chamilo / chamilo-lms

main/gradebook/lib/be/learnpathlink.class.php

Doc Comments +1 added lines, -1 removed lines

@@ -95,7 +95,7 @@
 
 	/**
 	 * Get the progress of this learnpath. Only the last attempt are taken into account.
-	 * @param $stud_id student id (default: all students who have results - then the average is returned)
+	 * @param integer $stud_id student id (default: all students who have results - then the average is returned)
 	 * @return	array (score, max) if student is given
 	 * 			array (sum of scores, number of scores) otherwise
 	 * 			or null if no scores available

Spacing +11 added lines, -11 removed lines

@@ -43,9 +43,9 @@ 
 
 		$result = Database::query($sql);
 
-		$cats=array();
-		while ($data=Database::fetch_array($result)) {
-			$cats[] = array ($data['id'], $data['name']);
+		$cats = array();
+		while ($data = Database::fetch_array($result)) {
+			$cats[] = array($data['id'], $data['name']);
 		}
 
 		return $cats;
@@ -72,8 +72,8 @@ 
 		$result = Database::query($sql);
 
 		$cats = array();
-		while ($data=Database::fetch_array($result)) {
-			$cats[] = array ($data['id'], $data['name']);
+		while ($data = Database::fetch_array($result)) {
+			$cats[] = array($data['id'], $data['name']);
 		}
 
 		return $cats;
@@ -89,7 +89,7 @@ 
 		$sql = "SELECT count(id) AS number FROM $tbl_stats
 				WHERE c_id = ".$this->course_id." AND lp_id = ".$this->get_ref_id();
 		$result = Database::query($sql);
-		$number = Database::fetch_array($result,'NUM');
+		$number = Database::fetch_array($result, 'NUM');
 		return ($number[0] != 0);
 	}
 
@@ -121,12 +121,12 @@ 
 		// for 1 student
 		if (isset($stud_id)) {
 			if ($data = Database::fetch_assoc($scores)) {
-				return array ($data['progress'], 100);
+				return array($data['progress'], 100);
 			} else
 				return null;
 		} else {
 			// all students -> get average
-			$students = array();  // user list, needed to make sure we only
+			$students = array(); // user list, needed to make sure we only
 			// take first attempts into account
 			$rescount = 0;
 			$sum = 0;
@@ -154,7 +154,7 @@ 
 						return array($bestResult, 100);
 						break;
 					case 'average':
-						return array($sumResult/$rescount, 100);
+						return array($sumResult / $rescount, 100);
 						break;
 					case 'ranking':
 						return AbstractLink::getCurrentUserRanking($stud_id, $students);
@@ -173,7 +173,7 @@ 
 	public function get_link()
 	{
 		$session_id = api_get_session_id();
-		$url = api_get_path(WEB_CODE_PATH) . 'lp/lp_controller.php?'.api_get_cidreq_params($this->get_course_code(), $session_id).'&gradebook=view';
+		$url = api_get_path(WEB_CODE_PATH).'lp/lp_controller.php?'.api_get_cidreq_params($this->get_course_code(), $session_id).'&gradebook=view';
 
 		if (!api_is_allowed_to_edit() || $this->calc_score(api_get_user_id()) == null) {
 			$url .= '&action=view&lp_id='.$this->get_ref_id();
@@ -208,7 +208,7 @@ 
 		$sql = 'SELECT count(id) FROM '.$this->get_learnpath_table().'
                 WHERE c_id = '.$this->course_id.' AND id = '.$this->get_ref_id().' ';
 		$result = Database::query($sql);
-		$number = Database::fetch_row($result,'NUM');
+		$number = Database::fetch_row($result, 'NUM');
 		return ($number[0] != 0);
 	}
 

main/gradebook/lib/fe/gradebooktable.class.php

Doc Comments +3 added lines, -1 removed lines

@@ -32,6 +32,8 @@ 
      * @param array $evals
      * @param array $links
      * @param null $addparams
+     * @param boolean $showTeacherView
+     * @param integer $userId
      */
     public function __construct(
         $currentcat,
@@ -895,7 +897,7 @@ 
 
     /**
      * @param $item
-     * @return mixed
+     * @return string|null
      */
     private function build_course_code($item)
     {

Spacing +42 added lines, -42 removed lines

@@ -71,7 +71,7 @@ 
             $this->set_additional_parameters($addparams);
         }
 
-        $column= 0;
+        $column = 0;
         if ($this->teacherView) {
             if ($this->exportToPdf == false) {
                 $this->set_header($column++, '', '', 'width="25px"');
@@ -283,13 +283,13 @@ 
                 $main_categories[$item->get_id()]['name'] = $item->get_name();
             } else {
                 $name = $this->build_name_link($item, $type);
-                $row[] = $invisibility_span_open.$name. $invisibility_span_close;
+                $row[] = $invisibility_span_open.$name.$invisibility_span_close;
                 $main_categories[$item->get_id()]['name'] = $name;
             }
 
             $this->dataForGraph['categories'][] = $item->get_name();
 
-            $main_categories[$item->get_id()]['weight']= $item->get_weight();
+            $main_categories[$item->get_id()]['weight'] = $item->get_weight();
             $total_categories_weight += $item->get_weight();
 
             // Description.
@@ -309,9 +309,9 @@ 
             );
 
             if ($this->teacherView) {
-                $row[] = $invisibility_span_open .Display::tag('p', $weight, array('class' => 'score')).$invisibility_span_close;
+                $row[] = $invisibility_span_open.Display::tag('p', $weight, array('class' => 'score')).$invisibility_span_close;
             } else {
-                $row[] = $invisibility_span_open .$weight.$invisibility_span_close;
+                $row[] = $invisibility_span_open.$weight.$invisibility_span_close;
             }
 
             $category_weight = $item->get_weight();
@@ -337,7 +337,7 @@ 
 
                 if (!empty($score[1])) {
                     $completeScore = $scoredisplay->display_score($score, SCORE_DIV_PERCENT);
-                    $score = $score[0]/$score[1]*$item->get_weight();
+                    $score = $score[0] / $score[1] * $item->get_weight();
                     $score = $scoredisplay->display_score(array($score, null), SCORE_SIMPLE);
                     $scoreToDisplay = Display::tip($score, $completeScore);
                 } else {
@@ -373,7 +373,7 @@ 
                     $totalResultAverageValue = strip_tags($scoredisplay->display_score($totalResult, SCORE_AVERAGE));
                     $this->dataForGraph['my_result'][] = (float) str_replace('%', '', $totalResultAverageValue);
                     $totalAverageValue = strip_tags($scoredisplay->display_score($totalAverage, SCORE_AVERAGE));
-                    $this->dataForGraph['average'][] =  (float) str_replace('%', '', $totalAverageValue);
+                    $this->dataForGraph['average'][] = (float) str_replace('%', '', $totalAverageValue);
                     // Ranking
                     $row[] = $ranking;
                     // Best
@@ -456,7 +456,7 @@ 
                         $row[] = $this->build_type_column($item, array('style' => 'padding-left:5px'));
 
                         // Name.
-                        $row[] = $invisibility_span_open."     ".$this->build_name_link($item, $type) . $invisibility_span_close;
+                        $row[] = $invisibility_span_open."     ".$this->build_name_link($item, $type).$invisibility_span_close;
 
                         // Description.
                         if ($this->exportToPdf == false) {
@@ -494,7 +494,7 @@ 
                             // Students get the results and certificates columns
                             $eval_n_links = array_merge($alleval, $alllink);
 
-                            if (count($eval_n_links)> 0) {
+                            if (count($eval_n_links) > 0) {
                                 $value_data = isset($data[4]) ? $data[4] : null;
 
