition = "AND gu.relation_type IN ($relation_type) ";
+            if (!empty($relation_type)) {
+                            $where_relation_condition = "AND gu.relation_type IN ($relation_type) ";
+            }
         }
 
         $sql = "SELECT picture_uri as image, u.id, u.firstname, u.lastname, relation_type

main/inc/lib/usermanager.lib.php

Doc Comments +31 added lines, -15 removed lines

@@ -86,7 +86,7 @@ 
     }
 
     /**
-     * @return bool|mixed
+     * @return string
      */
     public static function getPasswordEncryption()
     {
@@ -161,7 +161,7 @@ 
      * @param string $raw
      * @param User   $user
      *
-     * @return bool
+     * @return string
      */
     public static function encryptPassword($raw, User $user)
     {
@@ -965,6 +965,7 @@ 
      * Disables or enables a user
      * @param int user_id
      * @param int Enable or disable
+     * @param integer $active
      * @return void
      * @assert (-1,0) === false
      * @assert (1,1) === true
@@ -995,6 +996,7 @@ 
     /**
      * Disables a user
      * @param int User id
+     * @param integer $user_id
      * @return bool
      * @uses UserManager::change_active_state() to actually disable the user
      * @assert (0) === false
@@ -1011,6 +1013,7 @@ 
     /**
      * Enable a user
      * @param int User id
+     * @param integer $user_id
      * @return bool
      * @uses UserManager::change_active_state() to actually disable the user
      * @assert (0) === false
@@ -1175,6 +1178,7 @@ 
      * Checks whether the user id exists in the database
      *
      * @param int User id
+     * @param integer $userId
      * @return bool True if user id was found, false otherwise
      */
     public static function is_user_id_valid($userId)
@@ -1357,7 +1361,7 @@ 
      * @param   array $userInfo user information to avoid query the DB
      * returns the /main/img/unknown.jpg image set it at true
      *
-     * @return    array     Array of 2 elements: 'dir' and 'file' which contain
+     * @return    integer     Array of 2 elements: 'dir' and 'file' which contain
      * the dir and file as the name implies if image does not exist it will
      * return the unknow image if anonymous parameter is true if not it returns an empty array
      */
@@ -1729,7 +1733,7 @@ 
      * @param    int $user_id    User id
      * @param    $force    Optional parameter to force building after a removal request
      *
-     * @return    A string containing the XHTML code to dipslay the production list, or FALSE
+     * @return    boolean|string string containing the XHTML code to dipslay the production list, or FALSE
      */
     public static function build_production_list($user_id, $force = false, $showdelete = false)
     {
@@ -1765,7 +1769,7 @@ 
     /**
      * Returns an array with the user's productions.
      *
-     * @param    $user_id    User id
+     * @param    integer $user_id    User id
      * @return   array  An array containing the user's productions
      */
     public static function get_user_productions($user_id)
@@ -1920,7 +1924,7 @@ 
 
     /**
      * Build a list of extra file already uploaded in $user_folder/{$extra_field}/
-     * @param $user_id
+     * @param integer $user_id
      * @param $extra_field
      * @param bool $force
      * @param bool $showdelete
@@ -2023,7 +2027,7 @@ 
      * @param    int       $fieldType  Field's type
      * @param    string    $displayText Field's language var name
      * @param    string    $default Field's default value
-     * @return int
+     * @return boolean
      */
     public static function create_extra_field($variable, $fieldType, $displayText, $default)
     {
@@ -2056,6 +2060,7 @@ 
      * @param    boolean    Whether to prefix the fields indexes with "extra_" (might be used by formvalidator)
      * @param    boolean    Whether to return invisible fields as well
      * @param    boolean    Whether to split multiple-selection fields or not
+     * @param boolean $field_filter
      * @return    array    Array of fields => value for the given user
      */
     public static function get_extra_user_data(
@@ -2242,7 +2247,6 @@ 
     /**
      * Get all the extra field information of a certain field (also the options)
      *
-     * @param int $field_name the name of the field we want to know everything of
      * @return array $return containing all th information about the extra profile field
      * @author Julio Montoya
      * @deprecated
@@ -2285,6 +2289,7 @@ 
     /**
      * Get extra user data by field variable
      * @param string    field variable
+     * @param string $field_variable
      * @return array    data
      */
     public static function get_extra_user_data_by_field_variable($field_variable)
@@ -2829,7 +2834,7 @@ 
      * @param    string    User ID
      * @param   string  course directory
      * @param   string  resourcetype: images, all
-     * @return    int        User ID (or false if not found)
+     * @return    string        User ID (or false if not found)
      */
     public static function get_user_upload_files_by_course($user_id, $course, $resourcetype = 'all')
     {
@@ -2909,7 +2914,7 @@ 
     /**
      * Adds a new API key to the users' account
      * @param   int     Optional user ID (defaults to the results of api_get_user_id())
-     * @return  boolean True on success, false on failure
+     * @return  false|string True on success, false on failure
      */
     public static function add_api_key($user_id = null, $api_service = 'dokeos')
     {
@@ -2964,6 +2969,7 @@ 
      * Regenerate an API key from the user's account
      * @param   int     user ID (defaults to the results of api_get_user_id())
      * @param   string  API key's internal ID
+     * @param string $api_service
      * @return  int        num
      */
     public static function update_api_key($user_id, $api_service)
@@ -2993,6 +2999,7 @@ 
     /**
      * @param   int     user ID (defaults to the results of api_get_user_id())
      * @param   string    API key's internal ID
+     * @param string $api_service
      * @return  int    row ID, or return false if not found
      */
     public static function get_api_key_id($user_id, $api_service)
@@ -3204,7 +3211,8 @@ 
      * @param int user_id
      * @param int field_id
      * @param bool show links or not
-     * @return array
+     * @param integer $user_id
+     * @return string
      */
     public static function get_user_tags_to_string($user_id, $field_id, $show_links = true)
     {
@@ -3249,6 +3257,8 @@ 
      * Get the tag id
      * @param int tag
      * @param int field_id
+     * @param string $tag
+     * @param integer $field_id
      * @return int returns 0 if fails otherwise the tag id
      */
     public static function get_tag_id($tag, $field_id)
@@ -3295,7 +3305,7 @@ 
      * @param mixed tag
      * @param int The user id
      * @param int field id of the tag
-     * @return bool
+     * @return boolean|null
      */
     public static function add_tag($tag, $user_id, $field_id)
     {
@@ -4101,7 +4111,7 @@ 
      * Add subscribed users to a user by relation type
      * @param int $userId The user id
      * @param array $subscribedUsersId The id of suscribed users
-     * @param action $relationType The relation type
+     * @param integer $relationType The relation type
      */
     public static function subscribeUsersToUser($userId, $subscribedUsersId, $relationType)
     {
@@ -4158,6 +4168,8 @@ 
      * This function check if an user is followed by human resources manager
      * @param     int     User id
      * @param    int        Human resources manager
+     * @param integer $user_id
+     * @param integer $hr_dept_id
      * @return    bool
      */
     public static function is_user_followed_by_drh($user_id, $hr_dept_id)
@@ -4230,6 +4242,8 @@ 
      * Determines if a user is a gradebook certified
      * @param int The category id of gradebook
      * @param int The user id
+     * @param integer $cat_id
+     * @param integer $user_id
      * @return boolean
      */
     public static function is_user_certified($cat_id, $user_id)
@@ -4252,6 +4266,8 @@ 
      * Gets the info about a gradebook certificate for a user by course
      * @param string The course code
      * @param int The user id
+     * @param integer $course_code
+     * @param integer $user_id
      * @return array  if there is not information return false
      */
     public static function get_info_gradebook_certificate($course_code, $user_id)
@@ -4715,7 +4731,7 @@ 
     }
 
     /**
-     * @return array
+     * @return string[]
      */
     static function get_user_field_types()
     {
@@ -4967,7 +4983,7 @@ 
      * Get either a Gravatar URL or complete image tag for a specified email address.
      *
      * @param string $email The email address
-     * @param string $s Size in pixels, defaults to 80px [ 1 - 2048 ]
+     * @param integer $s Size in pixels, defaults to 80px [ 1 - 2048 ]
      * @param string $d Default imageset to use [ 404 | mm | identicon | monsterid | wavatar ]
      * @param string $r Maximum rating (inclusive) [ g | pg | r | x ]
      * @param boole $img True to return a complete IMG tag False for just the URL

Indentation +31 added lines, -31 removed lines

@@ -1229,13 +1229,13 @@ 
     }
 
     /**
-    * Get the users by ID
-    * @param array $ids student ids
-    * @param string $active
-    * @param string $order
-    * @param string $limit
-    * @return array $result student information
-    */
+     * Get the users by ID
+     * @param array $ids student ids
+     * @param string $active
+     * @param string $order
+     * @param string $limit
+     * @return array $result student information
+     */
     public static function get_user_list_by_ids($ids = array(), $active = null, $order = null, $limit = null)
     {
         if (empty($ids)) {
@@ -3332,12 +3332,12 @@ 
         if ($tag_id == 0) {
             //the tag doesn't exist
             $sql = "INSERT INTO $table_user_tag (tag, field_id,count) VALUES ('$tag','$field_id', count + 1)";
-             Database::query($sql);
+                Database::query($sql);
             $last_insert_id = Database::insert_id();
         } else {
             //the tag exists we update it
             $sql = "UPDATE $table_user_tag SET count = count + 1 WHERE id  = $tag_id";
-             Database::query($sql);
+                Database::query($sql);
             $last_insert_id = $tag_id;
         }
 
@@ -3532,9 +3532,9 @@ 
     }
 
     /**
-      * Get extra filtrable user fields (only type select)
-      * @return array
-      */
+     * Get extra filtrable user fields (only type select)
+     * @return array
+     */
     public static function get_extra_filtrable_fields()
     {
         $extraFieldList = UserManager::get_extra_fields();
@@ -3559,9 +3559,9 @@ 
     }
 
     /**
-      * Get extra where clauses for finding users based on extra filtrable user fields (type select)
-      * @return string With AND clauses based on user's ID which have the values to search in extra user fields
-      */
+     * Get extra where clauses for finding users based on extra filtrable user fields (type select)
+     * @return string With AND clauses based on user's ID which have the values to search in extra user fields
+     */
     public static function get_search_form_where_extra_fields()
     {
         $useExtraFields = false;
@@ -3869,23 +3869,23 @@ 
     }
 
     /**
-    * Get users followed by human resource manager
-    * @param int $userId
-    * @param int  $userStatus Filter users by status (STUDENT, COURSEMANAGER, etc)
-    * @param bool $getOnlyUserId
-    * @param bool $getSql
-    * @param bool $getCount
-    * @param int $from
-    * @param int $numberItems
-    * @param int $column
-    * @param string $direction
-    * @param int $active
-    * @param string $lastConnectionDate
-    * @param int $status the function is called by who? COURSEMANAGER, DRH?
-    * @param string $keyword
+     * Get users followed by human resource manager
+     * @param int $userId
+     * @param int  $userStatus Filter users by status (STUDENT, COURSEMANAGER, etc)
+     * @param bool $getOnlyUserId
+     * @param bool $getSql
+     * @param bool $getCount
+     * @param int $from
+     * @param int $numberItems
+     * @param int $column
+     * @param string $direction
+     * @param int $active
+     * @param string $lastConnectionDate
+     * @param int $status the function is called by who? COURSEMANAGER, DRH?
+     * @param string $keyword
      *
-    * @return array user list
-    */
+     * @return array user list
+     */
     public static function getUsersFollowedByUser(
         $userId,
         $userStatus = null,

Spacing +36 added lines, -36 removed lines

@@ -34,7 +34,7 @@ 
     const USER_FIELD_TYPE_TIMEZONE = 11;
     const USER_FIELD_TYPE_SOCIAL_PROFILE = 12;
     const USER_FIELD_TYPE_FILE = 13;
-    const USER_FIELD_TYPE_MOBILE_PHONE_NUMBER  = 14;
+    const USER_FIELD_TYPE_MOBILE_PHONE_NUMBER = 14;
 
     private static $encryptionMethod;
 
@@ -280,7 +280,7 @@ 
         }
 
         if (empty($password)) {
-            Display::addFlash(Display::return_message(get_lang('ThisFieldIsRequired').': '.get_lang('Password') , 'warning'));
+            Display::addFlash(Display::return_message(get_lang('ThisFieldIsRequired').': '.get_lang('Password'), 'warning'));
 
             return false;
         }
@@ -758,7 +758,7 @@ 
         $sql = "UPDATE $table_user SET active = 1 WHERE id IN ($ids)";
         $r = Database::query($sql);
         if ($r !== false) {
-            Event::addEvent(LOG_USER_ENABLE,LOG_USER_ID,$ids);
+            Event::addEvent(LOG_USER_ENABLE, LOG_USER_ID, $ids);
         }
         return $r;
     }
@@ -1162,7 +1162,7 @@ 
             // 1. Conversion of unacceptable letters (latinian letters with accents for example) into ASCII letters in order they not to be totally removed.
             // 2. Applying the strict purifier.
             // 3. Length limitation.
-            $return  = api_get_setting('login_is_email') == 'true' ? substr(preg_replace(USERNAME_PURIFIER_MAIL, '', $username), 0, USERNAME_MAX_LENGTH) : substr(preg_replace(USERNAME_PURIFIER, '', $username), 0, USERNAME_MAX_LENGTH);
+            $return = api_get_setting('login_is_email') == 'true' ? substr(preg_replace(USERNAME_PURIFIER_MAIL, '', $username), 0, USERNAME_MAX_LENGTH) : substr(preg_replace(USERNAME_PURIFIER, '', $username), 0, USERNAME_MAX_LENGTH);
             $return = URLify::transliterate($return);
             return $return;
         }
@@ -1254,12 +1254,12 @@ 
 
         if (!is_null($order)) {
             $order = Database::escape_string($order);
-            $sql .= ' ORDER BY ' . $order;
+            $sql .= ' ORDER BY '.$order;
         }
 
         if (!is_null($limit)) {
             $limit = Database::escape_string($limit);
-            $sql .= ' LIMIT ' . $limit;
+            $sql .= ' LIMIT '.$limit;
         }
 
         $rs = Database::query($sql);
@@ -1432,7 +1432,7 @@ 
             // In exceptional cases, on some portals, the intermediate base user
             // directory might not have been created. Make sure it is before
             // going further.
-            $rootPath = api_get_path(SYS_UPLOAD_PATH) . 'users/' . substr((string) $id, 0, 1);
+            $rootPath = api_get_path(SYS_UPLOAD_PATH).'users/'.substr((string) $id, 0, 1);
             if (!is_dir($rootPath)) {
                 $perm = api_get_permissions_for_new_directories();
                 try {
@@ -1685,7 +1685,7 @@ 
         $path_info = self::get_user_picture_path_by_id($user_id, 'system');
         $path = $path_info['dir'];
         if (!empty($extra_field)) {
-            $path .= $extra_field . '/';
+            $path .= $extra_field.'/';
         }
         // If this directory does not exist - we create it.
         if (!file_exists($path)) {
@@ -1693,7 +1693,7 @@ 
         }
 
         if (filter_extension($file)) {
-            if (@move_uploaded_file($source_file,$path.$file)) {
+            if (@move_uploaded_file($source_file, $path.$file)) {
                 if ($extra_field) {
                     return $extra_field.'/'.$file;
                 } else {
@@ -1944,10 +1944,10 @@ 
         if (count($extra_files) > 0) {
             $extra_file_list = '<div class="files-production"><ul id="productions">';
             foreach ($extra_files as $file) {
-                $filename = substr($file,strlen($extra_field)+1);
+                $filename = substr($file, strlen($extra_field) + 1);
                 $extra_file_list .= '<li>'.Display::return_icon('archive.png').'<a href="'.$path.$extra_field.'/'.urlencode($filename).'" target="_blank">'.htmlentities($filename).'</a> ';
                 if ($showdelete) {
-                    $extra_file_list .= '<input style="width:16px;" type="image" name="remove_extra_' . $extra_field . '['.urlencode($file).']" src="'.$del_image.'" alt="'.$del_text.'" title="'.$del_text.' '.htmlentities($filename).'" onclick="javascript: return confirmation(\''.htmlentities($filename).'\');" /></li>';
+                    $extra_file_list .= '<input style="width:16px;" type="image" name="remove_extra_'.$extra_field.'['.urlencode($file).']" src="'.$del_image.'" alt="'.$del_text.'" title="'.$del_text.' '.htmlentities($filename).'" onclick="javascript: return confirmation(\''.htmlentities($filename).'\');" /></li>';
                 }
             }
             $extra_file_list .= '</ul></div>';
@@ -2531,7 +2531,7 @@ 
 
         if (api_is_allowed_to_create_course()) {
             $sessionListFromCourseCoach = array();
-            $sql =" SELECT DISTINCT session_id
+            $sql = " SELECT DISTINCT session_id
                     FROM $tbl_session_course_user
                     WHERE user_id = $user_id AND status = 2 ";
 
@@ -2539,7 +2539,7 @@ 
             if (Database::num_rows($result)) {
                 $result = Database::store_result($result);
                 foreach ($result as $session) {
-                    $sessionListFromCourseCoach[]= $session['session_id'];
+                    $sessionListFromCourseCoach[] = $session['session_id'];
                 }
             }
             if (!empty($sessionListFromCourseCoach)) {
@@ -2562,7 +2562,7 @@ 
                 ORDER BY access_start_date, access_end_date, name";
 
         $result = Database::query($sql);
-        if (Database::num_rows($result)>0) {
+        if (Database::num_rows($result) > 0) {
             while ($row = Database::fetch_assoc($result)) {
                 $sessions[$row['id']] = $row;
             }
@@ -2578,7 +2578,7 @@ 
                 ORDER BY access_start_date, access_end_date, name";
 
         $result = Database::query($sql);
-        if (Database::num_rows($result)>0) {
+        if (Database::num_rows($result) > 0) {
             while ($row = Database::fetch_assoc($result)) {
                 if (empty($sessions[$row['id']])) {
                     $sessions[$row['id']] = $row;
@@ -3567,13 +3567,13 @@ 
         $useExtraFields = false;
         $extraFields = UserManager::get_extra_filtrable_fields();
         $extraFieldResult = array();
-        if (is_array($extraFields) && count($extraFields)>0 ) {
+        if (is_array($extraFields) && count($extraFields) > 0) {
             foreach ($extraFields as $extraField) {
                 $varName = 'field_'.$extraField['variable'];
                 if (UserManager::is_extra_field_available($extraField['variable'])) {
-                    if (isset($_GET[$varName]) && $_GET[$varName]!='0') {
+                    if (isset($_GET[$varName]) && $_GET[$varName] != '0') {
                         $useExtraFields = true;
-                        $extraFieldResult[]= UserManager::get_extra_user_data_by_value(
+                        $extraFieldResult[] = UserManager::get_extra_user_data_by_value(
                             $extraField['variable'],
                             $_GET[$varName]
                         );
@@ -3584,17 +3584,17 @@ 
 
         if ($useExtraFields) {
             $finalResult = array();
-            if (count($extraFieldResult)>1) {
-                for ($i=0; $i < count($extraFieldResult) -1; $i++) {
-                    if (is_array($extraFieldResult[$i+1])) {
-                        $finalResult  = array_intersect($extraFieldResult[$i], $extraFieldResult[$i+1]);
+            if (count($extraFieldResult) > 1) {
+                for ($i = 0; $i < count($extraFieldResult) - 1; $i++) {
+                    if (is_array($extraFieldResult[$i + 1])) {
+                        $finalResult = array_intersect($extraFieldResult[$i], $extraFieldResult[$i + 1]);
                     }
                 }
             } else {
                 $finalResult = $extraFieldResult[0];
             }
 
-            if (is_array($finalResult) && count($finalResult)>0) {
+            if (is_array($finalResult) && count($finalResult) > 0) {
                 $whereFilter = " AND u.id IN  ('".implode("','", $finalResult)."') ";
             } else {
                 //no results
@@ -3767,7 +3767,7 @@ 
             $sql = 'DELETE FROM '.$tbl_my_friend.'
                     WHERE relation_type <> '.USER_RELATION_TYPE_RRHH.' AND friend_user_id='.$friend_id.' '.$extra_condition;
             Database::query($sql);
-            $sql= 'DELETE FROM '.$tbl_my_friend.'
+            $sql = 'DELETE FROM '.$tbl_my_friend.'
                    WHERE relation_type <> '.USER_RELATION_TYPE_RRHH.' AND user_id='.$friend_id.' '.$extra_condition;
             Database::query($sql);
         } else {
@@ -3961,7 +3961,7 @@ 
 
         if (!empty($lastConnectionDate)) {
             $lastConnectionDate = Database::escape_string($lastConnectionDate);
-            $userConditions .=  " AND u.last_login <= '$lastConnectionDate' ";
+            $userConditions .= " AND u.last_login <= '$lastConnectionDate' ";
         }
 
         $courseConditions = null;
@@ -4028,7 +4028,7 @@ 
                 break;
             case STUDENT_BOSS :
                 $drhConditions = " AND friend_user_id = $userId AND "
-                . "relation_type = " . USER_RELATION_TYPE_BOSS;
+                . "relation_type = ".USER_RELATION_TYPE_BOSS;
                 break;
         }
 
@@ -4118,7 +4118,7 @@ 
                 . "INNER JOIN $userRelAccessUrlTable a ON (a.user_id = s.user_id) "
                 . "WHERE friend_user_id = $userId "
                 . "AND relation_type = $relationType "
-                . "AND access_url_id = " . api_get_current_access_url_id() . "";
+                . "AND access_url_id = ".api_get_current_access_url_id()."";
         } else {
             $sql = "SELECT user_id FROM $userRelUserTable "
                 . "WHERE friend_user_id = $userId "
@@ -4393,7 +4393,7 @@ 
         if (empty($years)) {
             $years = 1;
         }
-        $inactive_time = $years * 31536000;  //1 year
+        $inactive_time = $years * 31536000; //1 year
         $rs = Database::query($sql);
         if (Database::num_rows($rs) > 0) {
             if ($last_login_date = Database::result($rs, 0, 0)) {
@@ -4526,7 +4526,7 @@ 
                         'extra_'.$field_details[1],
                         $field_details[3],
                         $options,
-                        array('id' => 'extra_' . $field_details[1])
+                        array('id' => 'extra_'.$field_details[1])
                     );
 
                     if (!$admin_permissions) {
@@ -4680,7 +4680,7 @@ 
                     $extra_field = 'extra_'.$field_details[1];
                     $form->addElement('file', $extra_field, $field_details[3], null, '');
                     if ($extra_file_list = UserManager::build_user_extra_file_list($user_id, $field_details[1], '', true)) {
-                        $form->addElement('static', $extra_field . '_list', null, $extra_file_list);
+                        $form->addElement('static', $extra_field.'_list', null, $extra_file_list);
                     }
                     if ($field_details[7] == 0) {
                         $form->freeze($extra_field);
@@ -4820,7 +4820,7 @@ 
         $direction = null,
         $active = null,
         $lastConnectionDate = null
-    ){
+    ) {
         return self::getUsersFollowedByUser(
                 $userId, $userStatus, $getOnlyUserId, $getSql, $getCount, $from, $numberItems, $column, $direction,
                 $active, $lastConnectionDate, STUDENT_BOSS
@@ -4987,12 +4987,12 @@ 
         if (!empty($_SERVER['HTTPS'])) {
             $url = 'https://secure.gravatar.com/avatar/';
         }
-        $url .= md5( strtolower( trim( $email ) ) );
+        $url .= md5(strtolower(trim($email)));
         $url .= "?s=$s&d=$d&r=$r";
-        if ( $img ) {
-            $url = '<img src="' . $url . '"';
-            foreach ( $atts as $key => $val )
-                $url .= ' ' . $key . '="' . $val . '"';
+        if ($img) {
+            $url = '<img src="'.$url.'"';
+            foreach ($atts as $key => $val)
+                $url .= ' '.$key.'="'.$val.'"';
             $url .= ' />';
         }
         return $url;

Braces +97 added lines, -62 removed lines

@@ -774,10 +774,12 @@ 
     public static function update_openid($user_id, $openid)
     {
         $table_user = Database :: get_main_table(TABLE_MAIN_USER);
-        if ($user_id != strval(intval($user_id)))
-            return false;
-        if ($user_id === false)
-            return false;
+        if ($user_id != strval(intval($user_id))) {
+                    return false;
+        }
+        if ($user_id === false) {
+                    return false;
+        }
         $sql = "UPDATE $table_user SET
                 openid='".Database::escape_string($openid)."'";
         $sql .= " WHERE id= $user_id";
@@ -2069,8 +2071,9 @@ 
         if (empty($user_id)) {
             $user_id = 0;
         } else {
-            if ($user_id != strval(intval($user_id)))
-                return array();
+            if ($user_id != strval(intval($user_id))) {
+                            return array();
+            }
         }
         $extra_data = array();
         $t_uf = Database::get_main_table(TABLE_EXTRA_FIELD);
@@ -2162,8 +2165,9 @@ 
         if (empty($user_id)) {
             $user_id = 0;
         } else {
-            if ($user_id != strval(intval($user_id)))
-                return array();
+            if ($user_id != strval(intval($user_id))) {
+                            return array();
+            }
         }
         $extra_data = array();
         $t_uf = Database::get_main_table(TABLE_EXTRA_FIELD);
@@ -2880,13 +2884,15 @@ 
      */
     public static function get_api_keys($user_id = null, $api_service = 'dokeos')
     {
-        if ($user_id != strval(intval($user_id)))
-            return false;
+        if ($user_id != strval(intval($user_id))) {
+                    return false;
+        }
         if (empty($user_id)) {
             $user_id = api_get_user_id();
         }
-        if ($user_id === false)
-            return false;
+        if ($user_id === false) {
+                    return false;
+        }
         $service_name = Database::escape_string($api_service);
         if (is_string($service_name) === false) {
             return false;
@@ -2894,11 +2900,14 @@ 
         $t_api = Database::get_main_table(TABLE_MAIN_USER_API_KEY);
         $sql = "SELECT * FROM $t_api WHERE user_id = $user_id AND api_service='$api_service';";
         $res = Database::query($sql);
-        if ($res === false)
-            return false; //error during query
+        if ($res === false) {
+                    return false;
+        }
+        //error during query
         $num = Database::num_rows($res);
-        if ($num == 0)
-            return false;
+        if ($num == 0) {
+                    return false;
+        }
         $list = array();
         while ($row = Database::fetch_array($res)) {
             $list[$row['id']] = $row['api_key'];
@@ -2913,13 +2922,15 @@ 
      */
     public static function add_api_key($user_id = null, $api_service = 'dokeos')
     {
-        if ($user_id != strval(intval($user_id)))
-            return false;
+        if ($user_id != strval(intval($user_id))) {
+                    return false;
+        }
         if (empty($user_id)) {
             $user_id = api_get_user_id();
         }
-        if ($user_id === false)
-            return false;
+        if ($user_id === false) {
+                    return false;
+        }
         $service_name = Database::escape_string($api_service);
         if (is_string($service_name) === false) {
             return false;
@@ -2928,8 +2939,10 @@ 
         $md5 = md5((time() + ($user_id * 5)) - rand(10000, 10000)); //generate some kind of random key
         $sql = "INSERT INTO $t_api (user_id, api_key,api_service) VALUES ($user_id,'$md5','$service_name')";
         $res = Database::query($sql);
-        if ($res === false)
-            return false; //error during query
+        if ($res === false) {
+                    return false;
+        }
+        //error during query
         $num = Database::insert_id();
         return ($num == 0) ? false : $num;
     }
@@ -2941,22 +2954,29 @@ 
      */
     public static function delete_api_key($key_id)
     {
-        if ($key_id != strval(intval($key_id)))
-            return false;
-        if ($key_id === false)
-            return false;
+        if ($key_id != strval(intval($key_id))) {
+                    return false;
+        }
+        if ($key_id === false) {
+                    return false;
+        }
         $t_api = Database::get_main_table(TABLE_MAIN_USER_API_KEY);
         $sql = "SELECT * FROM $t_api WHERE id = ".$key_id;
         $res = Database::query($sql);
-        if ($res === false)
-            return false; //error during query
+        if ($res === false) {
+                    return false;
+        }
+        //error during query
         $num = Database::num_rows($res);
-        if ($num !== 1)
-            return false;
+        if ($num !== 1) {
+                    return false;
+        }
         $sql = "DELETE FROM $t_api WHERE id = ".$key_id;
         $res = Database::query($sql);
-        if ($res === false)
-            return false; //error during query
+        if ($res === false) {
+                    return false;
+        }
+        //error during query
         return true;
     }
 
@@ -2968,10 +2988,12 @@ 
      */
     public static function update_api_key($user_id, $api_service)
     {
-        if ($user_id != strval(intval($user_id)))
-            return false;
-        if ($user_id === false)
-            return false;
+        if ($user_id != strval(intval($user_id))) {
+                    return false;
+        }
+        if ($user_id === false) {
+                    return false;
+        }
         $service_name = Database::escape_string($api_service);
         if (is_string($service_name) === false) {
             return false;
@@ -2997,12 +3019,15 @@ 
      */
     public static function get_api_key_id($user_id, $api_service)
     {
-        if ($user_id != strval(intval($user_id)))
-            return false;
-        if ($user_id === false)
-            return false;
-        if (empty($api_service))
-            return false;
+        if ($user_id != strval(intval($user_id))) {
+                    return false;
+        }
+        if ($user_id === false) {
+                    return false;
+        }
+        if (empty($api_service)) {
+                    return false;
+        }
         $t_api = Database::get_main_table(TABLE_MAIN_USER_API_KEY);
         $api_service = Database::escape_string($api_service);
         $sql = "SELECT id FROM $t_api WHERE user_id=".$user_id." AND api_service='".$api_service."'";
@@ -4473,8 +4498,9 @@ 
                     $form->applyFilter('extra_'.$field_details[1], 'stripslashes');
                     $form->applyFilter('extra_'.$field_details[1], 'trim');
                     if (!$admin_permissions) {
-                        if ($field_details[7] == 0)
-                            $form->freeze('extra_'.$field_details[1]);
+                        if ($field_details[7] == 0) {
+                                                    $form->freeze('extra_'.$field_details[1]);
+                        }
                     }
                     break;
                 case ExtraField::FIELD_TYPE_RADIO:
@@ -4491,8 +4517,9 @@ 
                     }
                     $form->addGroup($group, 'extra_'.$field_details[1], $field_details[3], '');
                     if (!$admin_permissions) {
-                        if ($field_details[7] == 0)
-                            $form->freeze('extra_'.$field_details[1]);
+                        if ($field_details[7] == 0) {
+                                                    $form->freeze('extra_'.$field_details[1]);
+                        }
                     }
                     break;
                 case ExtraField::FIELD_TYPE_SELECT:
@@ -4530,8 +4557,9 @@ 
                     );
 
                     if (!$admin_permissions) {
-                        if ($field_details[7] == 0)
-                            $form->freeze('extra_'.$field_details[1]);
+                        if ($field_details[7] == 0) {
+                                                    $form->freeze('extra_'.$field_details[1]);
+                        }
                     }
                     break;
                 case ExtraField::FIELD_TYPE_SELECT_MULTIPLE:
@@ -4547,8 +4575,9 @@ 
                         array('multiple' => 'multiple')
                     );
                     if (!$admin_permissions) {
-                        if ($field_details[7] == 0)
-                            $form->freeze('extra_'.$field_details[1]);
+                        if ($field_details[7] == 0) {
+                                                    $form->freeze('extra_'.$field_details[1]);
+                        }
                     }
                     break;
                 case ExtraField::FIELD_TYPE_DATE:
@@ -4556,8 +4585,9 @@ 
                     $defaults['extra_'.$field_details[1]] = date('Y-m-d 12:00:00');
                     $form->setDefaults($defaults);
                     if (!$admin_permissions) {
-                        if ($field_details[7] == 0)
-                            $form->freeze('extra_'.$field_details[1]);
+                        if ($field_details[7] == 0) {
+                                                    $form->freeze('extra_'.$field_details[1]);
+                        }
                     }
                     $form->applyFilter('theme', 'trim');
                     break;
@@ -4566,8 +4596,9 @@ 
                     $defaults['extra_'.$field_details[1]] = date('Y-m-d 12:00:00');
                     $form->setDefaults($defaults);
                     if (!$admin_permissions) {
-                        if ($field_details[7] == 0)
-                            $form->freeze('extra_'.$field_details[1]);
+                        if ($field_details[7] == 0) {
+                                                    $form->freeze('extra_'.$field_details[1]);
+                        }
                     }
                     $form->applyFilter('theme', 'trim');
                     break;
@@ -4586,8 +4617,9 @@ 
                     $form->addGroup($group, 'extra_'.$field_details[1], $field_details[3], ' ');
 
                     if (!$admin_permissions) {
-                        if ($field_details[7] == 0)
-                            $form->freeze('extra_'.$field_details[1]);
+                        if ($field_details[7] == 0) {
+                                                    $form->freeze('extra_'.$field_details[1]);
+                        }
                     }
 
                     /* Recoding the selected values for double : if the user has
@@ -4647,8 +4679,9 @@ 
                     break;
                 case ExtraField::FIELD_TYPE_TIMEZONE:
                     $form->addElement('select', 'extra_'.$field_details[1], $field_details[3], api_get_timezones(), '');
-                    if ($field_details[7] == 0)
-                        $form->freeze('extra_'.$field_details[1]);
+                    if ($field_details[7] == 0) {
+                                            $form->freeze('extra_'.$field_details[1]);
+                    }
                     break;
                 case ExtraField::FIELD_TYPE_SOCIAL_PROFILE:
                     // get the social network's favicon
@@ -4673,8 +4706,9 @@ 
                     );
                     $form->applyFilter('extra_'.$field_details[1], 'stripslashes');
                     $form->applyFilter('extra_'.$field_details[1], 'trim');
-                    if ($field_details[7] == 0)
-                        $form->freeze('extra_'.$field_details[1]);
+                    if ($field_details[7] == 0) {
+                                            $form->freeze('extra_'.$field_details[1]);
+                    }
                     break;
                 case ExtraField::FIELD_TYPE_FILE:
                     $extra_field = 'extra_'.$field_details[1];
@@ -4991,8 +5025,9 @@ 
         $url .= "?s=$s&d=$d&r=$r";
         if ( $img ) {
             $url = '<img src="' . $url . '"';
-            foreach ( $atts as $key => $val )
-                $url .= ' ' . $key . '="' . $val . '"';
+            foreach ( $atts as $key => $val ) {
+                            $url .= ' ' . $key . '="' . $val . '"';
+            }
             $url .= ' />';
         }
         return $url;

main/inc/lib/userportal.lib.php

Doc Comments +10 added lines, -4 removed lines

@@ -642,6 +642,7 @@ 
     * retrieves all the courses that the user has already subscribed to
     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
     * @param int $user_id: the id of the user
+    * @param integer $user_id
     * @return array an array containing all the information of the courses of the given user
     */
     public function get_courses_of_user($user_id)
@@ -692,6 +693,11 @@ 
 
     /**
      * @todo use the template system
+     * @param string|null $title
+     * @param string $content
+     * @param string $id
+     * @param string $idAccordion
+     * @param string $idCollpase
      */
     function show_right_block($title, $content, $id = null, $params = null, $idAccordion = null, $idCollpase = null)
     {
@@ -909,7 +915,7 @@ 
     }
 
     /**
-     * @return null|string
+     * @return string
      */
     public function return_course_block()
     {
@@ -1558,8 +1564,8 @@ 
 
     /**
      * Return HTML code for personal user course category
-     * @param $id
-     * @param $title
+     * @param integer $id
+     * @param string $title
      * @return string
      */
     private static function getHtmlForUserCategory($id, $title)
@@ -1580,7 +1586,7 @@ 
     /**
      * return HTML code for course display in session view
      * @param array $courseInfo
-     * @param $userCategoryId
+     * @param integer $userCategoryId
      * @param bool $displayButton
      * @param $loadDirs
      * @return string

Indentation +17 added lines, -17 removed lines

@@ -248,17 +248,17 @@ 
                 }
             }
 
-			if (trim($home_top_temp) == '' && api_is_platform_admin()) {
-				$home_top_temp = '<div class="welcome-mascot">' . get_lang('PortalHomepageDefaultIntroduction') . '</div>';
-			} else {
-				$home_top_temp = '<div class="welcome-home-top-temp">' . $home_top_temp . '</div>';
-			}
-			$open = str_replace('{rel_path}', api_get_path(REL_PATH), $home_top_temp);
-			$html = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
-		}
-
-		return $html;
-	}
+            if (trim($home_top_temp) == '' && api_is_platform_admin()) {
+                $home_top_temp = '<div class="welcome-mascot">' . get_lang('PortalHomepageDefaultIntroduction') . '</div>';
+            } else {
+                $home_top_temp = '<div class="welcome-home-top-temp">' . $home_top_temp . '</div>';
+            }
+            $open = str_replace('{rel_path}', api_get_path(REL_PATH), $home_top_temp);
+            $html = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
+        }
+
+        return $html;
+    }
 
     function return_notice()
     {
@@ -509,7 +509,7 @@ 
                     $thereIsSubCat = true;
                 } elseif (api_get_setting('show_empty_course_categories') == 'true') {
                     /* End changed code to eliminate the (0 courses) after empty categories. */
-                      $htmlListCat .= '<li>';
+                        $htmlListCat .= '<li>';
                     $htmlListCat .= $catLine['name'];
                     $htmlListCat .= "</li>";
                     $thereIsSubCat = true;
@@ -639,11 +639,11 @@ 
     }
 
     /**
-    * retrieves all the courses that the user has already subscribed to
-    * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
-    * @param int $user_id: the id of the user
-    * @return array an array containing all the information of the courses of the given user
-    */
+     * retrieves all the courses that the user has already subscribed to
+     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
+     * @param int $user_id: the id of the user
+     * @return array an array containing all the information of the courses of the given user
+     */
     public function get_courses_of_user($user_id)
     {
         $table_course = Database::get_main_table(TABLE_MAIN_COURSE);

Spacing +78 added lines, -78 removed lines

@@ -44,7 +44,7 @@ 
     {
         $exercise_list = array();
         if (!empty($personal_course_list)) {
-            foreach($personal_course_list as  $course_item) {
+            foreach ($personal_course_list as  $course_item) {
                 $course_code = $course_item['c'];
                 $session_id = $course_item['id_session'];
 
@@ -53,10 +53,10 @@ 
                     $session_id
                 );
 
-                foreach($exercises as $exercise_item) {
-                    $exercise_item['course_code']     = $course_code;
-                    $exercise_item['session_id']     = $session_id;
-                    $exercise_item['tms']     = api_strtotime($exercise_item['end_time'], 'UTC');
+                foreach ($exercises as $exercise_item) {
+                    $exercise_item['course_code'] = $course_code;
+                    $exercise_item['session_id'] = $session_id;
+                    $exercise_item['tms'] = api_strtotime($exercise_item['end_time'], 'UTC');
 
                     $exercise_list[] = $exercise_item;
                 }
@@ -170,7 +170,7 @@ 
                 }
             }
 
-            if ($show_menu && ($show_create_link || $show_course_link )) {
+            if ($show_menu && ($show_create_link || $show_course_link)) {
                 $show_menu = true;
             } else {
                 $show_menu = false;
@@ -182,14 +182,14 @@ 
         if ($show_menu) {
             $html .= '<ul class="nav nav-pills nav-stacked">';
             if ($show_create_link) {
-                $html .= '<li class="add-course"><a href="' . api_get_path(WEB_CODE_PATH) . 'create_course/add_course.php">'.Display::return_icon('new-course.png',  get_lang('CourseCreate')).(api_get_setting('course_validation') == 'true' ? get_lang('CreateCourseRequest') : get_lang('CourseCreate')).'</a></li>';
+                $html .= '<li class="add-course"><a href="'.api_get_path(WEB_CODE_PATH).'create_course/add_course.php">'.Display::return_icon('new-course.png', get_lang('CourseCreate')).(api_get_setting('course_validation') == 'true' ? get_lang('CreateCourseRequest') : get_lang('CourseCreate')).'</a></li>';
             }
 
             if ($show_course_link) {
                 if (!api_is_drh() && !api_is_session_admin()) {
-                    $html .=  '<li class="list-course"><a href="'. api_get_path(WEB_CODE_PATH) . 'auth/courses.php">'. Display::return_icon('catalog-course.png', get_lang('CourseCatalog')) .get_lang('CourseCatalog').'</a></li>';
+                    $html .= '<li class="list-course"><a href="'.api_get_path(WEB_CODE_PATH).'auth/courses.php">'.Display::return_icon('catalog-course.png', get_lang('CourseCatalog')).get_lang('CourseCatalog').'</a></li>';
                 } else {
-                    $html .= '<li><a href="' . api_get_path(WEB_CODE_PATH) . 'dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
+                    $html .= '<li><a href="'.api_get_path(WEB_CODE_PATH).'dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
                 }
             }
             $html .= '</ul>';
@@ -213,7 +213,7 @@ 
         $html = '';
 
         if (!empty($_GET['include']) && preg_match('/^[a-zA-Z0-9_-]*\.html$/', $_GET['include'])) {
-            $open = @(string)file_get_contents(api_get_path(SYS_PATH).$this->home.$_GET['include']);
+            $open = @(string) file_get_contents(api_get_path(SYS_PATH).$this->home.$_GET['include']);
             $html = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
         } else {
             // Hiding home top when user not connected.
@@ -243,15 +243,15 @@ 
                     $home_top_temp = file_get_contents($this->home.'home_top.html');
                 } else {
                     if (file_exists($this->default_home.'home_top.html')) {
-                        $home_top_temp = file_get_contents($this->default_home . 'home_top.html');
+                        $home_top_temp = file_get_contents($this->default_home.'home_top.html');
                     }
                 }
             }
 
 			if (trim($home_top_temp) == '' && api_is_platform_admin()) {
-				$home_top_temp = '<div class="welcome-mascot">' . get_lang('PortalHomepageDefaultIntroduction') . '</div>';
+				$home_top_temp = '<div class="welcome-mascot">'.get_lang('PortalHomepageDefaultIntroduction').'</div>';
 			} else {
-				$home_top_temp = '<div class="welcome-home-top-temp">' . $home_top_temp . '</div>';
+				$home_top_temp = '<div class="welcome-home-top-temp">'.$home_top_temp.'</div>';
 			}
 			$open = str_replace('{rel_path}', api_get_path(REL_PATH), $home_top_temp);
 			$html = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
@@ -267,9 +267,9 @@ 
 
         $html = '';
         // Notice
-        $home_notice = @(string)file_get_contents($sys_path.$this->home.'home_notice_'.$user_selected_language.'.html');
+        $home_notice = @(string) file_get_contents($sys_path.$this->home.'home_notice_'.$user_selected_language.'.html');
         if (empty($home_notice)) {
-            $home_notice = @(string)file_get_contents($sys_path.$this->home.'home_notice.html');
+            $home_notice = @(string) file_get_contents($sys_path.$this->home.'home_notice.html');
         }
 
         if (!empty($home_notice)) {
@@ -294,7 +294,7 @@ 
         }
 
         $html = null;
-        $home_menu = @(string)file_get_contents($sys_path.$this->home.'home_menu_'.$user_selected_language.'.html');
+        $home_menu = @(string) file_get_contents($sys_path.$this->home.'home_menu_'.$user_selected_language.'.html');
         if (!empty($home_menu)) {
             $home_menu_content = '<ul class="nav nav-pills nav-stacked">';
             $home_menu_content .= api_to_system_encoding($home_menu, api_detect_encoding(strip_tags($home_menu)));
@@ -317,9 +317,9 @@ 
         if (!api_is_anonymous()) {
             $certificatesItem = Display::tag(
                 'li',
-                Display::url(Display::return_icon('graduation.png',get_lang('MyCertificates'),null,ICON_SIZE_SMALL).
+                Display::url(Display::return_icon('graduation.png', get_lang('MyCertificates'), null, ICON_SIZE_SMALL).
                     get_lang('MyCertificates'),
-                    api_get_path(WEB_CODE_PATH) . "gradebook/my_certificates.php"
+                    api_get_path(WEB_CODE_PATH)."gradebook/my_certificates.php"
                 )
             );
         }
@@ -329,29 +329,29 @@ 
         if (api_get_setting('allow_public_certificates') == 'true') {
             $searchItem = Display::tag(
                 'li',
-                Display::url(Display::return_icon('search_graduation.png',get_lang('Search'),null,ICON_SIZE_SMALL).
+                Display::url(Display::return_icon('search_graduation.png', get_lang('Search'), null, ICON_SIZE_SMALL).
                     get_lang('Search'),
-                    api_get_path(WEB_CODE_PATH) . "gradebook/search.php"
+                    api_get_path(WEB_CODE_PATH)."gradebook/search.php"
                 )
             );
         }
 
         if (empty($certificatesItem) && empty($searchItem)) {
             return null;
-        }else{
-            $content.= $certificatesItem;
-            $content.= $searchItem;
+        } else {
+            $content .= $certificatesItem;
+            $content .= $searchItem;
         }
 
         if (api_get_setting('allow_skills_tool') == 'true') {
 
-            $content .= Display::tag('li', Display::url(Display::return_icon('skill-badges.png',get_lang('MySkills'),null,ICON_SIZE_SMALL).get_lang('MySkills'), api_get_path(WEB_CODE_PATH).'social/my_skills_report.php'));
+            $content .= Display::tag('li', Display::url(Display::return_icon('skill-badges.png', get_lang('MySkills'), null, ICON_SIZE_SMALL).get_lang('MySkills'), api_get_path(WEB_CODE_PATH).'social/my_skills_report.php'));
             $allowSkillsManagement = api_get_setting('allow_hr_skills_management') == 'true';
             if (($allowSkillsManagement && api_is_drh()) || api_is_platform_admin()) {
                 $content .= Display::tag('li',
                     Display::url(Display::return_icon('edit-skill.png', get_lang('MySkills'), null,
-                            ICON_SIZE_SMALL) . get_lang('ManageSkills'),
-                        api_get_path(WEB_CODE_PATH) . 'admin/skills_wheel.php'));
+                            ICON_SIZE_SMALL).get_lang('ManageSkills'),
+                        api_get_path(WEB_CODE_PATH).'admin/skills_wheel.php'));
             }
         }
         $content .= '</ul>';
@@ -450,7 +450,7 @@ 
                     FROM $main_category_table t1
                     LEFT JOIN $main_category_table t2 ON t1.code=t2.parent_id
                     LEFT JOIN $main_course_table t3 ON (t3.category_code = t1.code $platform_visible_courses)
-                    WHERE t1.parent_id ". (empty ($category) ? "IS NULL" : "='$category'")."
+                    WHERE t1.parent_id ".(empty ($category) ? "IS NULL" : "='$category'")."
                     GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count ORDER BY t1.tree_pos, t1.name";
 