                                 if (!is_null($value_data)) {
@@ -593,7 +593,7 @@ 
                 $row = array(
                     null,
                     null,
-                    '<strong>' . get_lang('Total') . '</strong>',
+                    '<strong>'.get_lang('Total').'</strong>',
                     null,
                     $total
                 );
@@ -663,7 +663,7 @@ 
                 if ($this->exportToPdf) {
                     $row = array(
                         null,
-                        '<h3>' . get_lang('Total') . '</h3>',
+                        '<h3>'.get_lang('Total').'</h3>',
                         $main_weight,
                         $totalResult,
                         $totalRanking,
@@ -673,7 +673,7 @@ 
                 } else {
                     $row = array(
                         null,
-                        '<h3>' . get_lang('Total') . '</h3>',
+                        '<h3>'.get_lang('Total').'</h3>',
                         null,
                         $main_weight,
                         $totalResult,
@@ -688,7 +688,7 @@ 
         }
 
         // Warning messages
-        $view = isset($_GET['view']) ? $_GET['view']: null;
+        $view = isset($_GET['view']) ? $_GET['view'] : null;
 
         if ($this->teacherView) {
             if (isset($_GET['selectcat']) &&
@@ -701,14 +701,14 @@ 
                 $weight_category = intval($this->build_weight($category[0]));
 
                 $course_code = $this->build_course_code($category[0]);
-                $weight_total_links  = round($weight_total_links);
+                $weight_total_links = round($weight_total_links);
 
                 if ($weight_total_links > $weight_category ||
                     $weight_total_links < $weight_category ||
                     $weight_total_links > $weight_category
                 ) {
                     $warning_message = sprintf(get_lang('TotalWeightMustBeX'), $weight_category);
-                    $modify_icons  = '<a href="gradebook_edit_cat.php?editcat='.$id_cat.'&cidReq='.$course_code.'&id_session='.api_get_session_id().'">'.
+                    $modify_icons = '<a href="gradebook_edit_cat.php?editcat='.$id_cat.'&cidReq='.$course_code.'&id_session='.api_get_session_id().'">'.
                         Display::return_icon('edit.png', $warning_message, array(), ICON_SIZE_SMALL).'</a>';
                     $warning_message .= $modify_icons;
                     Display::display_warning_message($warning_message, false);
@@ -721,7 +721,7 @@ 
                 );
 
                 if (!empty($content_html)) {
-                    $new_content = explode('</head>',$content_html['content']);
+                    $new_content = explode('</head>', $content_html['content']);
                 }
 
                 if (empty($new_content[0])) {
@@ -755,7 +755,7 @@ 
                     is_array($course_codes)
                 ) {
                     $warning_message = '';
-                    for ($x = 0; $x<count($weight_categories);$x++) {
+                    for ($x = 0; $x < count($weight_categories); $x++) {
                         $weight_category = intval($weight_categories[$x]);
                         $certificate_min_score = intval($certificate_min_scores[$x]);
                         $course_code = $course_codes[$x];
@@ -763,12 +763,12 @@ 
                         if (empty($certificate_min_score) ||
                             ($certificate_min_score > $weight_category)
                         ) {
-                            $warning_message .= $course_code .'&nbsp;-&nbsp;'.get_lang('CertificateMinimunScoreIsRequiredAndMustNotBeMoreThan').'&nbsp;'.$weight_category.'<br />';
+                            $warning_message .= $course_code.'&nbsp;-&nbsp;'.get_lang('CertificateMinimunScoreIsRequiredAndMustNotBeMoreThan').'&nbsp;'.$weight_category.'<br />';
                         }
                     }
 
                     if (!empty($warning_message)) {
-                        Display::display_warning_message($warning_message,false);
+                        Display::display_warning_message($warning_message, false);
                     }
                 }
             }
@@ -812,15 +812,15 @@ 
             $pChart->Antialias = FALSE;
 
             /* Add a border to the picture */
-            $pChart->drawRectangle(0,0,$xSize-10,$ySize-10,array("R"=>0,"G"=>0,"B"=>0));
+            $pChart->drawRectangle(0, 0, $xSize - 10, $ySize - 10, array("R"=>0, "G"=>0, "B"=>0));
 
-            $pChart->drawText(10,16,get_lang('Results'),array("FontSize"=>11,"Align"=>TEXT_ALIGN_BOTTOMLEFT));
+            $pChart->drawText(10, 16, get_lang('Results'), array("FontSize"=>11, "Align"=>TEXT_ALIGN_BOTTOMLEFT));
 
-            $pChart->setGraphArea(50, 30, $xSize-50, $ySize-50);
+            $pChart->setGraphArea(50, 30, $xSize - 50, $ySize - 50);
 
             $pChart->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,
                 )
             );
@@ -840,7 +840,7 @@ 
 
             /* Draw the line chart */
             $pChart->drawLineChart();
-            $pChart->drawPlotChart(array("DisplayValues"=>TRUE,"PlotBorder"=>TRUE,"BorderSize"=>2,"Surrounding"=>-60,"BorderAlpha"=>80));
+            $pChart->drawPlotChart(array("DisplayValues"=>TRUE, "PlotBorder"=>TRUE, "BorderSize"=>2, "Surrounding"=>-60, "BorderAlpha"=>80));
 
             /* Write the chart legend */
             $pChart->drawLegend(
@@ -860,13 +860,13 @@ 
             $chartHash = $myCache->getHash($dataSet);
 
             $myCache->writeToCache($chartHash, $pChart);
-            $imgSysPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+            $imgSysPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
             $myCache->saveFromCache($chartHash, $imgSysPath);
-            $imgWebPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+            $imgWebPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
 
             if (file_exists($imgSysPath)) {
                 $result = '<div id="contentArea" style="text-align: center;" >';
-                $result .= '<img src="' . $imgWebPath.'" >';
+                $result .= '<img src="'.$imgWebPath.'" >';
                 $result .= '</div>';
                 return $result;
             }
@@ -911,13 +911,13 @@ 
         switch ($item->get_item_type()) {
             // category
             case 'C' :
-                return 'CATE' . $item->get_id();
+                return 'CATE'.$item->get_id();
             // evaluation
             case 'E' :
-                return 'EVAL' . $item->get_id();
+                return 'EVAL'.$item->get_id();
             // link
             case 'L' :
-                return 'LINK' . $item->get_id();
+                return 'LINK'.$item->get_id();
         }
     }
 
@@ -945,20 +945,20 @@ 
         switch ($item->get_item_type()) {
             // category
             case 'C' :
-                $prms_uri='?selectcat=' . $item->get_id() . '&amp;view='.$view;
+                $prms_uri = '?selectcat='.$item->get_id().'&amp;view='.$view;
 
                 if (isset($_GET['isStudentView'])) {
-                    if ( isset($is_student) || ( isset($_SESSION['studentview']) && $_SESSION['studentview']=='studentview') ) {
-                        $prms_uri=$prms_uri.'&amp;isStudentView='.Security::remove_XSS($_GET['isStudentView']);
+                    if (isset($is_student) || (isset($_SESSION['studentview']) && $_SESSION['studentview'] == 'studentview')) {
+                        $prms_uri = $prms_uri.'&amp;isStudentView='.Security::remove_XSS($_GET['isStudentView']);
                     }
                 }
 
                 $cat = new Category();
-                $show_message=$cat->show_message_resource_delete($item->get_course_code());
+                $show_message = $cat->show_message_resource_delete($item->get_course_code());
                 return '&nbsp;<a href="'.Security::remove_XSS($_SESSION['gradebook_dest']).$prms_uri.'">'
                 . $item->get_name()
                 . '</a>'
-                . ($item->is_course() ? ' &nbsp;[' . $item->get_course_code() . ']'.$show_message : '');
+                . ($item->is_course() ? ' &nbsp;['.$item->get_course_code().']'.$show_message : '');
                 // evaluation
             case 'E' :
                 $cat = new Category();
@@ -966,10 +966,10 @@ 
                 $show_message = $cat->show_message_resource_delete($course_id);
 
                 // course/platform admin can go to the view_results page
-                if (api_is_allowed_to_edit() && $show_message===false) {
+                if (api_is_allowed_to_edit() && $show_message === false) {
                     if ($item->get_type() == 'presence') {
                         return '&nbsp;'
-                        . '<a href="gradebook_view_result.php?cidReq='.$course_id.'&amp;selecteval=' . $item->get_id() . '">'
+                        . '<a href="gradebook_view_result.php?cidReq='.$course_id.'&amp;selecteval='.$item->get_id().'">'
                         . $item->get_name()
                         . '</a>';
                     } else {
@@ -978,20 +978,20 @@ 
                             $extra = '';
                         }
                         return '&nbsp;'
-                        . '<a href="gradebook_view_result.php?' . api_get_cidreq() . '&selecteval=' . $item->get_id() . '">'
+                        . '<a href="gradebook_view_result.php?'.api_get_cidreq().'&selecteval='.$item->get_id().'">'
                         . $item->get_name()
                         . '</a>&nbsp;'.$extra;
                     }
-                } elseif (ScoreDisplay :: instance()->is_custom() && $show_message===false) {
+                } elseif (ScoreDisplay :: instance()->is_custom() && $show_message === false) {
                     // students can go to the statistics page (if custom display enabled)
                     return '&nbsp;'
-                    . '<a href="gradebook_statistics.php?' . api_get_cidreq() . '&selecteval=' . $item->get_id() . '">'
+                    . '<a href="gradebook_statistics.php?'.api_get_cidreq().'&selecteval='.$item->get_id().'">'
                     . $item->get_name()
                     . '</a>';
 
                 } elseif ($show_message === false && !api_is_allowed_to_edit() && !ScoreDisplay :: instance()->is_custom()) {
                     return '&nbsp;'
-                    . '<a href="gradebook_statistics.php?' . api_get_cidreq() . '&selecteval=' . $item->get_id() . '">'
+                    . '<a href="gradebook_statistics.php?'.api_get_cidreq().'&selecteval='.$item->get_id().'">'
                     . $item->get_name()
                     . '</a>';
                 } else {
@@ -1006,7 +1006,7 @@ 
                 $url = $item->get_link();
 
                 if (isset($url) && $show_message === false) {
-                    $text = '&nbsp;<a href="' . $item->get_link() . '">'
+                    $text = '&nbsp;<a href="'.$item->get_link().'">'
                         . $item->get_name()
                         . '</a>';
                 } else {

main/gradebook/lib/user_data_generator.class.php

Doc Comments +5 added lines, -4 removed lines

@@ -72,6 +72,7 @@ 
 
 	/**
 	 * Get actual array data
+	 * @param integer $count
 	 * @return array 2-dimensional array - each array contains the elements:
 	 * 0: eval/link object
 	 * 1: item name
@@ -285,7 +286,7 @@ 
 
 	/**
 	 * @param $item
-	 * @param $ignore_score_color
+	 * @param boolean $ignore_score_color
 	 * @return string
 	 */
 	private function build_average_column($item, $ignore_score_color)
@@ -306,7 +307,7 @@ 
 
 	/**
 	 * @param $item
-	 * @param $ignore_score_color
+	 * @param boolean $ignore_score_color
 	 * @return string
 	 */
 	private function build_result_column($item, $ignore_score_color)
@@ -323,7 +324,7 @@ 
 
 	/**
 	 * @param $item
-	 * @param $ignore_score_color
+	 * @param boolean $ignore_score_color
 	 * @return string
 	 */
 	private function build_mask_column($item, $ignore_score_color)
@@ -339,7 +340,7 @@ 
 
 	/**
 	 * @param $coursecode
-	 * @return mixed
+	 * @return string
 	 */
 	private function get_course_name_from_code_cached($coursecode)
 	{

Spacing +25 added lines, -25 removed lines

@@ -50,9 +50,9 @@ 
 
         }
         if (count($result) == 0) {
-            $evals_filtered=$evals;
+            $evals_filtered = $evals;
         } else {
-            $evals_filtered=$evals_filtered_copy;
+            $evals_filtered = $evals_filtered_copy;
         }
         $this->items = array_merge($evals_filtered, $links);
 
@@ -85,7 +85,7 @@ 
 	{
 		// do some checks on count, redefine if invalid value
 		if (!isset($count)) {
-			$count = count ($this->items) - $start;
+			$count = count($this->items) - $start;
 		}
 		if ($count < 0) {
 			$count = 0;
@@ -104,20 +104,20 @@ 
 		} elseif ($sorting & self :: UDG_SORT_AVERAGE) {
 			// if user sorts on average scores, first calculate them and cache them
 			foreach ($allitems as $item) {
-				$this->avgcache[$item->get_item_type() . $item->get_id()]= $item->calc_score();
+				$this->avgcache[$item->get_item_type().$item->get_id()] = $item->calc_score();
 			}
 			usort($allitems, array('UserDataGenerator', 'sort_by_average'));
 		} elseif ($sorting & self :: UDG_SORT_SCORE) {
 			// if user sorts on student's scores, first calculate them and cache them
 			foreach ($allitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
+				$this->scorecache[$item->get_item_type().$item->get_id()]
 					= $item->calc_score($this->userid);
 			}
 			usort($allitems, array('UserDataGenerator', 'sort_by_score'));
 		} elseif ($sorting & self :: UDG_SORT_MASK) {
 			// if user sorts on student's masks, first calculate scores and cache them
 			foreach ($allitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
+				$this->scorecache[$item->get_item_type().$item->get_id()]
 					= $item->calc_score($this->userid);
 			}
 			usort($allitems, array('UserDataGenerator', 'sort_by_mask'));
@@ -132,7 +132,7 @@ 
 		// fill score cache if not done yet
 		if (!isset ($this->scorecache)) {
 			foreach ($visibleitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
+				$this->scorecache[$item->get_item_type().$item->get_id()]
 					= $item->calc_score($this->userid);
 			}
 
@@ -141,7 +141,7 @@ 
 		$scoredisplay = ScoreDisplay :: instance();
 		$data = array();
 		foreach ($visibleitems as $item) {
-			$row = array ();
+			$row = array();
 			$row[] = $item;
 			$row[] = $item->get_name();
 			$row[] = $this->build_course_name($item);
@@ -163,7 +163,7 @@ 
 	function sort_by_type($item1, $item2)
 	{
 		if ($item1->get_item_type() == $item2->get_item_type()) {
-			return $this->sort_by_name($item1,$item2);
+			return $this->sort_by_name($item1, $item2);
 		} else {
 			return ($item1->get_item_type() < $item2->get_item_type() ? -1 : 1);
 		}
@@ -203,7 +203,7 @@ 
 	 */
 	function sort_by_name($item1, $item2)
 	{
-		return api_strnatcmp($item1->get_name(),$item2->get_name());
+		return api_strnatcmp($item1->get_name(), $item2->get_name());
 	}
 
 	/**
@@ -213,8 +213,8 @@ 
 	 */
 	function sort_by_average($item1, $item2)
 	{
-		$score1 = $this->avgcache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->avgcache[$item2->get_item_type() . $item2->get_id()];
+		$score1 = $this->avgcache[$item1->get_item_type().$item1->get_id()];
+		$score2 = $this->avgcache[$item2->get_item_type().$item2->get_id()];
 
 		return $this->compare_scores($score1, $score2);
 	}
@@ -226,8 +226,8 @@ 
 	 */
 	function sort_by_score($item1, $item2)
 	{
-		$score1 = $this->scorecache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->scorecache[$item2->get_item_type() . $item2->get_id()];
+		$score1 = $this->scorecache[$item1->get_item_type().$item1->get_id()];
+		$score2 = $this->scorecache[$item2->get_item_type().$item2->get_id()];
 
 		return $this->compare_scores($score1, $score2);
 	}
@@ -239,8 +239,8 @@ 
 	 */
 	function sort_by_mask($item1, $item2)
 	{
-		$score1 = $this->scorecache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->scorecache[$item2->get_item_type() . $item2->get_id()];
+		$score1 = $this->scorecache[$item1->get_item_type().$item1->get_id()];
+		$score2 = $this->scorecache[$item2->get_item_type().$item2->get_id()];
 
 		return ScoreDisplay :: compare_scores_by_custom_display($score1, $score2);
 	}
@@ -256,10 +256,10 @@ 
 			return (isset($score2) ? 1 : 0);
 		} elseif (!isset($score2)) {
 			return -1;
-		} elseif (($score1[0]/$score1[1]) == ($score2[0]/$score2[1])) {
+		} elseif (($score1[0] / $score1[1]) == ($score2[0] / $score2[1])) {
 			return 0;
 		} else {
-			return (($score1[0]/$score1[1]) < ($score2[0]/$score2[1]) ? -1 : 1);
+			return (($score1[0] / $score1[1]) < ($score2[0] / $score2[1]) ? -1 : 1);
 		}
 	}
 