         // Showing only the category of courses of the current access_url_id
@@ -527,10 +527,10 @@ 
         }
         $result .= $htmlTitre;
         if ($thereIsSubCat) {
-            $result .=  $htmlListCat;
+            $result .= $htmlListCat;
         }
         while ($categoryName = Database::fetch_array($resCats)) {
-            $result .= '<h3>' . $categoryName['name'] . "</h3>\n";
+            $result .= '<h3>'.$categoryName['name']."</h3>\n";
         }
         $numrows = Database::num_rows($sql_result_courses);
         $courses_list_string = '';
@@ -628,12 +628,12 @@ 
         if ($courses_shown > 0) {
             // Only display the list of courses and categories if there was more than
                     // 0 courses visible to the world (we're in the anonymous list here).
-            $result .=  $courses_list_string;
+            $result .= $courses_list_string;
         }
         if ($category != '') {
-            $result .=  '<p><a href="'.api_get_self().'"> ' .
+            $result .= '<p><a href="'.api_get_self().'"> '.
                 Display :: return_icon('back.png', get_lang('BackToHomePage')).
-                get_lang('BackToHomePage') . '</a></p>';
+                get_lang('BackToHomePage').'</a></p>';
         }
         return $result;
     }
@@ -697,14 +697,14 @@ 
     {
         if (!empty($idAccordion)) {
             $html = null;
-            $html .= '<div class="panel-group" id="'.$idAccordion.'" role="tablist" aria-multiselectable="true">' . PHP_EOL;
-            $html .= '<div class="panel panel-default" id="'.$id.'">' . PHP_EOL;
-            $html .= '<div class="panel-heading" role="tab"><h4 class="panel-title">' . PHP_EOL;
-            $html .= '<a role="button" data-toggle="collapse" data-parent="#'.$idAccordion.'" href="#'.$idCollpase.'" aria-expanded="true" aria-controls="'.$idCollpase.'">'.$title.'</a>' . PHP_EOL;
-            $html .= '</h4></div>' . PHP_EOL;
-            $html .= '<div id="'.$idCollpase.'" class="panel-collapse collapse in" role="tabpanel">' . PHP_EOL;
-            $html .= '<div class="panel-body">'.$content.'</div>' . PHP_EOL;
-            $html .= '</div></div></div>' . PHP_EOL;
+            $html .= '<div class="panel-group" id="'.$idAccordion.'" role="tablist" aria-multiselectable="true">'.PHP_EOL;
+            $html .= '<div class="panel panel-default" id="'.$id.'">'.PHP_EOL;
+            $html .= '<div class="panel-heading" role="tab"><h4 class="panel-title">'.PHP_EOL;
+            $html .= '<a role="button" data-toggle="collapse" data-parent="#'.$idAccordion.'" href="#'.$idCollpase.'" aria-expanded="true" aria-controls="'.$idCollpase.'">'.$title.'</a>'.PHP_EOL;
+            $html .= '</h4></div>'.PHP_EOL;
+            $html .= '<div id="'.$idCollpase.'" class="panel-collapse collapse in" role="tabpanel">'.PHP_EOL;
+            $html .= '<div class="panel-body">'.$content.'</div>'.PHP_EOL;
+            $html .= '</div></div></div>'.PHP_EOL;
 
         } else {
             if (!empty($id)) {
@@ -713,9 +713,9 @@ 
             $params['class'] = 'panel panel-default';
             $html = null;
             if (!empty($title)) {
-                $html .= '<div class="panel-heading">'.$title.'</div>' . PHP_EOL;
+                $html .= '<div class="panel-heading">'.$title.'</div>'.PHP_EOL;
             }
-            $html.= '<div class="panel-body">'.$content.'</div>' . PHP_EOL;
+            $html .= '<div class="panel-body">'.$content.'</div>'.PHP_EOL;
             $html = Display::div($html, $params);
         }
         return $html;
@@ -761,7 +761,7 @@ 
             $usergroup_list = $usergroup->get_usergroup_by_user(api_get_user_id());
             $classes = '';
             if (!empty($usergroup_list)) {
-                foreach($usergroup_list as $group_id) {
+                foreach ($usergroup_list as $group_id) {
                     $data = $usergroup->get($group_id);
                     $data['name'] = Display::url($data['name'], api_get_path(WEB_CODE_PATH).'user/classes.php?id='.$data['id']);
                     $classes .= Display::tag('li', $data['name']);
@@ -770,7 +770,7 @@ 
             if (api_is_platform_admin()) {
                 $classes .= Display::tag(
                     'li',
-                    Display::url(get_lang('AddClasses') ,api_get_path(WEB_CODE_PATH).'admin/usergroups.php?action=add')
+                    Display::url(get_lang('AddClasses'), api_get_path(WEB_CODE_PATH).'admin/usergroups.php?action=add')
                 );
             }
             if (!empty($classes)) {
@@ -792,11 +792,11 @@ 
             $content = null;
 
             if (api_get_setting('allow_social_tool') == 'true') {
-                $content .= '<a style="text-align:center" href="' . api_get_path(WEB_PATH) . 'main/social/home.php">
-                <img class="img-circle" src="' . $userPicture . '" ></a>';
+                $content .= '<a style="text-align:center" href="'.api_get_path(WEB_PATH).'main/social/home.php">
+                <img class="img-circle" src="' . $userPicture.'" ></a>';
             } else {
-                $content .= '<a style="text-align:center" href="' . api_get_path(WEB_PATH) . 'main/auth/profile.php">
-                <img class="img-circle" title="' . get_lang('EditProfile') . '" src="' . $userPicture. '" ></a>';
+                $content .= '<a style="text-align:center" href="'.api_get_path(WEB_PATH).'main/auth/profile.php">
+                <img class="img-circle" title="' . get_lang('EditProfile').'" src="'.$userPicture.'" ></a>';
             }
 
             $html = self::show_right_block(
@@ -848,12 +848,12 @@ 
             if (api_get_setting('allow_social_tool') == 'true') {
                 $link = '?f=social';
             }
-            $profile_content .= '<li class="inbox-message-social"><a href="'.api_get_path(WEB_PATH).'main/messages/inbox.php'.$link.'">'.Display::return_icon('inbox.png',get_lang('Inbox'),null,ICON_SIZE_SMALL).get_lang('Inbox').$cant_msg.' </a></li>';
-            $profile_content .= '<li class="new-message-social"><a href="'.api_get_path(WEB_PATH).'main/messages/new_message.php'.$link.'">'.Display::return_icon('new-message.png',get_lang('Compose'),null,ICON_SIZE_SMALL).get_lang('Compose').' </a></li>';
+            $profile_content .= '<li class="inbox-message-social"><a href="'.api_get_path(WEB_PATH).'main/messages/inbox.php'.$link.'">'.Display::return_icon('inbox.png', get_lang('Inbox'), null, ICON_SIZE_SMALL).get_lang('Inbox').$cant_msg.' </a></li>';
+            $profile_content .= '<li class="new-message-social"><a href="'.api_get_path(WEB_PATH).'main/messages/new_message.php'.$link.'">'.Display::return_icon('new-message.png', get_lang('Compose'), null, ICON_SIZE_SMALL).get_lang('Compose').' </a></li>';
 
             if (api_get_setting('allow_social_tool') == 'true') {
                 $total_invitations = Display::badge($total_invitations);
-                $profile_content .= '<li class="invitations-social"><a href="'.api_get_path(WEB_PATH).'main/social/invitations.php">'.Display::return_icon('invitations.png',get_lang('PendingInvitations'),null,ICON_SIZE_SMALL).get_lang('PendingInvitations').$total_invitations.'</a></li>';
+                $profile_content .= '<li class="invitations-social"><a href="'.api_get_path(WEB_PATH).'main/social/invitations.php">'.Display::return_icon('invitations.png', get_lang('PendingInvitations'), null, ICON_SIZE_SMALL).get_lang('PendingInvitations').$total_invitations.'</a></li>';
             }
 
             if (isset($_configuration['allow_my_files_link_in_homepage']) && $_configuration['allow_my_files_link_in_homepage']) {
@@ -869,7 +869,7 @@ 
 
         $editProfileUrl = Display::getProfileEditionLink($user_id);
 
-        $profile_content .= '<li class="profile-social"><a href="' . $editProfileUrl . '">'.Display::return_icon('edit-profile.png',get_lang('EditProfile'),null,ICON_SIZE_SMALL).get_lang('EditProfile').'</a></li>';
+        $profile_content .= '<li class="profile-social"><a href="'.$editProfileUrl.'">'.Display::return_icon('edit-profile.png', get_lang('EditProfile'), null, ICON_SIZE_SMALL).get_lang('EditProfile').'</a></li>';
         $profile_content .= '</ul>';
         $html = self::show_right_block(
             get_lang('Profile'),
@@ -944,17 +944,17 @@ 
         if ($show_create_link) {
             $my_account_content .= '<li class="add-course"><a href="main/create_course/add_course.php">';
             if (api_get_setting('course_validation') == 'true' && !api_is_platform_admin()) {
-                $my_account_content .= Display::return_icon('new-course.png',get_lang('CreateCourseRequest'),null,ICON_SIZE_SMALL);
+                $my_account_content .= Display::return_icon('new-course.png', get_lang('CreateCourseRequest'), null, ICON_SIZE_SMALL);
                 $my_account_content .= get_lang('CreateCourseRequest');
             } else {
-                $my_account_content .= Display::return_icon('new-course.png',get_lang('CourseCreate'),null,ICON_SIZE_SMALL);
+                $my_account_content .= Display::return_icon('new-course.png', get_lang('CourseCreate'), null, ICON_SIZE_SMALL);
                 $my_account_content .= get_lang('CourseCreate');
             }
             $my_account_content .= '</a></li>';
 
             if (SessionManager::allowToManageSessions()) {
                 $my_account_content .= '<li class="add-course"><a href="main/session/session_add.php">';
-                $my_account_content .= Display::return_icon('session.png',get_lang('AddSession'),null,ICON_SIZE_SMALL);
+                $my_account_content .= Display::return_icon('session.png', get_lang('AddSession'), null, ICON_SIZE_SMALL);
                 $my_account_content .= get_lang('AddSession');
                 $my_account_content .= '</a></li>';
             }
@@ -962,21 +962,21 @@ 
 
         //Sort courses
         $url = api_get_path(WEB_CODE_PATH).'auth/courses.php?action=sortmycourses';
-        $img_order= Display::return_icon('order-course.png',get_lang('SortMyCourses'),null,ICON_SIZE_SMALL);
+        $img_order = Display::return_icon('order-course.png', get_lang('SortMyCourses'), null, ICON_SIZE_SMALL);
         $my_account_content .= '<li class="order-course">'.Display::url($img_order.get_lang('SortMyCourses'), $url, array('class' => 'sort course')).'</li>';
 
         // Session history
         if (isset($_GET['history']) && intval($_GET['history']) == 1) {
-            $my_account_content .= '<li class="history-course"><a href="user_portal.php">'.Display::return_icon('history-course.png',get_lang('DisplayTrainingList'),null,ICON_SIZE_SMALL).get_lang('DisplayTrainingList').'</a></li>';
+            $my_account_content .= '<li class="history-course"><a href="user_portal.php">'.Display::return_icon('history-course.png', get_lang('DisplayTrainingList'), null, ICON_SIZE_SMALL).get_lang('DisplayTrainingList').'</a></li>';
         } else {
-            $my_account_content .= '<li class="history-course"><a href="user_portal.php?history=1" >'.Display::return_icon('history-course.png',get_lang('HistoryTrainingSessions'),null,ICON_SIZE_SMALL).get_lang('HistoryTrainingSessions').'</a></li>';
+            $my_account_content .= '<li class="history-course"><a href="user_portal.php?history=1" >'.Display::return_icon('history-course.png', get_lang('HistoryTrainingSessions'), null, ICON_SIZE_SMALL).get_lang('HistoryTrainingSessions').'</a></li>';
         }
 
         // Course catalog
 
         if ($show_course_link) {
             if (!api_is_drh()) {
-                $my_account_content .= '<li class="list-course"><a href="main/auth/courses.php" >'.Display::return_icon('catalog-course.png',get_lang('CourseCatalog'),null,ICON_SIZE_SMALL).get_lang('CourseCatalog').'</a></li>';
+                $my_account_content .= '<li class="list-course"><a href="main/auth/courses.php" >'.Display::return_icon('catalog-course.png', get_lang('CourseCatalog'), null, ICON_SIZE_SMALL).get_lang('CourseCatalog').'</a></li>';
             } else {
                 $my_account_content .= '<li><a href="main/dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
             }
@@ -1153,10 +1153,10 @@ 
 
                             $extra_info = !empty($session_box['coach']) ? $session_box['coach'] : null;
                             $extra_info .= !empty($session_box['coach'])
-                                ? ' - ' . $session_box['dates']
+                                ? ' - '.$session_box['dates']
                                 : $session_box['dates'];
                             $extra_info .= isset($session_box['duration'])
-                                ? ' ' . $session_box['duration']
+                                ? ' '.$session_box['duration']
                                 : null;
 
                             $params['extra_fields'] = $session_box['extra_fields'];
@@ -1276,8 +1276,8 @@ 
                                 $sessionParams['show_link_to_session'] = !api_is_drh() && $sessionTitleLink;
                                 $sessionParams['title'] = $session_box['title'];
                                 $sessionParams['subtitle'] = (!empty($session_box['coach'])
-                                    ? $session_box['coach'] . ' | '
-                                    : '') . $session_box['dates'];
+                                    ? $session_box['coach'].' | '
+                                    : '').$session_box['dates'];
                                 $sessionParams['show_actions'] = api_is_platform_admin();
                                 $sessionParams['courses'] = $html_courses_session;
                                 $sessionParams['show_simple_session_info'] = false;
@@ -1327,14 +1327,14 @@ 
                                 !empty($session_category_start_date) &&
                                 $session_category_start_date != '0000-00-00'
                             ) {
-                                $categoryParams['subtitle'] = get_lang('From') . ' ' . $session_category_start_date;
+                                $categoryParams['subtitle'] = get_lang('From').' '.$session_category_start_date;
                             }
 
                             if (
                                 !empty($session_category_end_date) &&
                                 $session_category_end_date != '0000-00-00'
                             ) {
-                                $categoryParams['subtitle'] = get_lang('Until') . ' ' . $session_category_end_date;
+                                $categoryParams['subtitle'] = get_lang('Until').' '.$session_category_end_date;
                             }
                         }
 
@@ -1408,7 +1408,7 @@ 
         if ($load_history) {
             $html .= Display::page_subheader(get_lang('HistoryTrainingSession'));
             if (empty($session_categories)) {
-                $html .=  get_lang('YouDoNotHaveAnySessionInItsHistory');
+                $html .= get_lang('YouDoNotHaveAnySessionInItsHistory');
             }
         }
 
@@ -1481,7 +1481,7 @@ 
                     } else {
                         $htmlCategory .= '<div class="session-view-row" >';
                     }
-                    $coursesInfo =  $listCourse['course'];
+                    $coursesInfo = $listCourse['course'];
 
                     $htmlCategory .= self::getHtmlForCourse(
                         $coursesInfo,
@@ -1498,7 +1498,7 @@ 
                             $listCategorySession['catSessionName']
                         );
                         // list of session
-                        $htmlSession = '';    // start
+                        $htmlSession = ''; // start
                         foreach ($listCategorySession['sessionList'] as $k => $listSession) {
                             // add session
                             $htmlSession .= '<div class="session-view-row">';
@@ -1515,8 +1515,8 @@ 
                         $htmlSessionCategory .= $htmlSession;
                     }
                     $htmlSessionCategory .= '</div>'; // end session cat block
-                    $htmlCategory .=  $htmlSessionCategory .'</div>' ;
-                    $htmlCategory .= '';   // end course block
+                    $htmlCategory .= $htmlSessionCategory.'</div>';
+                    $htmlCategory .= ''; // end course block
                 }
                 $userCategoryHtml .= $htmlCategory;
             }
@@ -1541,11 +1541,11 @@ 
                 }
             }
             $htmlCategory .= '';
-            $userCategoryHtml .= $htmlCategory;   // end user cat block
+            $userCategoryHtml .= $htmlCategory; // end user cat block
             if ($userCategoryId != 0) {
                 $userCategoryHtml .= '</div>';
             }
-            $html .= $userCategoryHtml;   //
+            $html .= $userCategoryHtml; //
         }
         $html .= '</div>';
 
@@ -1686,11 +1686,11 @@ 
         $html = '';
 
         if ($categorySessionId == 0) {
-            $class1 = 'session-view-lvl-2';    // session
-            $class2 = 'session-view-lvl-4';    // got to course in session link
+            $class1 = 'session-view-lvl-2'; // session
+            $class2 = 'session-view-lvl-4'; // got to course in session link
         } else {
-            $class1 = 'session-view-lvl-3';    // session
-            $class2 = 'session-view-lvl-5';    // got to course in session link
+            $class1 = 'session-view-lvl-3'; // session
+            $class2 = 'session-view-lvl-5'; // got to course in session link
         }
 
         $icon = Display::return_icon(
@@ -1718,7 +1718,7 @@ 
         if ($listA['userCatTitle'] == $listB['userCatTitle']) {
             if ($listA['title'] == $listB['title']) {
                 return 0;
-            } else if($listA['title'] > $listB['title']) {
+            } else if ($listA['title'] > $listB['title']) {
                 return 1;
             } else {
                 return -1;
@@ -1739,7 +1739,7 @@ 
     {
         if ($listA['title'] == $listB['title']) {
             return 0;
-        } else if($listA['title'] > $listB['title']) {
+        } else if ($listA['title'] > $listB['title']) {
             return 1;
         } else {
             return -1;

Braces +1 added lines, -1 removed lines

@@ -338,7 +338,7 @@
 
         if (empty($certificatesItem) && empty($searchItem)) {
             return null;
-        }else{
+        } else{
             $content.= $certificatesItem;
             $content.= $searchItem;
         }

main/inc/lib/VideoChat.php

Doc Comments +1 added lines, -1 removed lines

@@ -43,7 +43,7 @@
      * Create a video chat
      * @param int $fromUser The sender user
      * @param int $toUser The receiver user
-     * @return int The created video chat id. Otherwise return false
+     * @return false|string The created video chat id. Otherwise return false
      */
     public static function createRoom($fromUser, $toUser)
     {

main/inc/lib/xajax/xajax.inc.php

Doc Comments +2 added lines, -1 removed lines

@@ -500,7 +500,7 @@ 
 	 * Returns the current request mode (XAJAX_GET or XAJAX_POST), or -1 if
 	 * there is none.
 	 *
-	 * @return mixed
+	 * @return integer
 	 */
 	function getRequestMode()
 	{
@@ -1018,6 +1018,7 @@ 
 	 *
 	 * @param string the root tag of the XML
 	 * @param string XML to convert
+	 * @param string $rootTag
 	 * @access private
 	 * @return array
 	 */

Spacing +68 added lines, -68 removed lines

@@ -45,21 +45,21 @@ 
  * Define XAJAX_DEFAULT_CHAR_ENCODING that is used by both
  * the xajax and xajaxResponse classes
  */
-if (!defined ('XAJAX_DEFAULT_CHAR_ENCODING'))
+if (!defined('XAJAX_DEFAULT_CHAR_ENCODING'))
 {
-	define ('XAJAX_DEFAULT_CHAR_ENCODING', 'utf-8' );
+	define('XAJAX_DEFAULT_CHAR_ENCODING', 'utf-8');
 }
 
 /**
  * Communication Method Defines
  */
-if (!defined ('XAJAX_GET'))
+if (!defined('XAJAX_GET'))
 {
-	define ('XAJAX_GET', 0);
+	define('XAJAX_GET', 0);
 }
-if (!defined ('XAJAX_POST'))
+if (!defined('XAJAX_POST'))
 {
-	define ('XAJAX_POST', 1);
+	define('XAJAX_POST', 1);
 }
 
 /**
@@ -167,7 +167,7 @@ 
 	 * @param string  defaults to XAJAX_DEFAULT_CHAR_ENCODING defined above
 	 * @param boolean defaults to false
 	 */
-	function xajax($sRequestURI="",$sWrapperPrefix="xajax_",$sEncoding=XAJAX_DEFAULT_CHAR_ENCODING,$bDebug=false)
+	function xajax($sRequestURI = "", $sWrapperPrefix = "xajax_", $sEncoding = XAJAX_DEFAULT_CHAR_ENCODING, $bDebug = false)
 	{
 		$this->aFunctions = array();
 		$this->aObjects = array();
@@ -393,7 +393,7 @@ 
 	 * @param mixed  request type (XAJAX_GET/XAJAX_POST) that should be used
 	 *               for this function.  Defaults to XAJAX_POST.
 	 */
-	function registerFunction($mFunction,$sRequestType=XAJAX_POST)
+	function registerFunction($mFunction, $sRequestType = XAJAX_POST)
 	{
 		if (is_array($mFunction)) {
 			$this->aFunctions[$mFunction[0]] = 1;
@@ -420,7 +420,7 @@ 
 	 * @param mixed  the RequestType (XAJAX_GET/XAJAX_POST) that should be used
 	 *		          for this function. Defaults to XAJAX_POST.
 	 */
-	function registerExternalFunction($mFunction,$sIncludeFile,$sRequestType=XAJAX_POST)
+	function registerExternalFunction($mFunction, $sIncludeFile, $sRequestType = XAJAX_POST)
 	{
 		$this->registerFunction($mFunction, $sRequestType);
 
@@ -546,10 +546,10 @@ 
 		}
 		else
 		{
-			header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
-			header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
-			header ("Cache-Control: no-cache, must-revalidate");
-			header ("Pragma: no-cache");
+			header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+			header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+			header("Cache-Control: no-cache, must-revalidate");
+			header("Pragma: no-cache");
 
 			$sFunctionName = $_GET["xajax"];
 
@@ -567,12 +567,12 @@ 
 			if (!$this->_isFunctionCallable($this->sPreFunction)) {
 				$bFoundFunction = false;
 				$objResponse = new xajaxResponse();
-				$objResponse->addAlert("Unknown Pre-Function ". $this->sPreFunction);
+				$objResponse->addAlert("Unknown Pre-Function ".$this->sPreFunction);
 				$sResponse = $objResponse->getXML();
 			}
 		}
 		//include any external dependencies associated with this function name
-		if (array_key_exists($sFunctionName,$this->aFunctionIncludeFiles))
+		if (array_key_exists($sFunctionName, $this->aFunctionIncludeFiles))
 		{
 			ob_start();
 			include_once($this->aFunctionIncludeFiles[$sFunctionName]);
@@ -612,13 +612,13 @@ 
 
 					$aArgs[$i] = stripslashes($aArgs[$i]);
 				}
-				if (stristr($aArgs[$i],"<xjxobj>") != false)
+				if (stristr($aArgs[$i], "<xjxobj>") != false)
 				{
-					$aArgs[$i] = $this->_xmlToArray("xjxobj",$aArgs[$i]);
+					$aArgs[$i] = $this->_xmlToArray("xjxobj", $aArgs[$i]);
 				}
-				else if (stristr($aArgs[$i],"<xjxquery>") != false)
+				else if (stristr($aArgs[$i], "<xjxquery>") != false)
 				{
-					$aArgs[$i] = $this->_xmlToArray("xjxquery",$aArgs[$i]);
+					$aArgs[$i] = $this->_xmlToArray("xjxquery", $aArgs[$i]);
 				}
 				else if ($this->bDecodeUTF8Input)
 				{
@@ -674,16 +674,16 @@ 
 		if ($this->sEncoding && strlen(trim($this->sEncoding)) > 0)
 			$sContentHeader .= " charset=".$this->sEncoding;
 		header($sContentHeader);
-		if ($this->bErrorHandler && !empty( $GLOBALS['xajaxErrorHandlerText'] )) {
+		if ($this->bErrorHandler && !empty($GLOBALS['xajaxErrorHandlerText'])) {
 			$sErrorResponse = new xajaxResponse();
-			$sErrorResponse->addAlert("** PHP Error Messages: **" . $GLOBALS['xajaxErrorHandlerText']);
+			$sErrorResponse->addAlert("** PHP Error Messages: **".$GLOBALS['xajaxErrorHandlerText']);
 			if ($this->sLogFile) {
 				$fH = @fopen($this->sLogFile, "a");
 				if (!$fH) {
-					$sErrorResponse->addAlert("** Logging Error **\n\nxajax was unable to write to the error log file:\n" . $this->sLogFile);
+					$sErrorResponse->addAlert("** Logging Error **\n\nxajax was unable to write to the error log file:\n".$this->sLogFile);
 				}
 				else {
-					fwrite($fH, "** xajax Error Log - " . strftime("%b %e %Y %I:%M:%S %p") . " **" . $GLOBALS['xajaxErrorHandlerText'] . "\n\n\n");
+					fwrite($fH, "** xajax Error Log - ".strftime("%b %e %Y %I:%M:%S %p")." **".$GLOBALS['xajaxErrorHandlerText']."\n\n\n");
 					fclose($fH);
 				}
 			}
@@ -725,7 +725,7 @@ 
 	 *               engine located within the xajax installation folder.
 	 *               Defaults to xajax_js/xajax.js.
 	 */
-	function printJavascript($sJsURI="", $sJsFile=NULL)
+	function printJavascript($sJsURI = "", $sJsFile = NULL)
 	{
 		print $this->getJavascript($sJsURI, $sJsFile);
 	}
@@ -754,7 +754,7 @@ 
 	 *               Defaults to xajax_js/xajax.js.
 	 * @return string
 	 */
-	function getJavascript($sJsURI="", $sJsFile=NULL)
+	function getJavascript($sJsURI = "", $sJsFile = NULL)
 	{
 		$html = $this->getJavascriptConfig();
 		$html .= $this->getJavascriptInclude($sJsURI, $sJsFile);
@@ -772,15 +772,15 @@ 
 	{
 		$html  = "\t<script type=\"text/javascript\">\n";
 		$html .= "var xajaxRequestUri=\"".$this->sRequestURI."\";\n";
-		$html .= "var xajaxDebug=".($this->bDebug?"true":"false").";\n";
-		$html .= "var xajaxStatusMessages=".($this->bStatusMessages?"true":"false").";\n";
-		$html .= "var xajaxWaitCursor=".($this->bWaitCursor?"true":"false").";\n";
+		$html .= "var xajaxDebug=".($this->bDebug ? "true" : "false").";\n";
+		$html .= "var xajaxStatusMessages=".($this->bStatusMessages ? "true" : "false").";\n";
+		$html .= "var xajaxWaitCursor=".($this->bWaitCursor ? "true" : "false").";\n";
 		$html .= "var xajaxDefinedGet=".XAJAX_GET.";\n";
 		$html .= "var xajaxDefinedPost=".XAJAX_POST.";\n";
 		$html .= "var xajaxLoaded=false;\n";
 
-		foreach($this->aFunctions as $sFunction => $bExists) {
-			$html .= $this->_wrap($sFunction,$this->aFunctionRequestTypes[$sFunction]);
+		foreach ($this->aFunctions as $sFunction => $bExists) {
+			$html .= $this->_wrap($sFunction, $this->aFunctionRequestTypes[$sFunction]);
 		}
 
 		$html .= "\t</script>\n";
@@ -804,13 +804,13 @@ 
 	 *               Defaults to xajax_js/xajax.js.
 	 * @return string
 	 */
-	function getJavascriptInclude($sJsURI="", $sJsFile=NULL)
+	function getJavascriptInclude($sJsURI = "", $sJsFile = NULL)
 	{
 		if ($sJsFile == NULL) $sJsFile = "xajax_js/xajax.js";
 
 		if ($sJsURI != "" && substr($sJsURI, -1) != "/") $sJsURI .= "/";
 
-		$html = "\t<script type=\"text/javascript\" src=\"" . $sJsURI . $sJsFile . "\"></script>\n";
+		$html = "\t<script type=\"text/javascript\" src=\"".$sJsURI.$sJsFile."\"></script>\n";
 		$html .= "\t<script type=\"text/javascript\">\n";
 		$html .= "window.setTimeout(function () { if (!xajaxLoaded) { alert('Error: the xajax Javascript file could not be included. Perhaps the URL is incorrect?\\nURL: {$sJsURI}{$sJsFile}'); } }, 6000);\n";
 		$html .= "\t</script>\n";
@@ -825,7 +825,7 @@ 
 	 * @param string an optional argument containing the full server file path
 	 *               of xajax.js.
 	 */
-	function autoCompressJavascript($sJsFullFilename=NULL)
+	function autoCompressJavascript($sJsFullFilename = NULL)
 	{
 		$sJsFile = "xajax_js/xajax.js";
 
@@ -834,21 +834,21 @@ 
 		}
 		else {
 			$realPath = realpath(dirname(__FILE__));
-			$realJsFile = $realPath . "/". $sJsFile;
+			$realJsFile = $realPath."/".$sJsFile;
 		}
 
 		// Create a compressed file if necessary
 		if (!file_exists($realJsFile)) {
 			$srcFile = str_replace(".js", "_uncompressed.js", $realJsFile);
 			if (!file_exists($srcFile)) {
-				trigger_error("The xajax uncompressed Javascript file could not be found in the <b>" . dirname($realJsFile) . "</b> folder. Error ", E_USER_ERROR);
+				trigger_error("The xajax uncompressed Javascript file could not be found in the <b>".dirname($realJsFile)."</b> folder. Error ", E_USER_ERROR);
 			}
 			require(dirname(__FILE__)."/xajaxCompress.php");
 			$javaScript = implode('', file($srcFile));
 			$compressedScript = xajaxCompressJavascript($javaScript);
 			$fH = @fopen($realJsFile, "w");
 			if (!$fH) {
-				trigger_error("The xajax compressed javascript file could not be written in the <b>" . dirname($realJsFile) . "</b> folder. Error ", E_USER_ERROR);
+				trigger_error("The xajax compressed javascript file could not be written in the <b>".dirname($realJsFile)."</b> folder. Error ", E_USER_ERROR);
 			}
 			else {
 				fwrite($fH, $compressedScript);
@@ -917,23 +917,23 @@ 
 		// Build the URL: Start with scheme, user and pass
 		$sURL = $aURL['scheme'].'://';
 		if (!empty($aURL['user'])) {
-			$sURL.= $aURL['user'];
+			$sURL .= $aURL['user'];
 			if (!empty($aURL['pass'])) {
-				$sURL.= ':'.$aURL['pass'];
+				$sURL .= ':'.$aURL['pass'];
 			}
-			$sURL.= '@';
+			$sURL .= '@';
 		}
 
 		// Add the host
-		$sURL.= $aURL['host'];
+		$sURL .= $aURL['host'];
 
 		// Add the port if needed
 		if (!empty($aURL['port']) && (($aURL['scheme'] == 'http' && $aURL['port'] != 80) || ($aURL['scheme'] == 'https' && $aURL['port'] != 443))) {
-			$sURL.= ':'.$aURL['port'];
+			$sURL .= ':'.$aURL['port'];
 		}
 
 		// Add the path and the query string
-		$sURL.= $aURL['path'].@$aURL['query'];
+		$sURL .= $aURL['path'].@$aURL['query'];
 
 		// Clean up
 		unset($aURL);
@@ -1005,7 +1005,7 @@ 
 	 * @access private
 	 * @return string
 	 */
-	function _wrap($sFunction,$sRequestType=XAJAX_POST)
+	function _wrap($sFunction, $sRequestType = XAJAX_POST)
 	{
 		$js = "function ".$this->sWrapperPrefix."$sFunction(){return xajax.call(\"$sFunction\", arguments, ".$sRequestType.");}\n";
 		return $js;
@@ -1024,18 +1024,18 @@ 
 	function _xmlToArray($rootTag, $sXml)
 	{
 		$aArray = array();
-		$sXml = str_replace("<$rootTag>","<$rootTag>|~|",$sXml);
-		$sXml = str_replace("</$rootTag>","</$rootTag>|~|",$sXml);
-		$sXml = str_replace("<e>","<e>|~|",$sXml);
-		$sXml = str_replace("</e>","</e>|~|",$sXml);
-		$sXml = str_replace("<k>","<k>|~|",$sXml);
-		$sXml = str_replace("</k>","|~|</k>|~|",$sXml);
-		$sXml = str_replace("<v>","<v>|~|",$sXml);
-		$sXml = str_replace("</v>","|~|</v>|~|",$sXml);
-		$sXml = str_replace("<q>","<q>|~|",$sXml);
-		$sXml = str_replace("</q>","|~|</q>|~|",$sXml);
-
-		$this->aObjArray = explode("|~|",$sXml);
+		$sXml = str_replace("<$rootTag>", "<$rootTag>|~|", $sXml);
+		$sXml = str_replace("</$rootTag>", "</$rootTag>|~|", $sXml);
+		$sXml = str_replace("<e>", "<e>|~|", $sXml);
+		$sXml = str_replace("</e>", "</e>|~|", $sXml);
+		$sXml = str_replace("<k>", "<k>|~|", $sXml);
+		$sXml = str_replace("</k>", "|~|</k>|~|", $sXml);
+		$sXml = str_replace("<v>", "<v>|~|", $sXml);
+		$sXml = str_replace("</v>", "|~|</v>|~|", $sXml);
+		$sXml = str_replace("<q>", "<q>|~|", $sXml);
+		$sXml = str_replace("</q>", "|~|</q>|~|", $sXml);
+
+		$this->aObjArray = explode("|~|", $sXml);
 
 		$this->iPos = 0;
 		$aArray = $this->_parseObjXml($rootTag);
@@ -1057,32 +1057,32 @@ 
 
 		if ($rootTag == "xjxobj")
 		{
-			while(!stristr($this->aObjArray[$this->iPos],"</xjxobj>"))
+			while (!stristr($this->aObjArray[$this->iPos], "</xjxobj>"))
 			{
 				$this->iPos++;
-				if(stristr($this->aObjArray[$this->iPos],"<e>"))
+				if (stristr($this->aObjArray[$this->iPos], "<e>"))
 				{
 					$key = "";
 					$value = null;
 
 					$this->iPos++;
-					while(!stristr($this->aObjArray[$this->iPos],"</e>"))
+					while (!stristr($this->aObjArray[$this->iPos], "</e>"))
 					{
-						if(stristr($this->aObjArray[$this->iPos],"<k>"))
+						if (stristr($this->aObjArray[$this->iPos], "<k>"))
 						{
 							$this->iPos++;
-							while(!stristr($this->aObjArray[$this->iPos],"</k>"))
+							while (!stristr($this->aObjArray[$this->iPos], "</k>"))
 							{
 								$key .= $this->aObjArray[$this->iPos];
 								$this->iPos++;
 							}
 						}
-						if(stristr($this->aObjArray[$this->iPos],"<v>"))
+						if (stristr($this->aObjArray[$this->iPos], "<v>"))
 						{
 							$this->iPos++;
-							while(!stristr($this->aObjArray[$this->iPos],"</v>"))
+							while (!stristr($this->aObjArray[$this->iPos], "</v>"))
 							{
-								if(stristr($this->aObjArray[$this->iPos],"<xjxobj>"))
+								if (stristr($this->aObjArray[$this->iPos], "<xjxobj>"))
 								{
 									$value = $this->_parseObjXml("xjxobj");
 									$this->iPos++;
@@ -1101,7 +1101,7 @@ 
 						$this->iPos++;
 					}
 
-					$aArray[$key]=$value;
+					$aArray[$key] = $value;
 				}
 			}
 		}
@@ -1110,21 +1110,21 @@ 
 		{
 			$sQuery = "";
 			$this->iPos++;
-			while(!stristr($this->aObjArray[$this->iPos],"</xjxquery>"))
+			while (!stristr($this->aObjArray[$this->iPos], "</xjxquery>"))
 			{
-				if (stristr($this->aObjArray[$this->iPos],"<q>") || stristr($this->aObjArray[$this->iPos],"</q>"))
+				if (stristr($this->aObjArray[$this->iPos], "<q>") || stristr($this->aObjArray[$this->iPos], "</q>"))
 				{
 					$this->iPos++;
 					continue;
 				}
-				$sQuery	.= $this->aObjArray[$this->iPos];
+				$sQuery .= $this->aObjArray[$this->iPos];
 				$this->iPos++;
 			}
 
 			parse_str($sQuery, $aArray);
 			if ($this->bDecodeUTF8Input)
 			{
-				foreach($aArray as $key => $value)
+				foreach ($aArray as $key => $value)
 				{
 					$aArray[$key] = $this->_decodeUTF8Data($value);
 				}

Braces +84 added lines, -86 removed lines

@@ -173,8 +173,9 @@ 
 		$this->aObjects = array();
 		$this->aFunctionIncludeFiles = array();
 		$this->sRequestURI = $sRequestURI;
-		if ($this->sRequestURI == "")
-			$this->sRequestURI = $this->_detectURI();
+		if ($this->sRequestURI == "") {
+					$this->sRequestURI = $this->_detectURI();
+		}
 		$this->sWrapperPrefix = $sWrapperPrefix;
 		$this->bDebug = $bDebug;
 		$this->bStatusMessages = false;
@@ -399,8 +400,7 @@ 
 			$this->aFunctions[$mFunction[0]] = 1;
 			$this->aFunctionRequestTypes[$mFunction[0]] = $sRequestType;
 			$this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
-		}
-		else {
+		} else {
 			$this->aFunctions[$mFunction] = 1;
 			$this->aFunctionRequestTypes[$mFunction] = $sRequestType;
 		}
@@ -426,8 +426,7 @@ 
 
 		if (is_array($mFunction)) {
 			$this->aFunctionIncludeFiles[$mFunction[0]] = $sIncludeFile;
-		}
-		else {
+		} else {
 			$this->aFunctionIncludeFiles[$mFunction] = $sIncludeFile;
 		}
 	}
@@ -451,8 +450,7 @@ 
 		if (is_array($mFunction)) {
 			$this->sCatchAllFunction = $mFunction[0];
 			$this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
-		}
-		else {
+		} else {
 			$this->sCatchAllFunction = $mFunction;
 		}
 	}
@@ -477,8 +475,7 @@ 
 		if (is_array($mFunction)) {
 			$this->sPreFunction = $mFunction[0];
 			$this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
-		}
-		else {
+		} else {
 			$this->sPreFunction = $mFunction;
 		}
 	}
@@ -492,7 +489,9 @@ 
 	 */
 	function canProcessRequests()
 	{
-		if ($this->getRequestMode() != -1) return true;
+		if ($this->getRequestMode() != -1) {
+		    return true;
+		}
 		return false;
 	}
 
@@ -504,11 +503,13 @@ 
 	 */
 	function getRequestMode()
 	{
-		if (!empty($_GET["xajax"]))
-			return XAJAX_GET;
+		if (!empty($_GET["xajax"])) {
+					return XAJAX_GET;
+		}
 
-		if (!empty($_POST["xajax"]))
-			return XAJAX_POST;
+		if (!empty($_POST["xajax"])) {
+					return XAJAX_POST;
+		}
 
 		return -1;
 	}
@@ -535,16 +536,18 @@ 
 		$sResponse = "";
 
 		$requestMode = $this->getRequestMode();
-		if ($requestMode == -1) return;
+		if ($requestMode == -1) {
+		    return;
+		}
 
 		if ($requestMode == XAJAX_POST)
 		{
 			$sFunctionName = $_POST["xajax"];
 
-			if (!empty($_POST["xajaxargs"]))
-				$aArgs = $_POST["xajaxargs"];
-		}
-		else
+			if (!empty($_POST["xajaxargs"])) {
+							$aArgs = $_POST["xajaxargs"];
+			}
+		} else
 		{
 			header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
 			header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
@@ -553,8 +556,9 @@ 
 
 			$sFunctionName = $_GET["xajax"];
 
-			if (!empty($_GET["xajaxargs"]))
-				$aArgs = $_GET["xajaxargs"];
+			if (!empty($_GET["xajaxargs"])) {
+							$aArgs = $_GET["xajaxargs"];
+			}
 		}
 
 		// Use xajax error handler if necessary
@@ -586,15 +590,13 @@ 
 				if ($this->sCatchAllFunction) {
 					$sFunctionName = $this->sCatchAllFunction;
 					$bFunctionIsCatchAll = true;
-				}
-				else {
+				} else {
 					$bFoundFunction = false;
 					$objResponse = new xajaxResponse();
 					$objResponse->addAlert("Unknown Function $sFunctionName.");
 					$sResponse = $objResponse->getXML();
 				}
-			}
-			else if ($this->aFunctionRequestTypes[$sFunctionName] != $requestMode)
+			} else if ($this->aFunctionRequestTypes[$sFunctionName] != $requestMode)
 			{
 				$bFoundFunction = false;
 				$objResponse = new xajaxResponse();
@@ -615,12 +617,10 @@ 
 				if (stristr($aArgs[$i],"<xjxobj>") != false)
 				{
 					$aArgs[$i] = $this->_xmlToArray("xjxobj",$aArgs[$i]);
-				}
-				else if (stristr($aArgs[$i],"<xjxquery>") != false)
+				} else if (stristr($aArgs[$i],"<xjxquery>") != false)
 				{
 					$aArgs[$i] = $this->_xmlToArray("xjxquery",$aArgs[$i]);
-				}
-				else if ($this->bDecodeUTF8Input)
+				} else if ($this->bDecodeUTF8Input)
 				{
 					$aArgs[$i] = $this->_decodeUTF8Data($aArgs[$i]);
 				}
@@ -631,14 +631,15 @@ 
 				if (is_array($mPreResponse) && $mPreResponse[0] === false) {
 					$bEndRequest = true;
 					$sPreResponse = $mPreResponse[1];
-				}
-				else {
+				} else {
 					$sPreResponse = $mPreResponse;
 				}
 				if (is_a($sPreResponse, "xajaxResponse")) {
 					$sPreResponse = $sPreResponse->getXML();
 				}
-				if ($bEndRequest) $sResponse = $sPreResponse;
+				if ($bEndRequest) {
+				    $sResponse = $sPreResponse;
+				}
 			}
 
 			if (!$bEndRequest) {
@@ -646,8 +647,7 @@ 
 					$objResponse = new xajaxResponse();
 					$objResponse->addAlert("The Registered Function $sFunctionName Could Not Be Found.");
 					$sResponse = $objResponse->getXML();
-				}
-				else {
+				} else {
 					if ($bFunctionIsCatchAll) {
 						$aArgs = array($sFunctionNameForSpecial, $aArgs);
 					}
@@ -660,8 +660,7 @@ 
 					$objResponse = new xajaxResponse();
 					$objResponse->addAlert("No XML Response Was Returned By Function $sFunctionName.");
 					$sResponse = $objResponse->getXML();
-				}
-				else if ($sPreResponse != "") {
+				} else if ($sPreResponse != "") {
 					$sNewResponse = new xajaxResponse($this->sEncoding, $this->bOutputEntities);
 					$sNewResponse->loadXML($sPreResponse);
 					$sNewResponse->loadXML($sResponse);
@@ -671,8 +670,9 @@ 
 		}
 