@@ -291,7 +291,7 @@ 
 	private function build_average_column($item, $ignore_score_color)
 	{
 		if (isset($this->avgcache)) {
-			$avgscore = $this->avgcache[$item->get_item_type() . $item->get_id()];
+			$avgscore = $this->avgcache[$item->get_item_type().$item->get_id()];
 		} else {
 			$avgscore = $item->calc_score();
 		}
@@ -311,7 +311,7 @@ 
 	 */
 	private function build_result_column($item, $ignore_score_color)
 	{
-		$studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
+		$studscore = $this->scorecache[$item->get_item_type().$item->get_id()];
 		$scoredisplay = ScoreDisplay :: instance();
 		$displaytype = SCORE_DIV_PERCENT;
 		if ($ignore_score_color) {
@@ -328,7 +328,7 @@ 
 	 */
 	private function build_mask_column($item, $ignore_score_color)
 	{
-		$studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
+		$studscore = $this->scorecache[$item->get_item_type().$item->get_id()];
 		$scoredisplay = ScoreDisplay :: instance();
 		$displaytype = SCORE_DIV_PERCENT;
 		if ($ignore_score_color) {
@@ -362,12 +362,12 @@ 
 		if (isset ($this->categorycache)
 			&& isset ($this->categorycache[$category_id])) {
 			return $this->categorycache[$category_id];
-		}else {
+		} else {
 			$cat = Category::load($category_id);
-			if (isset($cat)){
+			if (isset($cat)) {
 				$this->categorycache[$category_id] = $cat[0];
 				return $cat[0];
-			}else
+			} else
 				return null;
 		}
 	}
@@ -379,7 +379,7 @@ 
 	private function get_category_name_to_display($cat)
 	{
 		if (isset($cat)) {
-			if ($cat->get_parent_id() == '0' || $cat->get_parent_id() == null){
+			if ($cat->get_parent_id() == '0' || $cat->get_parent_id() == null) {
 				return '';
 			} else {
 				return $cat->get_name();

main/inc/lib/AnnouncementManager.php

Doc Comments +9 added lines, -5 removed lines

@@ -18,7 +18,7 @@ 
     }
 
     /**
-     * @return array
+     * @return string[]
      */
     public static function get_tags()
     {
@@ -40,7 +40,7 @@ 
      * @param string    $course_code
      * @param int       $session_id
      *
-     * @return mixed
+     * @return string
      */
     public static function parse_content($userId, $content, $course_code, $session_id = 0)
     {
@@ -349,7 +349,7 @@ 
      * @param array	    uploaded file $_FILES
      * @param string    Comment describing the attachment
      * @param bool  $sendToUsersInSession
-     * @return int      false on failure, ID of the announcement on success
+     * @return false|string      false on failure, ID of the announcement on success
      */
     public static function add_announcement(
         $emailTitle,
@@ -460,7 +460,7 @@ 
      * @param $to_users
      * @param array $file
      * @param string $file_comment
-     * @return bool|int
+     * @return false|string
      */
     public static function add_group_announcement(
         $emailTitle,
@@ -699,7 +699,7 @@ 
 
     /**
      * @param int $insert_id
-     * @return bool
+     * @return false|null
      */
     public static function update_mail_sent($insert_id)
     {
@@ -719,6 +719,7 @@ 
      * Gets all announcements from a user by course
      * @param	string course db
      * @param	int user id
+     * @param integer $user_id
      * @return	array html with the content and count of announcements or false otherwise
      */
     public static function get_all_annoucement_by_user_course($course_code, $user_id)
@@ -1184,6 +1185,7 @@ 
      * has been sent to
      * @param    string  The tool (announcement, agenda, ...)
      * @param    int     ID of the element of the corresponding type
+     * @param string $tool
      * @return   array   Array of users and groups to whom the element has been sent
      */
     public static function sent_to($tool, $id)
@@ -1308,6 +1310,8 @@ 
      * @param int attach id
      * @param array uploaded file $_FILES
      * @param string file comment
+     * @param integer $id_attach
+     * @param string $file_comment
      * @return int
      */
     public static function edit_announcement_attachment_file($id_attach, $file, $file_comment)

Spacing +73 added lines, -73 removed lines

@@ -216,8 +216,8 @@ 
                             announcement.id = '$announcement_id' AND
                             toolitemproperties.tool='announcement' AND
                             (
-                                toolitemproperties.to_user_id='" . api_get_user_id() . "' OR
-                                toolitemproperties.to_group_id IN ('0', '" . implode("', '", $group_list) . "') OR
+                                toolitemproperties.to_user_id='".api_get_user_id()."' OR
+                                toolitemproperties.to_group_id IN ('0', '" . implode("', '", $group_list)."') OR
                                 toolitemproperties.to_group_id IS NULL
                             ) AND
                             toolitemproperties.visibility='1' AND
@@ -246,13 +246,13 @@ 
             $title = $result['title'];
             $content = $result['content'];
             $html .= "<table height=\"100\" width=\"100%\" cellpadding=\"5\" cellspacing=\"0\" class=\"data_table\">";
-            $html .= "<tr><td><h2>" . $title . "</h2></td></tr>";
+            $html .= "<tr><td><h2>".$title."</h2></td></tr>";
 
             if (api_is_allowed_to_edit(false, true) ||
                 (api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())
             ) {
-                $modify_icons = "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=modify&id=" . $announcement_id . "\">" .
-                    Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL) . "</a>";
+                $modify_icons = "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=modify&id=".$announcement_id."\">".
+                    Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL)."</a>";
                 if ($result['visibility'] == 1) {
                     $image_visibility = "visible";
                     $alt_visibility = get_lang('Hide');
@@ -262,12 +262,12 @@ 
                 }
                 global $stok;
 
-                $modify_icons .= "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&origin=" . (!empty($_GET['origin']) ? Security::remove_XSS($_GET['origin']) : '') . "&action=showhide&id=" . $announcement_id . "&sec_token=" . $stok . "\">" .
-                    Display::return_icon($image_visibility . '.png', $alt_visibility, '', ICON_SIZE_SMALL) . "</a>";
+                $modify_icons .= "<a href=\"".api_get_self()."?".api_get_cidreq()."&origin=".(!empty($_GET['origin']) ? Security::remove_XSS($_GET['origin']) : '')."&action=showhide&id=".$announcement_id."&sec_token=".$stok."\">".
+                    Display::return_icon($image_visibility.'.png', $alt_visibility, '', ICON_SIZE_SMALL)."</a>";
 
                 if (api_is_allowed_to_edit(false, true)) {
-                    $modify_icons .= "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=delete&id=" . $announcement_id . "&sec_token=" . $stok . "\" onclick=\"javascript:if(!confirm('" . addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)) . "')) return false;\">" .
-                        Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL) .
+                    $modify_icons .= "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=delete&id=".$announcement_id."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset))."')) return false;\">".
+                        Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).
                         "</a>";
                 }
                 $html .= "<tr><th style='text-align:right'>$modify_icons</th></tr>";
@@ -276,7 +276,7 @@ 
             $content = self::parse_content($result['to_user_id'], $content, api_get_course_id(), api_get_session_id());
 
             $html .= "<tr><td>$content</td></tr>";
-            $html .= "<tr><td class=\"announcements_datum\">" . get_lang('LastUpdateDate') . " : " . api_convert_and_format_date($result['insert_date'], DATE_TIME_FORMAT_LONG) . "</td></tr>";
+            $html .= "<tr><td class=\"announcements_datum\">".get_lang('LastUpdateDate')." : ".api_convert_and_format_date($result['insert_date'], DATE_TIME_FORMAT_LONG)."</td></tr>";
 