 		$sContentHeader = "Content-type: text/xml;";
-		if ($this->sEncoding && strlen(trim($this->sEncoding)) > 0)
-			$sContentHeader .= " charset=".$this->sEncoding;
+		if ($this->sEncoding && strlen(trim($this->sEncoding)) > 0) {
+					$sContentHeader .= " charset=".$this->sEncoding;
+		}
 		header($sContentHeader);
 		if ($this->bErrorHandler && !empty( $GLOBALS['xajaxErrorHandlerText'] )) {
 			$sErrorResponse = new xajaxResponse();
@@ -681,8 +681,7 @@ 
 				$fH = @fopen($this->sLogFile, "a");
 				if (!$fH) {
 					$sErrorResponse->addAlert("** Logging Error **\n\nxajax was unable to write to the error log file:\n" . $this->sLogFile);
-				}
-				else {
+				} else {
 					fwrite($fH, "** xajax Error Log - " . strftime("%b %e %Y %I:%M:%S %p") . " **" . $GLOBALS['xajaxErrorHandlerText'] . "\n\n\n");
 					fclose($fH);
 				}
@@ -692,12 +691,17 @@ 
 			$sResponse = $sErrorResponse->getXML();
 
 		}
-		if ($this->bCleanBuffer) while (@ob_end_clean());
+		if ($this->bCleanBuffer) {
+		    while (@ob_end_clean());
+		}
 		print $sResponse;
-		if ($this->bErrorHandler) restore_error_handler();
+		if ($this->bErrorHandler) {
+		    restore_error_handler();
+		}
 
-		if ($this->bExitAllowed)
-			exit();
+		if ($this->bExitAllowed) {
+					exit();
+		}
 	}
 
 	/**
@@ -806,9 +810,13 @@ 
 	 */
 	function getJavascriptInclude($sJsURI="", $sJsFile=NULL)
 	{
-		if ($sJsFile == NULL) $sJsFile = "xajax_js/xajax.js";
+		if ($sJsFile == NULL) {
+		    $sJsFile = "xajax_js/xajax.js";
+		}
 
-		if ($sJsURI != "" && substr($sJsURI, -1) != "/") $sJsURI .= "/";
+		if ($sJsURI != "" && substr($sJsURI, -1) != "/") {
+		    $sJsURI .= "/";
+		}
 
 		$html = "\t<script type=\"text/javascript\" src=\"" . $sJsURI . $sJsFile . "\"></script>\n";
 		$html .= "\t<script type=\"text/javascript\">\n";
@@ -831,8 +839,7 @@ 
 
 		if ($sJsFullFilename) {
 			$realJsFile = $sJsFullFilename;
-		}
-		else {
+		} else {
 			$realPath = realpath(dirname(__FILE__));
 			$realJsFile = $realPath . "/". $sJsFile;
 		}
@@ -849,8 +856,7 @@ 
 			$fH = @fopen($realJsFile, "w");
 			if (!$fH) {
 				trigger_error("The xajax compressed javascript file could not be written in the <b>" . dirname($realJsFile) . "</b> folder. Error ", E_USER_ERROR);
-			}
-			else {
+			} else {
 				fwrite($fH, $compressedScript);
 				fclose($fH);
 			}
@@ -950,7 +956,9 @@ 
 	 */
 	function _isObjectCallback($sFunction)
 	{
-		if (array_key_exists($sFunction, $this->aObjects)) return true;
+		if (array_key_exists($sFunction, $this->aObjects)) {
+		    return true;
+		}
 		return false;
 	}
 
@@ -967,12 +975,10 @@ 
 		if ($this->_isObjectCallback($sFunction)) {
 			if (is_object($this->aObjects[$sFunction][0])) {
 				return method_exists($this->aObjects[$sFunction][0], $this->aObjects[$sFunction][1]);
-			}
-			else {
+			} else {
 				return is_callable($this->aObjects[$sFunction]);
 			}
-		}
-		else {
+		} else {
 			return function_exists($sFunction);
 		}
 	}
@@ -990,8 +996,7 @@ 
 	{
 		if ($this->_isObjectCallback($sFunction)) {
 			$mReturn = call_user_func_array($this->aObjects[$sFunction], $aArgs);
-		}
-		else {
+		} else {
 			$mReturn = call_user_func_array($sFunction, $aArgs);
 		}
 		return $mReturn;
@@ -1086,8 +1091,7 @@ 
 								{
 									$value = $this->_parseObjXml("xjxobj");
 									$this->iPos++;
-								}
-								else
+								} else
 								{
 									$value .= $this->aObjArray[$this->iPos];
 									if ($this->bDecodeUTF8Input)
@@ -1134,10 +1138,11 @@ 
 			if (get_magic_quotes_gpc() == 1) {
 				$newArray = array();
 				foreach ($aArray as $sKey => $sValue) {
-					if (is_string($sValue))
-						$newArray[$sKey] = stripslashes($sValue);
-					else
-						$newArray[$sKey] = $sValue;
+					if (is_string($sValue)) {
+											$newArray[$sKey] = stripslashes($sValue);
+					} else {
+											$newArray[$sKey] = $sValue;
+					}
 				}
 				$aArray = $newArray;
 			}
@@ -1166,20 +1171,18 @@ 
 				$sFuncToUse = "api_convert_encoding";
 			}
 			//if (function_exists('iconv'))
-			elseif (function_exists('iconv'))
-			//
+			elseif (function_exists('iconv')) {
+						//
 			{
 				$sFuncToUse = "iconv";
 			}
-			else if (function_exists('mb_convert_encoding'))
+			} else if (function_exists('mb_convert_encoding'))
 			{
 				$sFuncToUse = "mb_convert_encoding";
-			}
-			else if ($this->sEncoding == "ISO-8859-1")
+			} else if ($this->sEncoding == "ISO-8859-1")
 			{
 				$sFuncToUse = "utf8_decode";
-			}
-			else
+			} else
 			{
 				trigger_error("The incoming xajax data could not be converted from UTF-8", E_USER_NOTICE);
 			}
@@ -1191,8 +1194,7 @@ 
 					if ($sFuncToUse == "iconv")
 					{
 						$sValue = iconv("UTF-8", $this->sEncoding.'//TRANSLIT', $sValue);
-					}
-					else if ($sFuncToUse == "mb_convert_encoding")
+					} else if ($sFuncToUse == "mb_convert_encoding")
 					{
 						$sValue = mb_convert_encoding($sValue, $this->sEncoding, "UTF-8");
 					}
@@ -1221,27 +1223,23 @@ 
 function xajaxErrorHandler($errno, $errstr, $errfile, $errline)
 {
 	$errorReporting = error_reporting();
-	if (($errno & $errorReporting) == 0) return;
+	if (($errno & $errorReporting) == 0) {
+	    return;
+	}
 
 	if ($errno == E_NOTICE) {
 		$errTypeStr = "NOTICE";
-	}
-	else if ($errno == E_WARNING) {
+	} else if ($errno == E_WARNING) {
 		$errTypeStr = "WARNING";
-	}
-	else if ($errno == E_USER_NOTICE) {
+	} else if ($errno == E_USER_NOTICE) {
 		$errTypeStr = "USER NOTICE";
-	}
-	else if ($errno == E_USER_WARNING) {
+	} else if ($errno == E_USER_WARNING) {
 		$errTypeStr = "USER WARNING";
-	}
-	else if ($errno == E_USER_ERROR) {
+	} else if ($errno == E_USER_ERROR) {
 		$errTypeStr = "USER FATAL ERROR";
-	}
-	else if ($errno == E_STRICT) {
+	} else if ($errno == E_STRICT) {
 		return;
-	}
-	else {
+	} else {
 		$errTypeStr = "UNKNOWN: $errno";
 	}
 	$GLOBALS['xajaxErrorHandlerText'] .= "\n----\n[$errTypeStr] $errstr\nerror in line $errline of file $errfile";

Indentation +1198 added lines, -1198 removed lines

@@ -1,38 +1,38 @@ 
 <?php
 /**
- * xajax.inc.php :: Main xajax class and setup file
- *
- * xajax version 0.2.4
- * copyright (c) 2005 by Jared White & J. Max Wilson
- * http://www.xajaxproject.org
- *
- * xajax is an open source PHP class library for easily creating powerful
- * PHP-driven, web-based Ajax Applications. Using xajax, you can asynchronously
- * call PHP functions and update the content of your your webpage without
- * reloading the page.
- *
- * xajax is released under the terms of the LGPL license
- * http://www.gnu.org/copyleft/lesser.html#SEC3
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * @package chamilo.include.xajax
- * @version $Id: xajax.inc.php,v 1.1 2006/07/21 15:29:46 elixir_inter Exp $
- * @copyright Copyright (c) 2005-2006  by Jared White & J. Max Wilson
- * @license http://www.gnu.org/copyleft/lesser.html#SEC3 LGPL License
- */
+     * xajax.inc.php :: Main xajax class and setup file
+     *
+     * xajax version 0.2.4
+     * copyright (c) 2005 by Jared White & J. Max Wilson
+     * http://www.xajaxproject.org
+     *
+     * xajax is an open source PHP class library for easily creating powerful
+     * PHP-driven, web-based Ajax Applications. Using xajax, you can asynchronously
+     * call PHP functions and update the content of your your webpage without
+     * reloading the page.
+     *
+     * xajax is released under the terms of the LGPL license
+     * http://www.gnu.org/copyleft/lesser.html#SEC3
+     *
+     * This library is free software; you can redistribute it and/or
+     * modify it under the terms of the GNU Lesser General Public
+     * License as published by the Free Software Foundation; either
+     * version 2.1 of the License, or (at your option) any later version.
+     *
+     * This library is distributed in the hope that it will be useful,
+     * but WITHOUT ANY WARRANTY; without even the implied warranty of
+     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     * Lesser General Public License for more details.
+     *
+     * You should have received a copy of the GNU Lesser General Public
+     * License along with this library; if not, write to the Free Software
+     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+     *
+     * @package chamilo.include.xajax
+     * @version $Id: xajax.inc.php,v 1.1 2006/07/21 15:29:46 elixir_inter Exp $
+     * @copyright Copyright (c) 2005-2006  by Jared White & J. Max Wilson
+     * @license http://www.gnu.org/copyleft/lesser.html#SEC3 LGPL License
+     */
 
 /*
    ----------------------------------------------------------------------------
@@ -47,7 +47,7 @@ 
  */
 if (!defined ('XAJAX_DEFAULT_CHAR_ENCODING'))
 {
-	define ('XAJAX_DEFAULT_CHAR_ENCODING', 'utf-8' );
+    define ('XAJAX_DEFAULT_CHAR_ENCODING', 'utf-8' );
 }
 
 /**
@@ -55,11 +55,11 @@ 
  */
 if (!defined ('XAJAX_GET'))
 {
-	define ('XAJAX_GET', 0);
+    define ('XAJAX_GET', 0);
 }
 if (!defined ('XAJAX_POST'))
 {
-	define ('XAJAX_POST', 1);
+    define ('XAJAX_POST', 1);
 }
 