             // User or group icon
             $sent_to_icon = '';
@@ -288,7 +288,7 @@ 
                 $sent_to_form = self::sent_to_form($sent_to);
                 $html .= Display::tag(
                     'td',
-                    get_lang('SentTo') . ' : ' . $sent_to_form,
+                    get_lang('SentTo').' : '.$sent_to_form,
                     array('class' => 'announcements_datum')
                 );
             }
@@ -298,15 +298,15 @@ 
                 $html .= "<tr><td>";
                 $realname = $attachment_list['path'];
                 $user_filename = $attachment_list['filename'];
-                $full_file_name = 'download.php?'.api_get_cidreq().'&file=' . $realname;
+                $full_file_name = 'download.php?'.api_get_cidreq().'&file='.$realname;
                 $html .= '<br/>';
                 $html .= Display::return_icon('attachment.gif', get_lang('Attachment'));
-                $html .= '<a href="' . $full_file_name . ' "> ' . $user_filename . ' </a>';
-                $html .= ' - <span class="forum_attach_comment" >' . $attachment_list['comment'] . '</span>';
+                $html .= '<a href="'.$full_file_name.' "> '.$user_filename.' </a>';
+                $html .= ' - <span class="forum_attach_comment" >'.$attachment_list['comment'].'</span>';
                 if (api_is_allowed_to_edit(false, true)) {
                     $html .= Display::url(
                         Display::return_icon('delete.png', get_lang('Delete'), '', 16),
-                        api_get_self() . "?" . api_get_cidreq() . "&action=delete_attachment&id_attach=" . $attachment_list['id'] . "&sec_token=" . $stok
+                        api_get_self()."?".api_get_cidreq()."&action=delete_attachment&id_attach=".$attachment_list['id']."&sec_token=".$stok
                     );
                 }
                 $html .= '</td></tr>';
@@ -334,7 +334,7 @@ 
         $order = 0;
         if (Database::num_rows($res_max)) {
             $row_max = Database::fetch_array($res_max);
-            $order = intval($row_max[0])+1;
+            $order = intval($row_max[0]) + 1;
         }
 
         return $order;
@@ -754,8 +754,8 @@ 
             $result = array();
             if ($num_rows > 0) {
                 while ($myrow = Database::fetch_array($rs)) {
-                    $content.= '<strong>' . $myrow['title'] . '</strong><br /><br />';
-                    $content.= $myrow['content'];
+                    $content .= '<strong>'.$myrow['title'].'</strong><br /><br />';
+                    $content .= $myrow['content'];
                     $i++;
                 }
                 $result['content'] = $content;
@@ -786,7 +786,7 @@ 
         echo "<table id=\"recipient_list\" >";
         echo '<tr>';
         echo '<td>';
-        echo '<label><input type="checkbox" id="send_to_all_users">'.get_lang('SendToAllUsers') . "</label>";
+        echo '<label><input type="checkbox" id="send_to_all_users">'.get_lang('SendToAllUsers')."</label>";
         echo "</td>";
         echo '</tr>';
         echo '<tr>';
@@ -794,7 +794,7 @@ 
 
         // the form containing all the groups and all the users of the course
         echo '<td>';
-        echo "<strong>" . get_lang('Users') . "</strong><br />";
+        echo "<strong>".get_lang('Users')."</strong><br />";
 
         self::construct_not_selected_select_form($groupList, $userList, $to_already_selected);
         echo "</td>";
@@ -809,7 +809,7 @@ 
         echo "<td>";
 
         // the form containing the selected groups and users
-        echo "<strong>" . get_lang('DestinationUsers') . "</strong><br />";
+        echo "<strong>".get_lang('DestinationUsers')."</strong><br />";
         self::construct_selected_select_form($groupList, $userList, $to_already_selected);
         echo "</td>";
         echo "</tr>";
@@ -827,8 +827,8 @@ 
         echo "<select id=\"not_selected_form\" name=\"not_selected_form[]\" size=5 style=\"width:200px\" multiple>";
         $group_users = GroupManager::getStudentsAndTutors($group_id);
         foreach ($group_users as $user) {
-            echo '<option value="' . $user['user_id'] . '" title="' . sprintf(get_lang('LoginX'), $user['username']) . '" >' .
-                api_get_person_name($user['firstname'], $user['lastname']) .
+            echo '<option value="'.$user['user_id'].'" title="'.sprintf(get_lang('LoginX'), $user['username']).'" >'.
+                api_get_person_name($user['firstname'], $user['lastname']).
                 '</option>';
         }
         echo '</select>';
@@ -866,12 +866,12 @@ 
         if (!empty($groupList)) {
             foreach ($groupList as $this_group) {
                 if (is_array($to_already_selected)) {
-                    if (!in_array("GROUP:" . $this_group['id'], $to_already_selected)) {
+                    if (!in_array("GROUP:".$this_group['id'], $to_already_selected)) {
                         // $to_already_selected is the array containing the groups (and users) that are already selected
-                        $user_label = ($this_group['userNb'] > 0) ? get_lang('Users') : get_lang('LowerCaseUser') ;
-                        $user_disabled = ($this_group['userNb'] > 0) ? "" : "disabled=disabled" ;
-                        echo "<option $user_disabled value=\"GROUP:" . $this_group['id'] . "\">",
-                        "G: ", $this_group['name'], " - " . $this_group['userNb'] . " " . $user_label .
+                        $user_label = ($this_group['userNb'] > 0) ? get_lang('Users') : get_lang('LowerCaseUser');
+                        $user_disabled = ($this_group['userNb'] > 0) ? "" : "disabled=disabled";
+                        echo "<option $user_disabled value=\"GROUP:".$this_group['id']."\">",
+                        "G: ", $this_group['name'], " - ".$this_group['userNb']." ".$user_label.
                             "</option>";
                     }
                 }
@@ -885,15 +885,15 @@ 
         if (!empty($userList)) {
             foreach ($userList as $user) {
                 if (is_array($to_already_selected)) {
-                    if (!in_array("USER:" . $user['user_id'], $to_already_selected)) {
+                    if (!in_array("USER:".$user['user_id'], $to_already_selected)) {
                         // $to_already_selected is the array containing the users (and groups) that are already selected
-                        echo "<option value=\"USER:" . $user['user_id'] . "\" title='" . sprintf(get_lang('LoginX'), $user['username']) . "'>",
+                        echo "<option value=\"USER:".$user['user_id']."\" title='".sprintf(get_lang('LoginX'), $user['username'])."'>",
                         "", api_get_person_name($user['firstname'], $user['lastname']),
                         "</option>";
 
                         if (isset($user['drh_list']) && !empty($user['drh_list'])) {
                             foreach ($user['drh_list'] as $drh) {
-                                echo "<option value=\"USER:" . $drh['user_id'] . "\" title='" . sprintf(get_lang('LoginX'), $drh['username']) . "'>&nbsp;&nbsp;&nbsp;&nbsp;",
+                                echo "<option value=\"USER:".$drh['user_id']."\" title='".sprintf(get_lang('LoginX'), $drh['username'])."'>&nbsp;&nbsp;&nbsp;&nbsp;",
                                 "", api_get_person_name($drh['firstname'], $drh['lastname']),
                                 "</option>";
                             }
@@ -925,16 +925,16 @@ 
             foreach ($to_already_selected as $groupuser) {
                 list($type, $id) = explode(":", $groupuser);
                 if ($type == "GROUP") {
-                    echo "<option value=\"" . $groupuser . "\">G: " . $ref_array_groups[$id]['name'] . "</option>";
+                    echo "<option value=\"".$groupuser."\">G: ".$ref_array_groups[$id]['name']."</option>";
                 } else {
                     foreach ($ref_array_users as $key => $value) {
                         if ($value['user_id'] == $id) {
-                            echo "<option value=\"" . $groupuser . "\" title='" . sprintf(get_lang('LoginX'), $value['username']) . "'>" .
-                                api_get_person_name($value['firstname'], $value['lastname']) . "</option>";
+                            echo "<option value=\"".$groupuser."\" title='".sprintf(get_lang('LoginX'), $value['username'])."'>".
+                                api_get_person_name($value['firstname'], $value['lastname'])."</option>";
 