 /**
@@ -72,1145 +72,1145 @@ 
  */
 class xajax
 {
-	/**#@+
+    /**#@+
 	 * @access protected
 	 */
-	/**
-	 * @var array Array of PHP functions that will be callable through javascript wrappers
-	 */
-	var $aFunctions;
-	/**
-	 * @var array Array of object callbacks that will allow Javascript to call PHP methods (key=function name)
-	 */
-	var $aObjects;
-	/**
-	 * @var array Array of RequestTypes to be used with each function (key=function name)
-	 */
-	var $aFunctionRequestTypes;
-	/**
-	 * @var array Array of Include Files for any external functions (key=function name)
-	 */
-	var $aFunctionIncludeFiles;
-	/**
-	 * @var string Name of the PHP function to call if no callable function was found
-	 */
-	var $sCatchAllFunction;
-	/**
-	 * @var string Name of the PHP function to call before any other function
-	 */
-	var $sPreFunction;
-	/**
-	 * @var string The URI for making requests to the xajax object
-	 */
-	var $sRequestURI;
-	/**
-	 * @var string The prefix to prepend to the javascript wraper function name
-	 */
-	var $sWrapperPrefix;
-	/**
-	 * @var boolean Show debug messages (default false)
-	 */
-	var $bDebug;
-	/**
-	 * @var boolean Show messages in the client browser's status bar (default false)
-	 */
-	var $bStatusMessages;
-	/**
-	 * @var boolean Allow xajax to exit after processing a request (default true)
-	 */
-	var $bExitAllowed;
-	/**
-	 * @var boolean Use wait cursor in browser (default true)
-	 */
-	var $bWaitCursor;
-	/**
-	 * @var boolean Use an special xajax error handler so the errors are sent to the browser properly (default false)
-	 */
-	var $bErrorHandler;
-	/**
-	 * @var string Specify what, if any, file xajax should log errors to (and more information in a future release)
-	 */
-	var $sLogFile;
-	/**
-	 * @var boolean Clean all output buffers before outputting response (default false)
-	 */
-	var $bCleanBuffer;
-	/**
-	 * @var string String containing the character encoding used
-	 */
-	var $sEncoding;
-	/**
-	 * @var boolean Decode input request args from UTF-8 (default false)
-	 */
-	var $bDecodeUTF8Input;
-	/**
-	 * @var boolean Convert special characters to HTML entities (default false)
-	 */
-	var $bOutputEntities;
-	/**
-	 * @var array Array for parsing complex objects
-	 */
-	var $aObjArray;
-	/**
-	 * @var integer Position in $aObjArray
-	 */
-	var $iPos;
-
-	/**#@-*/
-
-	/**
-	 * Constructor. You can set some extra xajax options right away or use
-	 * individual methods later to set options.
-	 *
-	 * @param string  defaults to the current browser URI
-	 * @param string  defaults to "xajax_";
-	 * @param string  defaults to XAJAX_DEFAULT_CHAR_ENCODING defined above
-	 * @param boolean defaults to false
-	 */
-	function xajax($sRequestURI="",$sWrapperPrefix="xajax_",$sEncoding=XAJAX_DEFAULT_CHAR_ENCODING,$bDebug=false)
-	{
-		$this->aFunctions = array();
-		$this->aObjects = array();
-		$this->aFunctionIncludeFiles = array();
-		$this->sRequestURI = $sRequestURI;
-		if ($this->sRequestURI == "")
-			$this->sRequestURI = $this->_detectURI();
-		$this->sWrapperPrefix = $sWrapperPrefix;
-		$this->bDebug = $bDebug;
-		$this->bStatusMessages = false;
-		$this->bWaitCursor = true;
-		$this->bExitAllowed = true;
-		$this->bErrorHandler = false;
-		$this->sLogFile = "";
-		$this->bCleanBuffer = false;
-		$this->setCharEncoding($sEncoding);
-		$this->bDecodeUTF8Input = false;
-		$this->bOutputEntities = false;
-	}
-
-	/**
-	 * Sets the URI to which requests will be made.
-	 * <i>Usage:</i> <kbd>$xajax->setRequestURI("http://www.xajaxproject.org");</kbd>
-	 *
-	 * @param string the URI (can be absolute or relative) of the PHP script
-	 *               that will be accessed when an xajax request occurs
-	 */
-	function setRequestURI($sRequestURI)
-	{
-		$this->sRequestURI = $sRequestURI;
-	}
-
-	/**
-	 * Sets the prefix that will be appended to the Javascript wrapper
-	 * functions (default is "xajax_").
-	 *
-	 * @param string
-	 */
-	//
-	function setWrapperPrefix($sPrefix)
-	{
-		$this->sWrapperPrefix = $sPrefix;
-	}
-
-	/**
-	 * Enables debug messages for xajax.
-	 * */
-	function debugOn()
-	{
-		$this->bDebug = true;
-	}
-
-	/**
-	 * Disables debug messages for xajax (default behavior).
-	 */
-	function debugOff()
-	{
-		$this->bDebug = false;
-	}
-
-	/**
-	 * Enables messages in the browser's status bar for xajax.
-	 */
-	function statusMessagesOn()
-	{
-		$this->bStatusMessages = true;
-	}
-
-	/**
-	 * Disables messages in the browser's status bar for xajax (default behavior).
-	 */
-	function statusMessagesOff()
-	{
-		$this->bStatusMessages = false;
-	}
-
-	/**
-	 * Enables the wait cursor to be displayed in the browser (default behavior).
-	 */
-	function waitCursorOn()
-	{
-		$this->bWaitCursor = true;
-	}
-
-	/**
-	 * Disables the wait cursor to be displayed in the browser.
-	 */
-	function waitCursorOff()
-	{
-		$this->bWaitCursor = false;
-	}
-
-	/**
-	 * Enables xajax to exit immediately after processing a request and
-	 * sending the response back to the browser (default behavior).
-	 */
-	function exitAllowedOn()
-	{
-		$this->bExitAllowed = true;
-	}
-
-	/**
-	 * Disables xajax's default behavior of exiting immediately after
-	 * processing a request and sending the response back to the browser.
-	 */
-	function exitAllowedOff()
-	{
-		$this->bExitAllowed = false;
-	}
-
-	/**
-	 * Turns on xajax's error handling system so that PHP errors that occur
-	 * during a request are trapped and pushed to the browser in the form of
-	 * a Javascript alert.
-	 */
-	function errorHandlerOn()
-	{
-		$this->bErrorHandler = true;
-	}
-
-	/**
-	 * Turns off xajax's error handling system (default behavior).
-	 */
-	function errorHandlerOff()
-	{
-		$this->bErrorHandler = false;
-	}
-
-	/**
-	 * Specifies a log file that will be written to by xajax during a request
-	 * (used only by the error handling system at present). If you don't invoke
-	 * this method, or you pass in "", then no log file will be written to.
-	 * <i>Usage:</i> <kbd>$xajax->setLogFile("/xajax_logs/errors.log");</kbd>
-	 */
-	function setLogFile($sFilename)
-	{
-		$this->sLogFile = $sFilename;
-	}
-
-	/**
-	 * Causes xajax to clean out all output buffers before outputting a
-	 * response (default behavior).
-	 */
-	function cleanBufferOn()
-	{
-		$this->bCleanBuffer = true;
-	}
-	/**
-	 * Turns off xajax's output buffer cleaning.
-	 */
-	function cleanBufferOff()
-	{
-		$this->bCleanBuffer = false;
-	}
-
-	/**
-	 * Sets the character encoding for the HTTP output based on
-	 * <kbd>$sEncoding</kbd>, which is a string containing the character
-	 * encoding to use. You don't need to use this method normally, since the
-	 * character encoding for the response gets set automatically based on the
-	 * <kbd>XAJAX_DEFAULT_CHAR_ENCODING</kbd> constant.
-	 * <i>Usage:</i> <kbd>$xajax->setCharEncoding("utf-8");</kbd>
-	 *
-	 * @param string the encoding type to use (utf-8, iso-8859-1, etc.)
-	 */
-	function setCharEncoding($sEncoding)
-	{
-		$this->sEncoding = $sEncoding;
-	}
-
-	/**
-	 * Causes xajax to decode the input request args from UTF-8 to the current
-	 * encoding if possible. Either the iconv or mb_string extension must be
-	 * present for optimal functionality.
-	 */
-	function decodeUTF8InputOn()
-	{
-		$this->bDecodeUTF8Input = true;
-	}
-
-	/**
-	 * Turns off decoding the input request args from UTF-8 (default behavior).
-	 */
-	function decodeUTF8InputOff()
-	{
-		$this->bDecodeUTF8Input = false;
-	}
-
-	/**
-	 * Tells the response object to convert special characters to HTML entities
-	 * automatically (only works if the mb_string extension is available).
-	 */
-	function outputEntitiesOn()
-	{
-		$this->bOutputEntities = true;
-	}
-
-	/**
-	 * Tells the response object to output special characters intact. (default
-	 * behavior).
-	 */
-	function outputEntitiesOff()
-	{
-		$this->bOutputEntities = false;
-	}
-
-	/**
-	 * Registers a PHP function or method to be callable through xajax in your
-	 * Javascript. If you want to register a function, pass in the name of that
-	 * function. If you want to register a static class method, pass in an
-	 * array like so:
-	 * <kbd>array("myFunctionName", "myClass", "myMethod")</kbd>
-	 * For an object instance method, use an object variable for the second
-	 * array element (and in PHP 4 make sure you put an & before the variable
-	 * to pass the object by reference). Note: the function name is what you
-	 * call via Javascript, so it can be anything as long as it doesn't
-	 * conflict with any other registered function name.
-	 *
-	 * <i>Usage:</i> <kbd>$xajax->registerFunction("myFunction");</kbd>
-	 * or: <kbd>$xajax->registerFunction(array("myFunctionName", &$myObject, "myMethod"));</kbd>
-	 *
-	 * @param mixed  contains the function name or an object callback array
-	 * @param mixed  request type (XAJAX_GET/XAJAX_POST) that should be used
-	 *               for this function.  Defaults to XAJAX_POST.
-	 */
-	function registerFunction($mFunction,$sRequestType=XAJAX_POST)
-	{
-		if (is_array($mFunction)) {
-			$this->aFunctions[$mFunction[0]] = 1;
-			$this->aFunctionRequestTypes[$mFunction[0]] = $sRequestType;
-			$this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
-		}
-		else {
-			$this->aFunctions[$mFunction] = 1;
-			$this->aFunctionRequestTypes[$mFunction] = $sRequestType;
-		}
-	}
-
-	/**
-	 * Registers a PHP function to be callable through xajax which is located
-	 * in some other file.  If the function is requested the external file will
-	 * be included to define the function before the function is called.
-	 *
-	 * <i>Usage:</i> <kbd>$xajax->registerExternalFunction("myFunction","myFunction.inc.php",XAJAX_POST);</kbd>
-	 *
-	 * @param string contains the function name or an object callback array
-	 *               ({@link xajax::registerFunction() see registerFunction} for
-	 *               more info on object callback arrays)
-	 * @param string contains the path and filename of the include file
-	 * @param mixed  the RequestType (XAJAX_GET/XAJAX_POST) that should be used
-	 *		          for this function. Defaults to XAJAX_POST.
-	 */
-	function registerExternalFunction($mFunction,$sIncludeFile,$sRequestType=XAJAX_POST)
-	{
-		$this->registerFunction($mFunction, $sRequestType);
-
-		if (is_array($mFunction)) {
-			$this->aFunctionIncludeFiles[$mFunction[0]] = $sIncludeFile;
-		}
-		else {
-			$this->aFunctionIncludeFiles[$mFunction] = $sIncludeFile;
-		}
-	}
-
-	/**
-	 * Registers a PHP function to be called when xajax cannot find the
-	 * function being called via Javascript. Because this is technically
-	 * impossible when using "wrapped" functions, the catch-all feature is
-	 * only useful when you're directly using the xajax.call() Javascript
-	 * method. Use the catch-all feature when you want more dynamic ability to
-	 * intercept unknown calls and handle them in a custom way.
-	 *
-	 * <i>Usage:</i> <kbd>$xajax->registerCatchAllFunction("myCatchAllFunction");</kbd>
-	 *
-	 * @param string contains the function name or an object callback array
-	 *               ({@link xajax::registerFunction() see registerFunction} for
-	 *               more info on object callback arrays)
-	 */
-	function registerCatchAllFunction($mFunction)
-	{
-		if (is_array($mFunction)) {
-			$this->sCatchAllFunction = $mFunction[0];
-			$this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
-		}
-		else {
-			$this->sCatchAllFunction = $mFunction;
-		}
-	}
-
-	/**
-	 * Registers a PHP function to be called before xajax calls the requested
-	 * function. xajax will automatically add the request function's response
-	 * to the pre-function's response to create a single response. Another
-	 * feature is the ability to return not just a response, but an array with
-	 * the first element being false (a boolean) and the second being the
-	 * response. In this case, the pre-function's response will be returned to
-	 * the browser without xajax calling the requested function.
-	 *
-	 * <i>Usage:</i> <kbd>$xajax->registerPreFunction("myPreFunction");</kbd>
-	 *
-	 * @param string contains the function name or an object callback array
-	 *               ({@link xajax::registerFunction() see registerFunction} for
-	 *               more info on object callback arrays)
-	 */
-	function registerPreFunction($mFunction)
-	{
-		if (is_array($mFunction)) {
-			$this->sPreFunction = $mFunction[0];
-			$this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
-		}
-		else {
-			$this->sPreFunction = $mFunction;
-		}
-	}
-
-	/**
-	 * Returns true if xajax can process the request, false if otherwise.
-	 * You can use this to determine if xajax needs to process the request or
-	 * not.
-	 *
-	 * @return boolean
-	 */
-	function canProcessRequests()
-	{
-		if ($this->getRequestMode() != -1) return true;
-		return false;
-	}
-
-	/**
-	 * Returns the current request mode (XAJAX_GET or XAJAX_POST), or -1 if
-	 * there is none.
-	 *
-	 * @return mixed
-	 */
-	function getRequestMode()
-	{
-		if (!empty($_GET["xajax"]))
-			return XAJAX_GET;
-
-		if (!empty($_POST["xajax"]))
-			return XAJAX_POST;
-
-		return -1;
-	}
-
-	/**
-	 * This is the main communications engine of xajax. The engine handles all
-	 * incoming xajax requests, calls the apporiate PHP functions (or
-	 * class/object methods) and passes the XML responses back to the
-	 * Javascript response handler. If your RequestURI is the same as your Web
-	 * page then this function should be called before any headers or HTML has
-	 * been sent.
-	 */
-	function processRequests()
-	{
-
-		$requestMode = -1;
-		$sFunctionName = "";
-		$bFoundFunction = true;
-		$bFunctionIsCatchAll = false;
-		$sFunctionNameForSpecial = "";
-		$aArgs = array();
-		$sPreResponse = "";
-		$bEndRequest = false;
-		$sResponse = "";
-
-		$requestMode = $this->getRequestMode();
-		if ($requestMode == -1) return;
-
-		if ($requestMode == XAJAX_POST)
-		{
-			$sFunctionName = $_POST["xajax"];
-
-			if (!empty($_POST["xajaxargs"]))
-				$aArgs = $_POST["xajaxargs"];
-		}
-		else
-		{
-			header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
-			header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
-			header ("Cache-Control: no-cache, must-revalidate");
-			header ("Pragma: no-cache");
-
-			$sFunctionName = $_GET["xajax"];
-
-			if (!empty($_GET["xajaxargs"]))
-				$aArgs = $_GET["xajaxargs"];
-		}
-
-		// Use xajax error handler if necessary
-		if ($this->bErrorHandler) {
-			$GLOBALS['xajaxErrorHandlerText'] = "";
-			set_error_handler("xajaxErrorHandler");
-		}
-
-		if ($this->sPreFunction) {
-			if (!$this->_isFunctionCallable($this->sPreFunction)) {
-				$bFoundFunction = false;
-				$objResponse = new xajaxResponse();
-				$objResponse->addAlert("Unknown Pre-Function ". $this->sPreFunction);
-				$sResponse = $objResponse->getXML();
-			}
-		}
-		//include any external dependencies associated with this function name
-		if (array_key_exists($sFunctionName,$this->aFunctionIncludeFiles))
-		{
-			ob_start();
-			include_once($this->aFunctionIncludeFiles[$sFunctionName]);
-			ob_end_clean();
-		}
-
-		if ($bFoundFunction) {
-			$sFunctionNameForSpecial = $sFunctionName;
-			if (!array_key_exists($sFunctionName, $this->aFunctions))
-			{
-				if ($this->sCatchAllFunction) {
-					$sFunctionName = $this->sCatchAllFunction;
-					$bFunctionIsCatchAll = true;
-				}
-				else {
-					$bFoundFunction = false;
-					$objResponse = new xajaxResponse();
-					$objResponse->addAlert("Unknown Function $sFunctionName.");
-					$sResponse = $objResponse->getXML();
-				}
-			}
-			else if ($this->aFunctionRequestTypes[$sFunctionName] != $requestMode)
-			{
-				$bFoundFunction = false;
-				$objResponse = new xajaxResponse();
-				$objResponse->addAlert("Incorrect Request Type.");
-				$sResponse = $objResponse->getXML();
-			}
-		}
-
-		if ($bFoundFunction)
-		{
-			for ($i = 0; $i < sizeof($aArgs); $i++)
-			{
-				// If magic quotes is on, then we need to strip the slashes from the args
-				if (get_magic_quotes_gpc() == 1 && is_string($aArgs[$i])) {
-
-					$aArgs[$i] = stripslashes($aArgs[$i]);
-				}
-				if (stristr($aArgs[$i],"<xjxobj>") != false)
-				{
-					$aArgs[$i] = $this->_xmlToArray("xjxobj",$aArgs[$i]);
-				}
-				else if (stristr($aArgs[$i],"<xjxquery>") != false)
-				{
-					$aArgs[$i] = $this->_xmlToArray("xjxquery",$aArgs[$i]);
-				}
-				else if ($this->bDecodeUTF8Input)
-				{
-					$aArgs[$i] = $this->_decodeUTF8Data($aArgs[$i]);
-				}
-			}
-
-			if ($this->sPreFunction) {
-				$mPreResponse = $this->_callFunction($this->sPreFunction, array($sFunctionNameForSpecial, $aArgs));
-				if (is_array($mPreResponse) && $mPreResponse[0] === false) {
-					$bEndRequest = true;
-					$sPreResponse = $mPreResponse[1];
-				}
-				else {
-					$sPreResponse = $mPreResponse;
-				}
-				if (is_a($sPreResponse, "xajaxResponse")) {
-					$sPreResponse = $sPreResponse->getXML();
-				}
-				if ($bEndRequest) $sResponse = $sPreResponse;
-			}
-
-			if (!$bEndRequest) {
-				if (!$this->_isFunctionCallable($sFunctionName)) {
-					$objResponse = new xajaxResponse();
-					$objResponse->addAlert("The Registered Function $sFunctionName Could Not Be Found.");
-					$sResponse = $objResponse->getXML();
-				}
-				else {
-					if ($bFunctionIsCatchAll) {
-						$aArgs = array($sFunctionNameForSpecial, $aArgs);
-					}
-					$sResponse = $this->_callFunction($sFunctionName, $aArgs);
-				}
-				if (is_a($sResponse, "xajaxResponse")) {
-					$sResponse = $sResponse->getXML();
-				}
-				if (!is_string($sResponse) || strpos($sResponse, "<xjx>") === FALSE) {
-					$objResponse = new xajaxResponse();
-					$objResponse->addAlert("No XML Response Was Returned By Function $sFunctionName.");
-					$sResponse = $objResponse->getXML();
-				}
-				else if ($sPreResponse != "") {
-					$sNewResponse = new xajaxResponse($this->sEncoding, $this->bOutputEntities);
-					$sNewResponse->loadXML($sPreResponse);
-					$sNewResponse->loadXML($sResponse);
-					$sResponse = $sNewResponse->getXML();
-				}
-			}
-		}
-
-		$sContentHeader = "Content-type: text/xml;";
-		if ($this->sEncoding && strlen(trim($this->sEncoding)) > 0)
-			$sContentHeader .= " charset=".$this->sEncoding;
-		header($sContentHeader);
-		if ($this->bErrorHandler && !empty( $GLOBALS['xajaxErrorHandlerText'] )) {
-			$sErrorResponse = new xajaxResponse();
-			$sErrorResponse->addAlert("** PHP Error Messages: **" . $GLOBALS['xajaxErrorHandlerText']);
-			if ($this->sLogFile) {
-				$fH = @fopen($this->sLogFile, "a");
-				if (!$fH) {
-					$sErrorResponse->addAlert("** Logging Error **\n\nxajax was unable to write to the error log file:\n" . $this->sLogFile);
-				}
-				else {
-					fwrite($fH, "** xajax Error Log - " . strftime("%b %e %Y %I:%M:%S %p") . " **" . $GLOBALS['xajaxErrorHandlerText'] . "\n\n\n");
-					fclose($fH);
-				}
-			}
-
-			$sErrorResponse->loadXML($sResponse);
-			$sResponse = $sErrorResponse->getXML();
-
-		}
-		if ($this->bCleanBuffer) while (@ob_end_clean());
-		print $sResponse;
-		if ($this->bErrorHandler) restore_error_handler();
-
-		if ($this->bExitAllowed)
-			exit();
-	}
-
-	/**
-	 * Prints the xajax Javascript header and wrapper code into your page by
-	 * printing the output of the getJavascript() method. It should only be
-	 * called between the <pre><head> </head></pre> tags in your HTML page.
-	 * Remember, if you only want to obtain the result of this function, use
-	 * {@link xajax::getJavascript()} instead.
-	 *
-	 * <i>Usage:</i>
-	 * <code>
-	 *  <head>
-	 *		...
-	 *		< ?php $xajax->printJavascript(); ? >
-	 * </code>
-	 *
-	 * @param string the relative address of the folder where xajax has been
-	 *               installed. For instance, if your PHP file is
-	 *               "http://www.myserver.com/myfolder/mypage.php"
-	 *               and xajax was installed in
-	 *               "http://www.myserver.com/anotherfolder", then $sJsURI
-	 *               should be set to "../anotherfolder". Defaults to assuming
-	 *               xajax is in the same folder as your PHP file.
-	 * @param string the relative folder/file pair of the xajax Javascript
-	 *               engine located within the xajax installation folder.
-	 *               Defaults to xajax_js/xajax.js.
-	 */
-	function printJavascript($sJsURI="", $sJsFile=NULL)
-	{
-		print $this->getJavascript($sJsURI, $sJsFile);
-	}
-
-	/**
-	 * Returns the xajax Javascript code that should be added to your HTML page
-	 * between the <kbd><head> </head></kbd> tags.
-	 *
-	 * <i>Usage:</i>
-	 * <code>
-	 *  < ?php $xajaxJSHead = $xajax->getJavascript(); ? >
-	 *	<head>
-	 *		...
-	 *		< ?php echo $xajaxJSHead; ? >
-	 * </code>
-	 *
-	 * @param string the relative address of the folder where xajax has been
-	 *               installed. For instance, if your PHP file is
-	 *               "http://www.myserver.com/myfolder/mypage.php"
-	 *               and xajax was installed in
-	 *               "http://www.myserver.com/anotherfolder", then $sJsURI
-	 *               should be set to "../anotherfolder". Defaults to assuming
-	 *               xajax is in the same folder as your PHP file.
-	 * @param string the relative folder/file pair of the xajax Javascript
-	 *               engine located within the xajax installation folder.
-	 *               Defaults to xajax_js/xajax.js.
-	 * @return string
-	 */
-	function getJavascript($sJsURI="", $sJsFile=NULL)
-	{
-		$html = $this->getJavascriptConfig();
-		$html .= $this->getJavascriptInclude($sJsURI, $sJsFile);
-
-		return $html;
-	}
-
-	/**
-	 * Returns a string containing inline Javascript that sets up the xajax
-	 * runtime (typically called internally by xajax from get/printJavascript).
-	 *
-	 * @return string
-	 */
-	function getJavascriptConfig()
-	{
-		$html  = "\t<script type=\"text/javascript\">\n";
-		$html .= "var xajaxRequestUri=\"".$this->sRequestURI."\";\n";
-		$html .= "var xajaxDebug=".($this->bDebug?"true":"false").";\n";
-		$html .= "var xajaxStatusMessages=".($this->bStatusMessages?"true":"false").";\n";
-		$html .= "var xajaxWaitCursor=".($this->bWaitCursor?"true":"false").";\n";
-		$html .= "var xajaxDefinedGet=".XAJAX_GET.";\n";
-		$html .= "var xajaxDefinedPost=".XAJAX_POST.";\n";
-		$html .= "var xajaxLoaded=false;\n";
-
-		foreach($this->aFunctions as $sFunction => $bExists) {
-			$html .= $this->_wrap($sFunction,$this->aFunctionRequestTypes[$sFunction]);
-		}
-
-		$html .= "\t</script>\n";
-		return $html;
-	}
-
-	/**
-	 * Returns a string containing a Javascript include of the xajax.js file
-	 * along with a check to see if the file loaded after six seconds
-	 * (typically called internally by xajax from get/printJavascript).
-	 *
-	 * @param string the relative address of the folder where xajax has been
-	 *               installed. For instance, if your PHP file is
-	 *               "http://www.myserver.com/myfolder/mypage.php"
-	 *               and xajax was installed in
-	 *               "http://www.myserver.com/anotherfolder", then $sJsURI
-	 *               should be set to "../anotherfolder". Defaults to assuming
-	 *               xajax is in the same folder as your PHP file.
-	 * @param string the relative folder/file pair of the xajax Javascript
-	 *               engine located within the xajax installation folder.
-	 *               Defaults to xajax_js/xajax.js.
-	 * @return string
-	 */
-	function getJavascriptInclude($sJsURI="", $sJsFile=NULL)
-	{
-		if ($sJsFile == NULL) $sJsFile = "xajax_js/xajax.js";
-
-		if ($sJsURI != "" && substr($sJsURI, -1) != "/") $sJsURI .= "/";
-
-		$html = "\t<script type=\"text/javascript\" src=\"" . $sJsURI . $sJsFile . "\"></script>\n";
-		$html .= "\t<script type=\"text/javascript\">\n";
-		$html .= "window.setTimeout(function () { if (!xajaxLoaded) { alert('Error: the xajax Javascript file could not be included. Perhaps the URL is incorrect?\\nURL: {$sJsURI}{$sJsFile}'); } }, 6000);\n";
-		$html .= "\t</script>\n";
-		return $html;
-	}
-
-	/**
-	 * This method can be used to create a new xajax.js file out of the
-	 * xajax_uncompressed.js file (which will only happen if xajax.js doesn't
-	 * already exist on the filesystem).
-	 *
-	 * @param string an optional argument containing the full server file path
-	 *               of xajax.js.
-	 */
-	function autoCompressJavascript($sJsFullFilename=NULL)
-	{
-		$sJsFile = "xajax_js/xajax.js";
-
-		if ($sJsFullFilename) {
-			$realJsFile = $sJsFullFilename;
-		}
-		else {
-			$realPath = realpath(dirname(__FILE__));
-			$realJsFile = $realPath . "/". $sJsFile;
-		}
-
-		// Create a compressed file if necessary
-		if (!file_exists($realJsFile)) {
-			$srcFile = str_replace(".js", "_uncompressed.js", $realJsFile);
-			if (!file_exists($srcFile)) {
-				trigger_error("The xajax uncompressed Javascript file could not be found in the <b>" . dirname($realJsFile) . "</b> folder. Error ", E_USER_ERROR);
-			}
-			require(dirname(__FILE__)."/xajaxCompress.php");
-			$javaScript = implode('', file($srcFile));
-			$compressedScript = xajaxCompressJavascript($javaScript);
-			$fH = @fopen($realJsFile, "w");
-			if (!$fH) {
-				trigger_error("The xajax compressed javascript file could not be written in the <b>" . dirname($realJsFile) . "</b> folder. Error ", E_USER_ERROR);
-			}
-			else {
-				fwrite($fH, $compressedScript);
-				fclose($fH);
-			}
-		}
-	}
-
-	/**
-	 * Returns the current URL based upon the SERVER vars.
-	 *
-	 * @access private
-	 * @return string
-	 */
-	function _detectURI() {
-		$aURL = array();
-
-		// Try to get the request URL
-		if (!empty($_SERVER['REQUEST_URI'])) {
-			$aURL = parse_url($_SERVER['REQUEST_URI']);
-		}
-
-		// Fill in the empty values
-		if (empty($aURL['scheme'])) {
-			if (!empty($_SERVER['HTTP_SCHEME'])) {
-				$aURL['scheme'] = $_SERVER['HTTP_SCHEME'];
-			} else {
-				$aURL['scheme'] = (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') ? 'https' : 'http';
-			}
-		}
-
-		if (empty($aURL['host'])) {
-			if (!empty($_SERVER['HTTP_HOST'])) {
-				if (strpos($_SERVER['HTTP_HOST'], ':') > 0) {
-					list($aURL['host'], $aURL['port']) = explode(':', $_SERVER['HTTP_HOST']);
-				} else {
-					$aURL['host'] = $_SERVER['HTTP_HOST'];
-				}
-			} else if (!empty($_SERVER['SERVER_NAME'])) {
-				$aURL['host'] = $_SERVER['SERVER_NAME'];
-			} else {
-				print "xajax Error: xajax failed to automatically identify your Request URI.";
-				print "Please set the Request URI explicitly when you instantiate the xajax object.";
-				exit();
-			}
-		}
-
-		if (empty($aURL['port']) && !empty($_SERVER['SERVER_PORT'])) {
-			$aURL['port'] = $_SERVER['SERVER_PORT'];
-		}
-
-		if (empty($aURL['path'])) {
-			if (!empty($_SERVER['PATH_INFO'])) {
-				$sPath = parse_url($_SERVER['PATH_INFO']);
-			} else {
-				$sPath = parse_url(api_get_self());
-			}
-			$aURL['path'] = $sPath['path'];
-			unset($sPath);
-		}
-
-		if (!empty($aURL['query'])) {
-			$aURL['query'] = '?'.$aURL['query'];
-		}
-
-		// Build the URL: Start with scheme, user and pass
-		$sURL = $aURL['scheme'].'://';
-		if (!empty($aURL['user'])) {
-			$sURL.= $aURL['user'];
-			if (!empty($aURL['pass'])) {
-				$sURL.= ':'.$aURL['pass'];
-			}
-			$sURL.= '@';
-		}
-
-		// Add the host
-		$sURL.= $aURL['host'];
-
-		// Add the port if needed
-		if (!empty($aURL['port']) && (($aURL['scheme'] == 'http' && $aURL['port'] != 80) || ($aURL['scheme'] == 'https' && $aURL['port'] != 443))) {
-			$sURL.= ':'.$aURL['port'];
-		}
-
-		// Add the path and the query string
-		$sURL.= $aURL['path'].@$aURL['query'];
-
-		// Clean up
-		unset($aURL);
-		return $sURL;
-	}
-
-	/**
-	 * Returns true if the function name is associated with an object callback,
-	 * false if not.
-	 *
-	 * @param string the name of the function
-	 * @access private
-	 * @return boolean
-	 */
-	function _isObjectCallback($sFunction)
-	{
-		if (array_key_exists($sFunction, $this->aObjects)) return true;
-		return false;
-	}
-
-	/**
-	 * Returns true if the function or object callback can be called, false if
-	 * not.
-	 *
-	 * @param string the name of the function
-	 * @access private
-	 * @return boolean
-	 */
-	function _isFunctionCallable($sFunction)
-	{
-		if ($this->_isObjectCallback($sFunction)) {
-			if (is_object($this->aObjects[$sFunction][0])) {
-				return method_exists($this->aObjects[$sFunction][0], $this->aObjects[$sFunction][1]);
-			}
-			else {
-				return is_callable($this->aObjects[$sFunction]);
-			}
-		}
-		else {
-			return function_exists($sFunction);
-		}
-	}
-
-	/**
-	 * Calls the function, class method, or object method with the supplied
-	 * arguments.
-	 *
-	 * @param string the name of the function
-	 * @param array  arguments to pass to the function
-	 * @access private
-	 * @return mixed the output of the called function or method
-	 */
-	function _callFunction($sFunction, $aArgs)
-	{
-		if ($this->_isObjectCallback($sFunction)) {
-			$mReturn = call_user_func_array($this->aObjects[$sFunction], $aArgs);
-		}
-		else {
-			$mReturn = call_user_func_array($sFunction, $aArgs);
-		}
-		return $mReturn;
-	}
-
-	/**
-	 * Generates the Javascript wrapper for the specified PHP function.
-	 *
-	 * @param string the name of the function
-	 * @param mixed  the request type
-	 * @access private
-	 * @return string
-	 */
-	function _wrap($sFunction,$sRequestType=XAJAX_POST)
-	{
-		$js = "function ".$this->sWrapperPrefix."$sFunction(){return xajax.call(\"$sFunction\", arguments, ".$sRequestType.");}\n";
-		return $js;
-	}
-
-	/**
-	 * Takes a string containing xajax xjxobj XML or xjxquery XML and builds an
-	 * array representation of it to pass as an argument to the PHP function
-	 * being called.
-	 *
-	 * @param string the root tag of the XML
-	 * @param string XML to convert
-	 * @access private
-	 * @return array
-	 */
-	function _xmlToArray($rootTag, $sXml)
-	{
-		$aArray = array();
-		$sXml = str_replace("<$rootTag>","<$rootTag>|~|",$sXml);
-		$sXml = str_replace("</$rootTag>","</$rootTag>|~|",$sXml);
-		$sXml = str_replace("<e>","<e>|~|",$sXml);
-		$sXml = str_replace("</e>","</e>|~|",$sXml);
-		$sXml = str_replace("<k>","<k>|~|",$sXml);
-		$sXml = str_replace("</k>","|~|</k>|~|",$sXml);
-		$sXml = str_replace("<v>","<v>|~|",$sXml);
-		$sXml = str_replace("</v>","|~|</v>|~|",$sXml);
-		$sXml = str_replace("<q>","<q>|~|",$sXml);
-		$sXml = str_replace("</q>","|~|</q>|~|",$sXml);
-
-		$this->aObjArray = explode("|~|",$sXml);
-
-		$this->iPos = 0;
-		$aArray = $this->_parseObjXml($rootTag);
-
-		return $aArray;
-	}
-
-	/**
-	 * A recursive function that generates an array from the contents of
-	 * $this->aObjArray.
-	 *
-	 * @param string the root tag of the XML
-	 * @access private
-	 * @return array
-	 */
-	function _parseObjXml($rootTag)
-	{
-		$aArray = array();
-
-		if ($rootTag == "xjxobj")
-		{
-			while(!stristr($this->aObjArray[$this->iPos],"</xjxobj>"))
-			{
-				$this->iPos++;
-				if(stristr($this->aObjArray[$this->iPos],"<e>"))
-				{
-					$key = "";
-					$value = null;
-
-					$this->iPos++;
-					while(!stristr($this->aObjArray[$this->iPos],"</e>"))
-					{
-						if(stristr($this->aObjArray[$this->iPos],"<k>"))
-						{
-							$this->iPos++;
-							while(!stristr($this->aObjArray[$this->iPos],"</k>"))
-							{
-								$key .= $this->aObjArray[$this->iPos];
-								$this->iPos++;
-							}
-						}
-						if(stristr($this->aObjArray[$this->iPos],"<v>"))
-						{
-							$this->iPos++;
-							while(!stristr($this->aObjArray[$this->iPos],"</v>"))
-							{
-								if(stristr($this->aObjArray[$this->iPos],"<xjxobj>"))
-								{
-									$value = $this->_parseObjXml("xjxobj");
-									$this->iPos++;
-								}
-								else
-								{
-									$value .= $this->aObjArray[$this->iPos];
-									if ($this->bDecodeUTF8Input)
-									{
-										$value = $this->_decodeUTF8Data($value);
-									}
-								}
-								$this->iPos++;
-							}
-						}
-						$this->iPos++;
-					}
-
-					$aArray[$key]=$value;
-				}
-			}
-		}
-
-		if ($rootTag == "xjxquery")
-		{
-			$sQuery = "";
-			$this->iPos++;
-			while(!stristr($this->aObjArray[$this->iPos],"</xjxquery>"))
-			{
-				if (stristr($this->aObjArray[$this->iPos],"<q>") || stristr($this->aObjArray[$this->iPos],"</q>"))
-				{
-					$this->iPos++;
-					continue;
-				}
-				$sQuery	.= $this->aObjArray[$this->iPos];
-				$this->iPos++;
-			}
-
-			parse_str($sQuery, $aArray);
-			if ($this->bDecodeUTF8Input)
-			{
-				foreach($aArray as $key => $value)
-				{
-					$aArray[$key] = $this->_decodeUTF8Data($value);
-				}
-			}
-			// If magic quotes is on, then we need to strip the slashes from the
-			// array values because of the parse_str pass which adds slashes
-			if (get_magic_quotes_gpc() == 1) {
-				$newArray = array();
-				foreach ($aArray as $sKey => $sValue) {
-					if (is_string($sValue))
-						$newArray[$sKey] = stripslashes($sValue);
-					else
-						$newArray[$sKey] = $sValue;
-				}
-				$aArray = $newArray;
-			}
-		}
-
-		return $aArray;
-	}
-
-	/**
-	 * Decodes string data from UTF-8 to the current xajax encoding.
-	 *
-	 * @param string data to convert
-	 * @access private
-	 * @return string converted data
-	 */
-	function _decodeUTF8Data($sData)
-	{
-		$sValue = $sData;
-		if ($this->bDecodeUTF8Input)
-		{
-			$sFuncToUse = NULL;
-
-			// An adaptation for the Dokeos LMS, 22-AUG-2009.
-			if (function_exists('api_convert_encoding'))
-			{
-				$sFuncToUse = "api_convert_encoding";
-			}
-			//if (function_exists('iconv'))
-			elseif (function_exists('iconv'))
-			//
-			{
-				$sFuncToUse = "iconv";
-			}
-			else if (function_exists('mb_convert_encoding'))
-			{
-				$sFuncToUse = "mb_convert_encoding";
-			}
-			else if ($this->sEncoding == "ISO-8859-1")
-			{
-				$sFuncToUse = "utf8_decode";
-			}
-			else
-			{
-				trigger_error("The incoming xajax data could not be converted from UTF-8", E_USER_NOTICE);
-			}
-
-			if ($sFuncToUse)
-			{
-				if (is_string($sValue))
-				{
-					if ($sFuncToUse == "iconv")
-					{
-						$sValue = iconv("UTF-8", $this->sEncoding.'//TRANSLIT', $sValue);
-					}
-					else if ($sFuncToUse == "mb_convert_encoding")
-					{
-						$sValue = mb_convert_encoding($sValue, $this->sEncoding, "UTF-8");
-					}
-					// Added code, an adaptation for the Dokeos LMS, 22-AUG-2009.
-					else if ($sFuncToUse == "api_convert_encoding")
-					{
-						$sValue = api_convert_encoding($sValue, $this->sEncoding, "UTF-8");
-					}
-					//
-					else
-					{
-						$sValue = utf8_decode($sValue);
-					}
-				}
-			}
-		}
-		return $sValue;
-	}
+    /**
+     * @var array Array of PHP functions that will be callable through javascript wrappers
+     */
+    var $aFunctions;
+    /**
+     * @var array Array of object callbacks that will allow Javascript to call PHP methods (key=function name)
+     */
+    var $aObjects;
+    /**
+     * @var array Array of RequestTypes to be used with each function (key=function name)
+     */
+    var $aFunctionRequestTypes;
+    /**
+     * @var array Array of Include Files for any external functions (key=function name)
+     */
+    var $aFunctionIncludeFiles;
+    /**
+     * @var string Name of the PHP function to call if no callable function was found
+     */
+    var $sCatchAllFunction;
+    /**
+     * @var string Name of the PHP function to call before any other function
+     */
+    var $sPreFunction;
+    /**
+     * @var string The URI for making requests to the xajax object
+     */
+    var $sRequestURI;
+    /**
+     * @var string The prefix to prepend to the javascript wraper function name
+     */
+    var $sWrapperPrefix;
+    /**
+     * @var boolean Show debug messages (default false)
+     */
+    var $bDebug;
+    /**
+     * @var boolean Show messages in the client browser's status bar (default false)
+     */
+    var $bStatusMessages;
+    /**
+     * @var boolean Allow xajax to exit after processing a request (default true)
+     */
+    var $bExitAllowed;
+    /**
+     * @var boolean Use wait cursor in browser (default true)
+     */
+    var $bWaitCursor;
+    /**
+     * @var boolean Use an special xajax error handler so the errors are sent to the browser properly (default false)
+     */
+    var $bErrorHandler;
+    /**
+     * @var string Specify what, if any, file xajax should log errors to (and more information in a future release)
+     */
+    var $sLogFile;
+    /**
+     * @var boolean Clean all output buffers before outputting response (default false)
+     */
+    var $bCleanBuffer;
+    /**
+     * @var string String containing the character encoding used
+     */
+    var $sEncoding;
+    /**
+     * @var boolean Decode input request args from UTF-8 (default false)
+     */
+    var $bDecodeUTF8Input;
+    /**
+     * @var boolean Convert special characters to HTML entities (default false)
+     */
+    var $bOutputEntities;
+    /**
+     * @var array Array for parsing complex objects
+     */
+    var $aObjArray;
+    /**
+     * @var integer Position in $aObjArray
+     */
+    var $iPos;
+
+    /**#@-*/
+
+    /**
+     * Constructor. You can set some extra xajax options right away or use
+     * individual methods later to set options.
+     *
+     * @param string  defaults to the current browser URI
+     * @param string  defaults to "xajax_";
+     * @param string  defaults to XAJAX_DEFAULT_CHAR_ENCODING defined above
+     * @param boolean defaults to false
+     */
+    function xajax($sRequestURI="",$sWrapperPrefix="xajax_",$sEncoding=XAJAX_DEFAULT_CHAR_ENCODING,$bDebug=false)
+    {
+        $this->aFunctions = array();
+        $this->aObjects = array();
+        $this->aFunctionIncludeFiles = array();
+        $this->sRequestURI = $sRequestURI;
+        if ($this->sRequestURI == "")
+            $this->sRequestURI = $this->_detectURI();
+        $this->sWrapperPrefix = $sWrapperPrefix;
+        $this->bDebug = $bDebug;