                             if (isset($value['drh_list']) && !empty($value['drh_list'])) {
                                 foreach ($value['drh_list'] as $drh) {
-                                    echo "<option value=\"USER:" . $drh['user_id'] . "\" title='" . sprintf(get_lang('LoginX'), $drh['username']) . "'>&nbsp;&nbsp;&nbsp;&nbsp;",
+                                    echo "<option value=\"USER:".$drh['user_id']."\" title='".sprintf(get_lang('LoginX'), $drh['username'])."'>&nbsp;&nbsp;&nbsp;&nbsp;",
                                     "", api_get_person_name($drh['firstname'], $drh['lastname']),
                                     "</option>";
                                 }
@@ -950,17 +950,17 @@ 
                 if (is_array($ref_array_groups)) {
                     foreach ($ref_array_groups as $this_group) {
                         //api_display_normal_message("group " . $thisGroup[id] . $thisGroup[name]);
-                        if (!is_array($to_already_selected) || !in_array("GROUP:" . $this_group['id'], $to_already_selected)) { // $to_already_selected is the array containing the groups (and users) that are already selected
-                            echo "<option value=\"GROUP:" . $this_group['id'] . "\">",
-                            "G: ", $this_group['name'], " &ndash; " . $this_group['userNb'] . " " . get_lang('Users') .
+                        if (!is_array($to_already_selected) || !in_array("GROUP:".$this_group['id'], $to_already_selected)) { // $to_already_selected is the array containing the groups (and users) that are already selected
+                            echo "<option value=\"GROUP:".$this_group['id']."\">",
+                            "G: ", $this_group['name'], " &ndash; ".$this_group['userNb']." ".get_lang('Users').
                                 "</option>";
                         }
                     }
                 }
                 // adding the individual users to the select form
                 foreach ($ref_array_users as $this_user) {
-                    if (!is_array($to_already_selected) || !in_array("USER:" . $this_user['user_id'], $to_already_selected)) { // $to_already_selected is the array containing the users (and groups) that are already selected
-                        echo "<option value=\"USER:", $this_user['user_id'], "\"  title='" . sprintf(get_lang('LoginX'), $this_user['username']) . "'>",
+                    if (!is_array($to_already_selected) || !in_array("USER:".$this_user['user_id'], $to_already_selected)) { // $to_already_selected is the array containing the users (and groups) that are already selected
+                        echo "<option value=\"USER:", $this_user['user_id'], "\"  title='".sprintf(get_lang('LoginX'), $this_user['username'])."'>",
                         "", api_get_person_name($this_user['firstname'], $this_user['lastname']),
                         "</option>";
                     }
@@ -1073,14 +1073,14 @@ 
             switch ($to_group) {
                 // it was send to one specific user
                 case null:
-                    $to[] = "USER:" . $row['to_user_id'];
+                    $to[] = "USER:".$row['to_user_id'];
                     break;
                 // it was sent to everyone
                 case 0:
                     return "everyone";
                     break;
                 default:
-                    $to[] = "GROUP:" . $row['to_group_id'];
+                    $to[] = "GROUP:".$row['to_group_id'];
             }
         }
         return $to;
@@ -1161,10 +1161,10 @@ 
                 $sent_to_array['groups'][0] !== 0
             ) {
                 $group_id = $sent_to_array['groups'][0];
-                $output[] = "&nbsp;" . $group_names[$group_id]['name'];
+                $output[] = "&nbsp;".$group_names[$group_id]['name'];
             }
             if (empty($sent_to_array['groups']) and empty($sent_to_array['users'])) {
-                $output[] = "&nbsp;" . get_lang('Everybody');
+                $output[] = "&nbsp;".get_lang('Everybody');
             }
         }
 
@@ -1199,7 +1199,7 @@ 
 
         $sql = "SELECT to_group_id, to_user_id
                 FROM $tbl_item_property
-                WHERE c_id = $course_id AND tool = '$tool' AND ref=" . $id;
+                WHERE c_id = $course_id AND tool = '$tool' AND ref=".$id;
         $result = Database::query($sql);
 
         while ($row = Database::fetch_array($result)) {
@@ -1238,8 +1238,8 @@ 
         $announcement_id = intval($announcement_id);
         $course_id = api_get_course_int_id();
         $row = array();
-        $sql = 'SELECT id, path, filename, comment FROM ' . $tbl_announcement_attachment . '
-				WHERE c_id = ' . $course_id . ' AND announcement_id = ' . $announcement_id . '';
+        $sql = 'SELECT id, path, filename, comment FROM '.$tbl_announcement_attachment.'
+				WHERE c_id = ' . $course_id.' AND announcement_id = '.$announcement_id.'';
         $result = Database::query($sql);
         if (Database::num_rows($result) != 0) {
             $row = Database::fetch_array($result, 'ASSOC');
@@ -1264,9 +1264,9 @@ 
 
         if (is_array($file) && $file['error'] == 0) {
             // TODO: This path is obsolete. The new document repository scheme should be kept in mind here.
-            $courseDir = $_course['path'] . '/upload/announcements';
+            $courseDir = $_course['path'].'/upload/announcements';
             $sys_course_path = api_get_path(SYS_COURSE_PATH);
-            $updir = $sys_course_path . $courseDir;
+            $updir = $sys_course_path.$courseDir;
 
             // Try to add an extension to the file if it hasn't one
             $new_file_name = add_ext_on_mime(stripslashes($file['name']), $file['type']);
@@ -1278,7 +1278,7 @@ 
                 Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
             } else {
                 $new_file_name = uniqid('');
-                $new_path = $updir . '/' . $new_file_name;
+                $new_path = $updir.'/'.$new_file_name;
                 move_uploaded_file($file['tmp_name'], $new_path);
 
                 $params = [
@@ -1319,9 +1319,9 @@ 
 
         if (is_array($file) && $file['error'] == 0) {
             // TODO: This path is obsolete. The new document repository scheme should be kept in mind here.
-            $courseDir = $_course['path'] . '/upload/announcements';
+            $courseDir = $_course['path'].'/upload/announcements';
             $sys_course_path = api_get_path(SYS_COURSE_PATH);
-            $updir = $sys_course_path . $courseDir;
+            $updir = $sys_course_path.$courseDir;
 
             // Try to add an extension to the file if it hasn't one
             $new_file_name = add_ext_on_mime(stripslashes($file['name']), $file['type']);
@@ -1333,13 +1333,13 @@ 
                 Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
             } else {
                 $new_file_name = uniqid('');
-                $new_path = $updir . '/' . $new_file_name;
+                $new_path = $updir.'/'.$new_file_name;
                 @move_uploaded_file($file['tmp_name'], $new_path);
                 $safe_file_comment = Database::escape_string($file_comment);
                 $safe_file_name = Database::escape_string($file_name);
                 $safe_new_file_name = Database::escape_string($new_file_name);
                 $id_attach = intval($id_attach);
-                $sql = "UPDATE $tbl_announcement_attachment SET filename = '$safe_file_name', comment = '$safe_file_comment', path = '$safe_new_file_name', size ='" . intval($file['size']) . "'
+                $sql = "UPDATE $tbl_announcement_attachment SET filename = '$safe_file_name', comment = '$safe_file_comment', path = '$safe_new_file_name', size ='".intval($file['size'])."'
 					 	WHERE c_id = $course_id AND id = '$id_attach'";
                 $result = Database::query($sql);
                 if ($result === false) {
@@ -1441,7 +1441,7 @@ 
 
             //if (!empty($user_id)) {
             if (0) {
-                if (is_array($group_memberships) && count($group_memberships) > 0 ) {
+                if (is_array($group_memberships) && count($group_memberships) > 0) {
                     $sql = "SELECT $select
                             FROM $tbl_announcement announcement, $tbl_item_property ip
                             WHERE
@@ -1652,8 +1652,8 @@ 
                 $attachment_list = AnnouncementManager::get_attachment($myrow['id']);
 
                 $attachment_icon = '';
-                if (count($attachment_list)>0) {
-                    $attachment_icon = ' '.Display::return_icon('attachment.gif',get_lang('Attachment'));
+                if (count($attachment_list) > 0) {
+                    $attachment_icon = ' '.Display::return_icon('attachment.gif', get_lang('Attachment'));
                 }
 
                 /* TITLE */
@@ -1672,16 +1672,16 @@ 
                     || (api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())
                 ) {
                     $modify_icons = "<a href=\"".$actionUrl."&action=modify&id=".$myrow['id']."\">".
-                        Display::return_icon('edit.png', get_lang('Edit'),'',ICON_SIZE_SMALL)."</a>";
-                    if ($myrow['visibility']==1) {
-                        $image_visibility="visible";
-                        $alt_visibility=get_lang('Hide');
+                        Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL)."</a>";
+                    if ($myrow['visibility'] == 1) {
+                        $image_visibility = "visible";
+                        $alt_visibility = get_lang('Hide');
                     } else {
-                        $image_visibility="invisible";
-                        $alt_visibility=get_lang('Visible');
+                        $image_visibility = "invisible";
+                        $alt_visibility = get_lang('Visible');
                     }
-                    $modify_icons .=  "<a href=\"".$actionUrl."&origin=".$origin."&action=showhide&id=".$myrow['id']."&sec_token=".$stok."\">".
-                        Display::return_icon($image_visibility.'.png', $alt_visibility,'',ICON_SIZE_SMALL)."</a>";
+                    $modify_icons .= "<a href=\"".$actionUrl."&origin=".$origin."&action=showhide&id=".$myrow['id']."&sec_token=".$stok."\">".
+                        Display::return_icon($image_visibility.'.png', $alt_visibility, '', ICON_SIZE_SMALL)."</a>";
 
                     // DISPLAY MOVE UP COMMAND only if it is not the top announcement
                     if ($iterator != 1) {
@@ -1696,12 +1696,12 @@ 
                     } else {
                         $modify_icons .= Display::return_icon('down_na.gif', get_lang('Down'));
                     }
-                    if (api_is_allowed_to_edit(false,true)) {
-                        $modify_icons .= "<a href=\"".$actionUrl."&action=delete&id=".$myrow['id']."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,api_get_system_encoding()))."')) return false;\">".
-                            Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).
+                    if (api_is_allowed_to_edit(false, true)) {
+                        $modify_icons .= "<a href=\"".$actionUrl."&action=delete&id=".$myrow['id']."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, api_get_system_encoding()))."')) return false;\">".
+                            Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).
                             "</a>";
                     }
-                    $iterator ++;
+                    $iterator++;
                 } else {
                     $modify_icons = Display::url(
                         Display::return_icon('default.png'),
@@ -1731,7 +1731,7 @@ 
     public static function getNumberAnnouncements()
     {
         // Maximum title messages to display
-        $maximum 	= '12';
+        $maximum = '12';
         // Database Table Definitions
         $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
         $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
@@ -1742,7 +1742,7 @@ 
         $userId = api_get_user_id();
         $condition_session = api_get_session_condition($session_id, true, true, 'announcement.session_id');
 
-        if (api_is_allowed_to_edit(false,true))  {
+        if (api_is_allowed_to_edit(false, true)) {
             // check teacher status
             if (empty($_GET['origin']) or $_GET['origin'] !== 'learnpath') {
 
@@ -1805,7 +1805,7 @@ 
                 }
 
                 // the user is member of several groups => display personal announcements AND his group announcements AND the general announcements
-                if (is_array($group_memberships) && count($group_memberships)>0) {
+                if (is_array($group_memberships) && count($group_memberships) > 0) {
                     $sql = "SELECT announcement.*, ip.visibility, ip.to_group_id, ip.insert_user_id
                     FROM $tbl_announcement announcement, $tbl_item_property ip
                     WHERE
@@ -1855,7 +1855,7 @@ 
                         }
 
                         // the user is not identiefied => show only the general announcements
-                        $sql="SELECT announcement.*, ip.visibility, ip.to_group_id, ip.insert_user_id
+                        $sql = "SELECT announcement.*, ip.visibility, ip.to_group_id, ip.insert_user_id
                                 FROM $tbl_announcement announcement, $tbl_item_property ip
                                 WHERE
                                     announcement.c_id = $course_id AND

main/inc/lib/course_home.lib.php

Doc Comments +3 added lines, -2 removed lines

@@ -213,7 +213,7 @@ 
     /**
      * Displays the tools of a certain category.
      *
-     * @return void
+     * @return string
      * @param string $course_tool_category	contains the category of tools to display:
      * "Public", "PublicButHide", "courseAdmin", "claroAdmin"
      */
@@ -650,7 +650,7 @@ 
      * @param array $all_tools_list List of tools as returned by get_tools_category()
      * @param bool  $rows
      *
-     * @return void
+     * @return string
      */
     public static function show_tools_category($all_tools_list, $rows = false)
     {
@@ -1194,6 +1194,7 @@ 
 
     /**
      * Show a toolbar with shortcuts to the course tool
+     * @param integer $orientation
      */
     public static function show_navigation_tool_shortcuts($orientation = SHORTCUTS_HORIZONTAL)
     {

Spacing +6 added lines, -6 removed lines

@@ -356,7 +356,7 @@ 
                         array(),
                         null,
                         ICON_SIZE_MEDIUM
-                    ) . '&nbsp;' . $tool_name . '</a>';
+                    ).'&nbsp;'.$tool_name.'</a>';
 
                 // This part displays the links to hide or remove a tool.
                 // These links are only visible by the course manager.
@@ -683,7 +683,7 @@ 
         $session_id = api_get_session_id();
         $is_platform_admin = api_is_platform_admin();
 
-        if ($session_id == 0 ) {
+        if ($session_id == 0) {
             $is_allowed_to_edit = api_is_allowed_to_edit(null, true) && api_is_course_admin();
         } else {
             $is_allowed_to_edit = api_is_allowed_to_edit(null, true) && !api_is_coach();
@@ -1061,8 +1061,8 @@ 
 
         $toolName = api_underscore_to_camel_case($toolName);
 
-        if (isset($GLOBALS['Tool' . $toolName])) {
-            return get_lang('Tool' . $toolName);
+        if (isset($GLOBALS['Tool'.$toolName])) {
+            return get_lang('Tool'.$toolName);
         }
 
         return $toolName;
@@ -1266,7 +1266,7 @@ 
             return array();
         }
 
-        $table  = Database::get_course_table(TABLE_TOOL_LIST);
+        $table = Database::get_course_table(TABLE_TOOL_LIST);
         $sql = "SELECT * FROM $table
                 WHERE category in ('authoring','interaction')
                 AND c_id = $courseId
@@ -1372,7 +1372,7 @@ 
             $temp = new Image($path);
             $r = $temp->convert2bw();
             $ext = pathinfo($path, PATHINFO_EXTENSION);
-            $bwPath = substr($path,0,-(strlen($ext)+1)) . '_na.' . $ext;
+            $bwPath = substr($path, 0, -(strlen($ext) + 1)).'_na.'.$ext;
 
             if ($r === false) {
                 error_log('Conversion to B&W of '.$path.' failed in '.__FILE__.' at line '.__LINE__);

main/inc/lib/diagnoser.lib.php

Doc Comments +6 added lines

@@ -351,6 +351,12 @@
 
     /**
      * Additional functions needed for fast integration
+     * @param integer $status
+     * @param string $section
+     * @param string $title
+     * @param string $url
+     * @param string|null $formatter
+     * @param string $comment
      */
     public function build_setting($status, $section, $title, $url, $current_value, $expected_value, $formatter, $comment, $img_path = null) {
         switch ($status) {