+        $this->bStatusMessages = false;
+        $this->bWaitCursor = true;
+        $this->bExitAllowed = true;
+        $this->bErrorHandler = false;
+        $this->sLogFile = "";
+        $this->bCleanBuffer = false;
+        $this->setCharEncoding($sEncoding);
+        $this->bDecodeUTF8Input = false;
+        $this->bOutputEntities = false;
+    }
+
+    /**
+     * Sets the URI to which requests will be made.
+     * <i>Usage:</i> <kbd>$xajax->setRequestURI("http://www.xajaxproject.org");</kbd>
+     *
+     * @param string the URI (can be absolute or relative) of the PHP script
+     *               that will be accessed when an xajax request occurs
+     */
+    function setRequestURI($sRequestURI)
+    {
+        $this->sRequestURI = $sRequestURI;
+    }
+
+    /**
+     * Sets the prefix that will be appended to the Javascript wrapper
+     * functions (default is "xajax_").
+     *
+     * @param string
+     */
+    //
+    function setWrapperPrefix($sPrefix)
+    {
+        $this->sWrapperPrefix = $sPrefix;
+    }
+
+    /**
+     * Enables debug messages for xajax.
+     * */
+    function debugOn()
+    {
+        $this->bDebug = true;
+    }
+
+    /**
+     * Disables debug messages for xajax (default behavior).
+     */
+    function debugOff()
+    {
+        $this->bDebug = false;
+    }
+
+    /**
+     * Enables messages in the browser's status bar for xajax.
+     */
+    function statusMessagesOn()
+    {
+        $this->bStatusMessages = true;
+    }
+
+    /**
+     * Disables messages in the browser's status bar for xajax (default behavior).
+     */
+    function statusMessagesOff()
+    {
+        $this->bStatusMessages = false;
+    }
+
+    /**
+     * Enables the wait cursor to be displayed in the browser (default behavior).
+     */
+    function waitCursorOn()
+    {
+        $this->bWaitCursor = true;
+    }
+
+    /**
+     * Disables the wait cursor to be displayed in the browser.
+     */
+    function waitCursorOff()
+    {
+        $this->bWaitCursor = false;
+    }
+
+    /**
+     * Enables xajax to exit immediately after processing a request and
+     * sending the response back to the browser (default behavior).
+     */
+    function exitAllowedOn()
+    {
+        $this->bExitAllowed = true;
+    }
+
+    /**
+     * Disables xajax's default behavior of exiting immediately after
+     * processing a request and sending the response back to the browser.
+     */
+    function exitAllowedOff()
+    {
+        $this->bExitAllowed = false;
+    }
+
+    /**
+     * Turns on xajax's error handling system so that PHP errors that occur
+     * during a request are trapped and pushed to the browser in the form of
+     * a Javascript alert.
+     */
+    function errorHandlerOn()
+    {
+        $this->bErrorHandler = true;
+    }
+
+    /**
+     * Turns off xajax's error handling system (default behavior).
+     */
+    function errorHandlerOff()
+    {
+        $this->bErrorHandler = false;
+    }
+
+    /**
+     * Specifies a log file that will be written to by xajax during a request
+     * (used only by the error handling system at present). If you don't invoke
+     * this method, or you pass in "", then no log file will be written to.
+     * <i>Usage:</i> <kbd>$xajax->setLogFile("/xajax_logs/errors.log");</kbd>
+     */
+    function setLogFile($sFilename)
+    {
+        $this->sLogFile = $sFilename;
+    }
+
+    /**
+     * Causes xajax to clean out all output buffers before outputting a
+     * response (default behavior).
+     */
+    function cleanBufferOn()
+    {
+        $this->bCleanBuffer = true;
+    }
+    /**
+     * Turns off xajax's output buffer cleaning.
+     */
+    function cleanBufferOff()
+    {
+        $this->bCleanBuffer = false;
+    }
+
+    /**
+     * Sets the character encoding for the HTTP output based on
+     * <kbd>$sEncoding</kbd>, which is a string containing the character
+     * encoding to use. You don't need to use this method normally, since the
+     * character encoding for the response gets set automatically based on the
+     * <kbd>XAJAX_DEFAULT_CHAR_ENCODING</kbd> constant.
+     * <i>Usage:</i> <kbd>$xajax->setCharEncoding("utf-8");</kbd>
+     *
+     * @param string the encoding type to use (utf-8, iso-8859-1, etc.)
+     */
+    function setCharEncoding($sEncoding)
+    {
+        $this->sEncoding = $sEncoding;
+    }
+
+    /**
+     * Causes xajax to decode the input request args from UTF-8 to the current
+     * encoding if possible. Either the iconv or mb_string extension must be
+     * present for optimal functionality.
+     */
+    function decodeUTF8InputOn()
+    {
+        $this->bDecodeUTF8Input = true;
+    }
+
+    /**
+     * Turns off decoding the input request args from UTF-8 (default behavior).
+     */
+    function decodeUTF8InputOff()
+    {
+        $this->bDecodeUTF8Input = false;
+    }
+
+    /**
+     * Tells the response object to convert special characters to HTML entities
+     * automatically (only works if the mb_string extension is available).
+     */
+    function outputEntitiesOn()
+    {
+        $this->bOutputEntities = true;
+    }
+
+    /**
+     * Tells the response object to output special characters intact. (default
+     * behavior).
+     */
+    function outputEntitiesOff()
+    {
+        $this->bOutputEntities = false;
+    }
+
+    /**
+     * Registers a PHP function or method to be callable through xajax in your
+     * Javascript. If you want to register a function, pass in the name of that
+     * function. If you want to register a static class method, pass in an
+     * array like so:
+     * <kbd>array("myFunctionName", "myClass", "myMethod")</kbd>
+     * For an object instance method, use an object variable for the second
+     * array element (and in PHP 4 make sure you put an & before the variable
+     * to pass the object by reference). Note: the function name is what you
+     * call via Javascript, so it can be anything as long as it doesn't
+     * conflict with any other registered function name.
+     *
+     * <i>Usage:</i> <kbd>$xajax->registerFunction("myFunction");</kbd>
+     * or: <kbd>$xajax->registerFunction(array("myFunctionName", &$myObject, "myMethod"));</kbd>
+     *
+     * @param mixed  contains the function name or an object callback array
+     * @param mixed  request type (XAJAX_GET/XAJAX_POST) that should be used
+     *               for this function.  Defaults to XAJAX_POST.
+     */
+    function registerFunction($mFunction,$sRequestType=XAJAX_POST)
+    {
+        if (is_array($mFunction)) {
+            $this->aFunctions[$mFunction[0]] = 1;
+            $this->aFunctionRequestTypes[$mFunction[0]] = $sRequestType;
+            $this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
+        }
+        else {
+            $this->aFunctions[$mFunction] = 1;
+            $this->aFunctionRequestTypes[$mFunction] = $sRequestType;
+        }
+    }
+
+    /**
+     * Registers a PHP function to be callable through xajax which is located
+     * in some other file.  If the function is requested the external file will
+     * be included to define the function before the function is called.
+     *
+     * <i>Usage:</i> <kbd>$xajax->registerExternalFunction("myFunction","myFunction.inc.php",XAJAX_POST);</kbd>
+     *
+     * @param string contains the function name or an object callback array
+     *               ({@link xajax::registerFunction() see registerFunction} for
+     *               more info on object callback arrays)
+     * @param string contains the path and filename of the include file
+     * @param mixed  the RequestType (XAJAX_GET/XAJAX_POST) that should be used
+     *		          for this function. Defaults to XAJAX_POST.
+     */
+    function registerExternalFunction($mFunction,$sIncludeFile,$sRequestType=XAJAX_POST)
+    {
+        $this->registerFunction($mFunction, $sRequestType);
+
+        if (is_array($mFunction)) {
+            $this->aFunctionIncludeFiles[$mFunction[0]] = $sIncludeFile;
+        }
+        else {
+            $this->aFunctionIncludeFiles[$mFunction] = $sIncludeFile;
+        }
+    }
+
+    /**
+     * Registers a PHP function to be called when xajax cannot find the
+     * function being called via Javascript. Because this is technically
+     * impossible when using "wrapped" functions, the catch-all feature is
+     * only useful when you're directly using the xajax.call() Javascript
+     * method. Use the catch-all feature when you want more dynamic ability to
+     * intercept unknown calls and handle them in a custom way.
+     *
+     * <i>Usage:</i> <kbd>$xajax->registerCatchAllFunction("myCatchAllFunction");</kbd>
+     *
+     * @param string contains the function name or an object callback array
+     *               ({@link xajax::registerFunction() see registerFunction} for
+     *               more info on object callback arrays)
+     */
+    function registerCatchAllFunction($mFunction)
+    {
+        if (is_array($mFunction)) {
+            $this->sCatchAllFunction = $mFunction[0];
+            $this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
+        }
+        else {
+            $this->sCatchAllFunction = $mFunction;
+        }
+    }
+
+    /**
+     * Registers a PHP function to be called before xajax calls the requested
+     * function. xajax will automatically add the request function's response
+     * to the pre-function's response to create a single response. Another
+     * feature is the ability to return not just a response, but an array with
+     * the first element being false (a boolean) and the second being the
+     * response. In this case, the pre-function's response will be returned to
+     * the browser without xajax calling the requested function.
+     *
+     * <i>Usage:</i> <kbd>$xajax->registerPreFunction("myPreFunction");</kbd>
+     *
+     * @param string contains the function name or an object callback array
+     *               ({@link xajax::registerFunction() see registerFunction} for
+     *               more info on object callback arrays)
+     */
+    function registerPreFunction($mFunction)
+    {
+        if (is_array($mFunction)) {
+            $this->sPreFunction = $mFunction[0];
+            $this->aObjects[$mFunction[0]] = array_slice($mFunction, 1);
+        }
+        else {
+            $this->sPreFunction = $mFunction;
+        }
+    }
+
+    /**
+     * Returns true if xajax can process the request, false if otherwise.
+     * You can use this to determine if xajax needs to process the request or
+     * not.
+     *
+     * @return boolean
+     */
+    function canProcessRequests()
+    {
+        if ($this->getRequestMode() != -1) return true;
+        return false;
+    }
+
+    /**
+     * Returns the current request mode (XAJAX_GET or XAJAX_POST), or -1 if
+     * there is none.
+     *
+     * @return mixed
+     */
+    function getRequestMode()
+    {
+        if (!empty($_GET["xajax"]))
+            return XAJAX_GET;
+
+        if (!empty($_POST["xajax"]))
+            return XAJAX_POST;
+
+        return -1;
+    }
+
+    /**
+     * This is the main communications engine of xajax. The engine handles all
+     * incoming xajax requests, calls the apporiate PHP functions (or
+     * class/object methods) and passes the XML responses back to the
+     * Javascript response handler. If your RequestURI is the same as your Web
+     * page then this function should be called before any headers or HTML has
+     * been sent.
+     */
+    function processRequests()
+    {
+
+        $requestMode = -1;
+        $sFunctionName = "";
+        $bFoundFunction = true;
+        $bFunctionIsCatchAll = false;
+        $sFunctionNameForSpecial = "";
+        $aArgs = array();
+        $sPreResponse = "";
+        $bEndRequest = false;
+        $sResponse = "";
+
+        $requestMode = $this->getRequestMode();
+        if ($requestMode == -1) return;
+
+        if ($requestMode == XAJAX_POST)
+        {
+            $sFunctionName = $_POST["xajax"];
+
+            if (!empty($_POST["xajaxargs"]))
+                $aArgs = $_POST["xajaxargs"];
+        }
+        else
+        {
+            header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+            header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
+            header ("Cache-Control: no-cache, must-revalidate");
+            header ("Pragma: no-cache");
+
+            $sFunctionName = $_GET["xajax"];
+
+            if (!empty($_GET["xajaxargs"]))
+                $aArgs = $_GET["xajaxargs"];
+        }
+
+        // Use xajax error handler if necessary
+        if ($this->bErrorHandler) {
+            $GLOBALS['xajaxErrorHandlerText'] = "";
+            set_error_handler("xajaxErrorHandler");
+        }
+
+        if ($this->sPreFunction) {
+            if (!$this->_isFunctionCallable($this->sPreFunction)) {
+                $bFoundFunction = false;
+                $objResponse = new xajaxResponse();
+                $objResponse->addAlert("Unknown Pre-Function ". $this->sPreFunction);
+                $sResponse = $objResponse->getXML();
+            }
+        }
+        //include any external dependencies associated with this function name
+        if (array_key_exists($sFunctionName,$this->aFunctionIncludeFiles))
+        {
+            ob_start();
+            include_once($this->aFunctionIncludeFiles[$sFunctionName]);
+            ob_end_clean();
+        }
+
+        if ($bFoundFunction) {
+            $sFunctionNameForSpecial = $sFunctionName;
+            if (!array_key_exists($sFunctionName, $this->aFunctions))
+            {
+                if ($this->sCatchAllFunction) {
+                    $sFunctionName = $this->sCatchAllFunction;
+                    $bFunctionIsCatchAll = true;
+                }
+                else {
+                    $bFoundFunction = false;
+                    $objResponse = new xajaxResponse();
+                    $objResponse->addAlert("Unknown Function $sFunctionName.");
+                    $sResponse = $objResponse->getXML();
+                }
+            }
+            else if ($this->aFunctionRequestTypes[$sFunctionName] != $requestMode)
+            {
+                $bFoundFunction = false;
+                $objResponse = new xajaxResponse();
+                $objResponse->addAlert("Incorrect Request Type.");
+                $sResponse = $objResponse->getXML();
+            }
+        }
+
+        if ($bFoundFunction)
+        {
+            for ($i = 0; $i < sizeof($aArgs); $i++)
+            {
+                // If magic quotes is on, then we need to strip the slashes from the args
+                if (get_magic_quotes_gpc() == 1 && is_string($aArgs[$i])) {
+
+                    $aArgs[$i] = stripslashes($aArgs[$i]);
+                }
+                if (stristr($aArgs[$i],"<xjxobj>") != false)
+                {
+                    $aArgs[$i] = $this->_xmlToArray("xjxobj",$aArgs[$i]);
+                }
+                else if (stristr($aArgs[$i],"<xjxquery>") != false)
+                {
+                    $aArgs[$i] = $this->_xmlToArray("xjxquery",$aArgs[$i]);
+                }
+                else if ($this->bDecodeUTF8Input)
+                {
+                    $aArgs[$i] = $this->_decodeUTF8Data($aArgs[$i]);
+                }
+            }
+
+            if ($this->sPreFunction) {
+                $mPreResponse = $this->_callFunction($this->sPreFunction, array($sFunctionNameForSpecial, $aArgs));
+                if (is_array($mPreResponse) && $mPreResponse[0] === false) {
+                    $bEndRequest = true;
+                    $sPreResponse = $mPreResponse[1];
+                }
+                else {
+                    $sPreResponse = $mPreResponse;
+                }
+                if (is_a($sPreResponse, "xajaxResponse")) {
+                    $sPreResponse = $sPreResponse->getXML();
+                }
+                if ($bEndRequest) $sResponse = $sPreResponse;
+            }
+
+            if (!$bEndRequest) {
+                if (!$this->_isFunctionCallable($sFunctionName)) {
+                    $objResponse = new xajaxResponse();
+                    $objResponse->addAlert("The Registered Function $sFunctionName Could Not Be Found.");
+                    $sResponse = $objResponse->getXML();
+                }
+                else {
+                    if ($bFunctionIsCatchAll) {
+                        $aArgs = array($sFunctionNameForSpecial, $aArgs);
+                    }
+                    $sResponse = $this->_callFunction($sFunctionName, $aArgs);
+                }
+                if (is_a($sResponse, "xajaxResponse")) {
+                    $sResponse = $sResponse->getXML();
+                }
+                if (!is_string($sResponse) || strpos($sResponse, "<xjx>") === FALSE) {
+                    $objResponse = new xajaxResponse();
+                    $objResponse->addAlert("No XML Response Was Returned By Function $sFunctionName.");
+                    $sResponse = $objResponse->getXML();
+                }
+                else if ($sPreResponse != "") {
+                    $sNewResponse = new xajaxResponse($this->sEncoding, $this->bOutputEntities);
+                    $sNewResponse->loadXML($sPreResponse);
+                    $sNewResponse->loadXML($sResponse);
+                    $sResponse = $sNewResponse->getXML();
+                }
+            }
+        }
+
+        $sContentHeader = "Content-type: text/xml;";
+        if ($this->sEncoding && strlen(trim($this->sEncoding)) > 0)
+            $sContentHeader .= " charset=".$this->sEncoding;
+        header($sContentHeader);
+        if ($this->bErrorHandler && !empty( $GLOBALS['xajaxErrorHandlerText'] )) {
+            $sErrorResponse = new xajaxResponse();
+            $sErrorResponse->addAlert("** PHP Error Messages: **" . $GLOBALS['xajaxErrorHandlerText']);
+            if ($this->sLogFile) {
+                $fH = @fopen($this->sLogFile, "a");
+                if (!$fH) {
+                    $sErrorResponse->addAlert("** Logging Error **\n\nxajax was unable to write to the error log file:\n" . $this->sLogFile);
+                }
+                else {
+                    fwrite($fH, "** xajax Error Log - " . strftime("%b %e %Y %I:%M:%S %p") . " **" . $GLOBALS['xajaxErrorHandlerText'] . "\n\n\n");
+                    fclose($fH);
+                }
+            }
+
+            $sErrorResponse->loadXML($sResponse);
+            $sResponse = $sErrorResponse->getXML();
+
+        }
+        if ($this->bCleanBuffer) while (@ob_end_clean());
+        print $sResponse;
+        if ($this->bErrorHandler) restore_error_handler();
+
+        if ($this->bExitAllowed)
+            exit();
+    }
+
+    /**
+     * Prints the xajax Javascript header and wrapper code into your page by
+     * printing the output of the getJavascript() method. It should only be
+     * called between the <pre><head> </head></pre> tags in your HTML page.
+     * Remember, if you only want to obtain the result of this function, use
+     * {@link xajax::getJavascript()} instead.
+     *
+     * <i>Usage:</i>
+     * <code>
+     *  <head>
+     *		...
+     *		< ?php $xajax->printJavascript(); ? >
+     * </code>
+     *
+     * @param string the relative address of the folder where xajax has been
+     *               installed. For instance, if your PHP file is
+     *               "http://www.myserver.com/myfolder/mypage.php"
+     *               and xajax was installed in
+     *               "http://www.myserver.com/anotherfolder", then $sJsURI
+     *               should be set to "../anotherfolder". Defaults to assuming
+     *               xajax is in the same folder as your PHP file.
+     * @param string the relative folder/file pair of the xajax Javascript
+     *               engine located within the xajax installation folder.
+     *               Defaults to xajax_js/xajax.js.
+     */
+    function printJavascript($sJsURI="", $sJsFile=NULL)
+    {
+        print $this->getJavascript($sJsURI, $sJsFile);
+    }
+
+    /**
+     * Returns the xajax Javascript code that should be added to your HTML page
+     * between the <kbd><head> </head></kbd> tags.
+     *
+     * <i>Usage:</i>
+     * <code>
+     *  < ?php $xajaxJSHead = $xajax->getJavascript(); ? >
+     *	<head>
+     *		...
+     *		< ?php echo $xajaxJSHead; ? >
+     * </code>
+     *
+     * @param string the relative address of the folder where xajax has been
+     *               installed. For instance, if your PHP file is
+     *               "http://www.myserver.com/myfolder/mypage.php"
+     *               and xajax was installed in
+     *               "http://www.myserver.com/anotherfolder", then $sJsURI
+     *               should be set to "../anotherfolder". Defaults to assuming
+     *               xajax is in the same folder as your PHP file.
+     * @param string the relative folder/file pair of the xajax Javascript
+     *               engine located within the xajax installation folder.
+     *               Defaults to xajax_js/xajax.js.
+     * @return string
+     */
+    function getJavascript($sJsURI="", $sJsFile=NULL)
+    {
+        $html = $this->getJavascriptConfig();
+        $html .= $this->getJavascriptInclude($sJsURI, $sJsFile);
+
+        return $html;
+    }
+
+    /**
+     * Returns a string containing inline Javascript that sets up the xajax
+     * runtime (typically called internally by xajax from get/printJavascript).
+     *
+     * @return string
+     */
+    function getJavascriptConfig()
+    {
+        $html  = "\t<script type=\"text/javascript\">\n";
+        $html .= "var xajaxRequestUri=\"".$this->sRequestURI."\";\n";
+        $html .= "var xajaxDebug=".($this->bDebug?"true":"false").";\n";
+        $html .= "var xajaxStatusMessages=".($this->bStatusMessages?"true":"false").";\n";
+        $html .= "var xajaxWaitCursor=".($this->bWaitCursor?"true":"false").";\n";
+        $html .= "var xajaxDefinedGet=".XAJAX_GET.";\n";
+        $html .= "var xajaxDefinedPost=".XAJAX_POST.";\n";
+        $html .= "var xajaxLoaded=false;\n";
+
+        foreach($this->aFunctions as $sFunction => $bExists) {
+            $html .= $this->_wrap($sFunction,$this->aFunctionRequestTypes[$sFunction]);
+        }
+
+        $html .= "\t</script>\n";
+        return $html;
+    }
+
+    /**
+     * Returns a string containing a Javascript include of the xajax.js file
+     * along with a check to see if the file loaded after six seconds
+     * (typically called internally by xajax from get/printJavascript).
+     *
+     * @param string the relative address of the folder where xajax has been
+     *               installed. For instance, if your PHP file is
+     *               "http://www.myserver.com/myfolder/mypage.php"
+     *               and xajax was installed in
+     *               "http://www.myserver.com/anotherfolder", then $sJsURI
+     *               should be set to "../anotherfolder". Defaults to assuming
+     *               xajax is in the same folder as your PHP file.
+     * @param string the relative folder/file pair of the xajax Javascript
+     *               engine located within the xajax installation folder.
+     *               Defaults to xajax_js/xajax.js.
+     * @return string
+     */
+    function getJavascriptInclude($sJsURI="", $sJsFile=NULL)
+    {
+        if ($sJsFile == NULL) $sJsFile = "xajax_js/xajax.js";
+
+        if ($sJsURI != "" && substr($sJsURI, -1) != "/") $sJsURI .= "/";
+
+        $html = "\t<script type=\"text/javascript\" src=\"" . $sJsURI . $sJsFile . "\"></script>\n";
+        $html .= "\t<script type=\"text/javascript\">\n";
+        $html .= "window.setTimeout(function () { if (!xajaxLoaded) { alert('Error: the xajax Javascript file could not be included. Perhaps the URL is incorrect?\\nURL: {$sJsURI}{$sJsFile}'); } }, 6000);\n";
+        $html .= "\t</script>\n";
+        return $html;
+    }
+
+    /**
+     * This method can be used to create a new xajax.js file out of the
+     * xajax_uncompressed.js file (which will only happen if xajax.js doesn't
+     * already exist on the filesystem).
+     *
+     * @param string an optional argument containing the full server file path
+     *               of xajax.js.
+     */
+    function autoCompressJavascript($sJsFullFilename=NULL)
+    {
+        $sJsFile = "xajax_js/xajax.js";
+
+        if ($sJsFullFilename) {
+            $realJsFile = $sJsFullFilename;
+        }
+        else {
+            $realPath = realpath(dirname(__FILE__));
+            $realJsFile = $realPath . "/". $sJsFile;
+        }
+
+        // Create a compressed file if necessary
+        if (!file_exists($realJsFile)) {
+            $srcFile = str_replace(".js", "_uncompressed.js", $realJsFile);
+            if (!file_exists($srcFile)) {
+                trigger_error("The xajax uncompressed Javascript file could not be found in the <b>" . dirname($realJsFile) . "</b> folder. Error ", E_USER_ERROR);
+            }
+            require(dirname(__FILE__)."/xajaxCompress.php");
+            $javaScript = implode('', file($srcFile));
+            $compressedScript = xajaxCompressJavascript($javaScript);
+            $fH = @fopen($realJsFile, "w");
+            if (!$fH) {
+                trigger_error("The xajax compressed javascript file could not be written in the <b>" . dirname($realJsFile) . "</b> folder. Error ", E_USER_ERROR);
+            }
+            else {
+                fwrite($fH, $compressedScript);
+                fclose($fH);
+            }
+        }
+    }
+
+    /**
+     * Returns the current URL based upon the SERVER vars.
+     *
+     * @access private
+     * @return string
+     */
+    function _detectURI() {
+        $aURL = array();
+
+        // Try to get the request URL
+        if (!empty($_SERVER['REQUEST_URI'])) {
+            $aURL = parse_url($_SERVER['REQUEST_URI']);
+        }
+
+        // Fill in the empty values
+        if (empty($aURL['scheme'])) {
+            if (!empty($_SERVER['HTTP_SCHEME'])) {
+                $aURL['scheme'] = $_SERVER['HTTP_SCHEME'];
+            } else {
+                $aURL['scheme'] = (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') ? 'https' : 'http';
+            }
+        }
+
+        if (empty($aURL['host'])) {
+            if (!empty($_SERVER['HTTP_HOST'])) {
+                if (strpos($_SERVER['HTTP_HOST'], ':') > 0) {
+                    list($aURL['host'], $aURL['port']) = explode(':', $_SERVER['HTTP_HOST']);
+                } else {
+                    $aURL['host'] = $_SERVER['HTTP_HOST'];
+                }
+            } else if (!empty($_SERVER['SERVER_NAME'])) {
+                $aURL['host'] = $_SERVER['SERVER_NAME'];
+            } else {
+                print "xajax Error: xajax failed to automatically identify your Request URI.";
+                print "Please set the Request URI explicitly when you instantiate the xajax object.";
+                exit();
+            }
+        }
+
+        if (empty($aURL['port']) && !empty($_SERVER['SERVER_PORT'])) {
+            $aURL['port'] = $_SERVER['SERVER_PORT'];
+        }
+
+        if (empty($aURL['path'])) {
+            if (!empty($_SERVER['PATH_INFO'])) {
+                $sPath = parse_url($_SERVER['PATH_INFO']);
+            } else {
+                $sPath = parse_url(api_get_self());
+            }
+            $aURL['path'] = $sPath['path'];
+            unset($sPath);
+        }
+
+        if (!empty($aURL['query'])) {
+            $aURL['query'] = '?'.$aURL['query'];
+        }
+
+        // Build the URL: Start with scheme, user and pass
+        $sURL = $aURL['scheme'].'://';
+        if (!empty($aURL['user'])) {
+            $sURL.= $aURL['user'];
+            if (!empty($aURL['pass'])) {
+                $sURL.= ':'.$aURL['pass'];
+            }
+            $sURL.= '@';
+        }
+
+        // Add the host
+        $sURL.= $aURL['host'];
+
+        // Add the port if needed
+        if (!empty($aURL['port']) && (($aURL['scheme'] == 'http' && $aURL['port'] != 80) || ($aURL['scheme'] == 'https' && $aURL['port'] != 443))) {
+            $sURL.= ':'.$aURL['port'];
+        }
+
+        // Add the path and the query string
+        $sURL.= $aURL['path'].@$aURL['query'];
+
+        // Clean up
+        unset($aURL);
+        return $sURL;
+    }
+
+    /**
+     * Returns true if the function name is associated with an object callback,
+     * false if not.
+     *
+     * @param string the name of the function
+     * @access private
+     * @return boolean
+     */
+    function _isObjectCallback($sFunction)
+    {
+        if (array_key_exists($sFunction, $this->aObjects)) return true;
+        return false;
+    }
+
+    /**
+     * Returns true if the function or object callback can be called, false if
+     * not.
+     *
+     * @param string the name of the function
+     * @access private
+     * @return boolean
+     */
+    function _isFunctionCallable($sFunction)
+    {
+        if ($this->_isObjectCallback($sFunction)) {
+            if (is_object($this->aObjects[$sFunction][0])) {
+                return method_exists($this->aObjects[$sFunction][0], $this->aObjects[$sFunction][1]);
+            }
+            else {
+                return is_callable($this->aObjects[$sFunction]);
+            }
+        }
+        else {
+            return function_exists($sFunction);
+        }
+    }
+
+    /**
+     * Calls the function, class method, or object method with the supplied
+     * arguments.
+     *
+     * @param string the name of the function
+     * @param array  arguments to pass to the function
+     * @access private
+     * @return mixed the output of the called function or method
+     */
+    function _callFunction($sFunction, $aArgs)
+    {
+        if ($this->_isObjectCallback($sFunction)) {
+            $mReturn = call_user_func_array($this->aObjects[$sFunction], $aArgs);
+        }
+        else {
+            $mReturn = call_user_func_array($sFunction, $aArgs);
+        }
+        return $mReturn;
+    }
+
+    /**
+     * Generates the Javascript wrapper for the specified PHP function.
+     *
+     * @param string the name of the function
+     * @param mixed  the request type
+     * @access private
+     * @return string
+     */
+    function _wrap($sFunction,$sRequestType=XAJAX_POST)
+    {
+        $js = "function ".$this->sWrapperPrefix."$sFunction(){return xajax.call(\"$sFunction\", arguments, ".$sRequestType.");}\n";
+        return $js;
+    }
+
+    /**
+     * Takes a string containing xajax xjxobj XML or xjxquery XML and builds an
+     * array representation of it to pass as an argument to the PHP function
+     * being called.
+     *
+     * @param string the root tag of the XML
+     * @param string XML to convert
+     * @access private
+     * @return array
+     */
+    function _xmlToArray($rootTag, $sXml)
+    {
+        $aArray = array();
+        $sXml = str_replace("<$rootTag>","<$rootTag>|~|",$sXml);
+        $sXml = str_replace("</$rootTag>","</$rootTag>|~|",$sXml);
+        $sXml = str_replace("<e>","<e>|~|",$sXml);
+        $sXml = str_replace("</e>","</e>|~|",$sXml);
+        $sXml = str_replace("<k>","<k>|~|",$sXml);
+        $sXml = str_replace("</k>","|~|</k>|~|",$sXml);
+        $sXml = str_replace("<v>","<v>|~|",$sXml);
+        $sXml = str_replace("</v>","|~|</v>|~|",$sXml);
+        $sXml = str_replace("<q>","<q>|~|",$sXml);
+        $sXml = str_replace("</q>","|~|</q>|~|",$sXml);
+
+        $this->aObjArray = explode("|~|",$sXml);
+
+        $this->iPos = 0;
+        $aArray = $this->_parseObjXml($rootTag);
+
+        return $aArray;
+    }
+
+    /**
+     * A recursive function that generates an array from the contents of
+     * $this->aObjArray.
+     *
+     * @param string the root tag of the XML
+     * @access private
+     * @return array
+     */
+    function _parseObjXml($rootTag)
+    {
+        $aArray = array();
+
+        if ($rootTag == "xjxobj")
+        {
+            while(!stristr($this->aObjArray[$this->iPos],"</xjxobj>"))
+            {
+                $this->iPos++;
+                if(stristr($this->aObjArray[$this->iPos],"<e>"))
+                {
+                    $key = "";
+                    $value = null;
+
+                    $this->iPos++;
+                    while(!stristr($this->aObjArray[$this->iPos],"</e>"))
+                    {
+                        if(stristr($this->aObjArray[$this->iPos],"<k>"))
+                        {
+                            $this->iPos++;
+                            while(!stristr($this->aObjArray[$this->iPos],"</k>"))
+                            {
+                                $key .= $this->aObjArray[$this->iPos];
+                                $this->iPos++;
+                            }
+                        }
+                        if(stristr($this->aObjArray[$this->iPos],"<v>"))
+                        {
+                            $this->iPos++;
+                            while(!stristr($this->aObjArray[$this->iPos],"</v>"))
+                            {
+                                if(stristr($this->aObjArray[$this->iPos],"<xjxobj>"))
+                                {
+                                    $value = $this->_parseObjXml("xjxobj");
+                                    $this->iPos++;
+                                }
+                                else
+                                {
+                                    $value .= $this->aObjArray[$this->iPos];
+                                    if ($this->bDecodeUTF8Input)
+                                    {
+                                        $value = $this->_decodeUTF8Data($value);
+                                    }
+                                }
+                                $this->iPos++;
+                            }
+                        }
+                        $this->iPos++;
+                    }
+
+                    $aArray[$key]=$value;
+                }
+            }
+        }
+
+        if ($rootTag == "xjxquery")
+        {
+            $sQuery = "";
+            $this->iPos++;
+            while(!stristr($this->aObjArray[$this->iPos],"</xjxquery>"))
+            {
+                if (stristr($this->aObjArray[$this->iPos],"<q>") || stristr($this->aObjArray[$this->iPos],"</q>"))
+                {
+                    $this->iPos++;
+                    continue;
+                }
+                $sQuery	.= $this->aObjArray[$this->iPos];
+                $this->iPos++;
+            }
+
+            parse_str($sQuery, $aArray);
+            if ($this->bDecodeUTF8Input)
+            {
+                foreach($aArray as $key => $value)
+                {
+                    $aArray[$key] = $this->_decodeUTF8Data($value);
+                }
+            }
+            // If magic quotes is on, then we need to strip the slashes from the
+            // array values because of the parse_str pass which adds slashes
+            if (get_magic_quotes_gpc() == 1) {
+                $newArray = array();
+                foreach ($aArray as $sKey => $sValue) {
+                    if (is_string($sValue))
+                        $newArray[$sKey] = stripslashes($sValue);
+                    else
+                        $newArray[$sKey] = $sValue;
+                }
+                $aArray = $newArray;
+            }
+        }
+
+        return $aArray;
+    }
+
+    /**
+     * Decodes string data from UTF-8 to the current xajax encoding.
+     *
+     * @param string data to convert
+     * @access private
+     * @return string converted data
+     */
+    function _decodeUTF8Data($sData)
+    {
+        $sValue = $sData;
+        if ($this->bDecodeUTF8Input)
+        {
+            $sFuncToUse = NULL;
+
+            // An adaptation for the Dokeos LMS, 22-AUG-2009.
+            if (function_exists('api_convert_encoding'))
+            {
+                $sFuncToUse = "api_convert_encoding";
+            }
+            //if (function_exists('iconv'))
+            elseif (function_exists('iconv'))
+            //
+            {
+                $sFuncToUse = "iconv";
+            }
+            else if (function_exists('mb_convert_encoding'))
+            {
+                $sFuncToUse = "mb_convert_encoding";
+            }
+            else if ($this->sEncoding == "ISO-8859-1")
+            {
+                $sFuncToUse = "utf8_decode";
+            }
+            else
+            {
+                trigger_error("The incoming xajax data could not be converted from UTF-8", E_USER_NOTICE);
+            }
+
+            if ($sFuncToUse)
+            {
+                if (is_string($sValue))
+                {
+                    if ($sFuncToUse == "iconv")
+                    {
+                        $sValue = iconv("UTF-8", $this->sEncoding.'//TRANSLIT', $sValue);
+                    }
+                    else if ($sFuncToUse == "mb_convert_encoding")
+                    {
+                        $sValue = mb_convert_encoding($sValue, $this->sEncoding, "UTF-8");
+                    }
+                    // Added code, an adaptation for the Dokeos LMS, 22-AUG-2009.
+                    else if ($sFuncToUse == "api_convert_encoding")
+                    {
+                        $sValue = api_convert_encoding($sValue, $this->sEncoding, "UTF-8");
+                    }
+                    //
+                    else
+                    {
+                        $sValue = utf8_decode($sValue);
+                    }
+                }
+            }
+        }
+        return $sValue;
+    }
 
 }// end class xajax
 
@@ -1220,31 +1220,31 @@ 
  */
 function xajaxErrorHandler($errno, $errstr, $errfile, $errline)
 {
-	$errorReporting = error_reporting();
-	if (($errno & $errorReporting) == 0) return;
-
-	if ($errno == E_NOTICE) {
-		$errTypeStr = "NOTICE";
-	}
-	else if ($errno == E_WARNING) {
-		$errTypeStr = "WARNING";
-	}
-	else if ($errno == E_USER_NOTICE) {
-		$errTypeStr = "USER NOTICE";
-	}
-	else if ($errno == E_USER_WARNING) {
-		$errTypeStr = "USER WARNING";
-	}
-	else if ($errno == E_USER_ERROR) {
-		$errTypeStr = "USER FATAL ERROR";
-	}
-	else if ($errno == E_STRICT) {
-		return;
-	}
-	else {
-		$errTypeStr = "UNKNOWN: $errno";
-	}
-	$GLOBALS['xajaxErrorHandlerText'] .= "\n----\n[$errTypeStr] $errstr\nerror in line $errline of file $errfile";
+    $errorReporting = error_reporting();
+    if (($errno & $errorReporting) == 0) return;
+
+    if ($errno == E_NOTICE) {
+        $errTypeStr = "NOTICE";
+    }
+    else if ($errno == E_WARNING) {
+        $errTypeStr = "WARNING";
+    }
+    else if ($errno == E_USER_NOTICE) {
+        $errTypeStr = "USER NOTICE";
+    }
+    else if ($errno == E_USER_WARNING) {
+        $errTypeStr = "USER WARNING";
+    }
+    else if ($errno == E_USER_ERROR) {
+        $errTypeStr = "USER FATAL ERROR";
+    }
+    else if ($errno == E_STRICT) {
+        return;
+    }
+    else {
+        $errTypeStr = "UNKNOWN: $errno";
+    }
+    $GLOBALS['xajaxErrorHandlerText'] .= "\n----\n[$errTypeStr] $errstr\nerror in line $errline of file $errfile";
 }
 
 ?>