Spacing +22 added lines, -22 removed lines

@@ -15,7 +15,7 @@ 
 {
     const STATUS_OK = 1;
     const STATUS_WARNING = 2;
-    const STATUS_ERROR 	= 3;
+    const STATUS_ERROR = 3;
     const STATUS_INFORMATION = 4;
 
     /**
@@ -42,12 +42,12 @@ 
                 $html .= '<li>';
             }
             $params['section'] = $section;
-            $html .='<a href="system_status.php?section='.$section.'">'.get_lang($section).'</a></li>';
+            $html .= '<a href="system_status.php?section='.$section.'">'.get_lang($section).'</a></li>';
         }
 
         $html .= '</ul><div class="tab-pane">';
 
-        $data = call_user_func(array($this, 'get_' . $currentSection . '_data'));
+        $data = call_user_func(array($this, 'get_'.$currentSection.'_data'));
         echo $html;
 
         if ($currentSection != 'paths') {
@@ -114,11 +114,11 @@ 
     {
         $array = array();
         $writable_folders = array(
-            api_get_path(SYS_APP_PATH) .'cache',
+            api_get_path(SYS_APP_PATH).'cache',
             api_get_path(SYS_COURSE_PATH),
-            api_get_path(SYS_APP_PATH) .'home',
-            api_get_path(SYS_APP_PATH) .'upload/users/',
-            api_get_path(SYS_PATH) .'main/default_course_document/images/',
+            api_get_path(SYS_APP_PATH).'home',
+            api_get_path(SYS_APP_PATH).'upload/users/',
+            api_get_path(SYS_PATH).'main/default_course_document/images/',
         );
         foreach ($writable_folders as $index => $folder) {
             $writable = is_writable($folder);
@@ -137,10 +137,10 @@ 
 
         $exists = file_exists(api_get_path(SYS_CODE_PATH).'install');
         $status = $exists ? self :: STATUS_WARNING : self :: STATUS_OK;
-        $array[] = $this->build_setting($status, '[FILES]', get_lang('DirectoryExists') . ': /install', 'http://be2.php.net/file_exists', $exists, 0, 'yes_no', get_lang('DirectoryShouldBeRemoved'));
+        $array[] = $this->build_setting($status, '[FILES]', get_lang('DirectoryExists').': /install', 'http://be2.php.net/file_exists', $exists, 0, 'yes_no', get_lang('DirectoryShouldBeRemoved'));
 
         $app_version = api_get_setting('chamilo_database_version');
-        $array[] = $this->build_setting(self :: STATUS_INFORMATION, '[DB]', 'chamilo_database_version', '#', $app_version, 0, null,  'Chamilo DB version');
+        $array[] = $this->build_setting(self :: STATUS_INFORMATION, '[DB]', 'chamilo_database_version', '#', $app_version, 0, null, 'Chamilo DB version');
 
         $access_url_id = api_get_current_access_url_id();
 
@@ -152,7 +152,7 @@ 
                     $message2 .= get_lang('SpaceUsedOnSystemCannotBeMeasuredOnWindows');
                 } else {
                     $dir = api_get_path(SYS_PATH);
-                    $du = exec('du -sh ' . $dir, $err);
+                    $du = exec('du -sh '.$dir, $err);
                     list($size, $none) = explode("\t", $du);
                     $limit = $_configuration[$access_url_id]['hosting_limit_disk_space'];
                     $message2 .= sprintf(get_lang('TotalSpaceUsedByPortalXLimitIsYMB'), $size, $limit);
@@ -236,33 +236,33 @@ 
         $array[] = $this->build_setting($status, '[INI]', 'default_charset', 'http://www.php.net/manual/en/ini.core.php#ini.default-charset', $setting, $req_setting, null, get_lang('DefaultCharsetInfo'));
 
         $setting = ini_get('max_execution_time');
-        $req_setting = '300 (' . get_lang('Minimum') . ')';
+        $req_setting = '300 ('.get_lang('Minimum').')';
         $status = $setting >= 300 ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'max_execution_time', 'http://www.php.net/manual/en/ini.core.php#ini.max-execution-time', $setting, $req_setting, null, get_lang('MaxExecutionTimeInfo'));
 
         $setting = ini_get('max_input_time');
-        $req_setting = '300 (' . get_lang('Minimum') . ')';
+        $req_setting = '300 ('.get_lang('Minimum').')';
         $status = $setting >= 300 ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'max_input_time', 'http://www.php.net/manual/en/ini.core.php#ini.max-input-time', $setting, $req_setting, null, get_lang('MaxInputTimeInfo'));
 
         $setting = ini_get('memory_limit');
         $req_setting = '>= '.REQUIRED_MIN_MEMORY_LIMIT.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_MEMORY_LIMIT)
+        if ((float) $setting >= REQUIRED_MIN_MEMORY_LIMIT)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'memory_limit', 'http://www.php.net/manual/en/ini.core.php#ini.memory-limit', $setting, $req_setting, null, get_lang('MemoryLimitInfo'));
 
         $setting = ini_get('post_max_size');
         $req_setting = '>= '.REQUIRED_MIN_POST_MAX_SIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_POST_MAX_SIZE)
+        if ((float) $setting >= REQUIRED_MIN_POST_MAX_SIZE)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'post_max_size', 'http://www.php.net/manual/en/ini.core.php#ini.post-max-size', $setting, $req_setting, null, get_lang('PostMaxSizeInfo'));
 
         $setting = ini_get('upload_max_filesize');
         $req_setting = '>= '.REQUIRED_MIN_UPLOAD_MAX_FILESIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE)
+        if ((float) $setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'upload_max_filesize', 'http://www.php.net/manual/en/ini.core.php#ini.upload_max_filesize', $setting, $req_setting, null, get_lang('UploadMaxFilesizeInfo'));
 
@@ -276,7 +276,7 @@ 
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[SESSION]', 'session.gc_maxlifetime', 'http://www.php.net/manual/en/ini.core.php#session.gc-maxlifetime', $setting, $req_setting, null, get_lang('SessionGCMaxLifetimeInfo'));
 
-        if (api_check_browscap()){$setting = true;}else{$setting=false;}
+        if (api_check_browscap()) {$setting = true; } else {$setting = false; }
         $req_setting = true;
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'browscap', 'http://www.php.net/manual/en/misc.configuration.php#ini.browscap', $setting, $req_setting, 'on_off', get_lang('BrowscapInfo'));
@@ -332,7 +332,7 @@ 
 
             $loaded = extension_loaded($extension);
             $status = $loaded ? self :: STATUS_OK : self :: STATUS_ERROR;
-            $array[] = $this->build_setting($status, '[EXTENSION]', get_lang('LoadedExtension') . ': ' . $extension, $url, $loaded, $expected_value, 'yes_no_optional', $comment);
+            $array[] = $this->build_setting($status, '[EXTENSION]', get_lang('LoadedExtension').': '.$extension, $url, $loaded, $expected_value, 'yes_no_optional', $comment);
         }
 
         return $array;
@@ -455,9 +455,9 @@ 
         $formatted_expected_value = $expected_value;
 
         if ($formatter) {
-            if (method_exists($this, 'format_' . $formatter)) {
-                $formatted_current_value = call_user_func(array($this, 'format_' . $formatter), $current_value);
-                $formatted_expected_value = call_user_func(array($this, 'format_' . $formatter), $expected_value);
+            if (method_exists($this, 'format_'.$formatter)) {
+                $formatted_current_value = call_user_func(array($this, 'format_'.$formatter), $current_value);
+                $formatted_expected_value = call_user_func(array($this, 'format_'.$formatter), $expected_value);
             }
         }
 
@@ -472,13 +472,13 @@ 
      */
     public function get_link($title, $url)
     {
-        return '<a href="' . $url . '" target="about:bank">' . $title . '</a>';
+        return '<a href="'.$url.'" target="about:bank">'.$title.'</a>';
     }
 
     public function format_yes_no_optional($value)
     {
     	$return = '';
-    	switch($value) {
+    	switch ($value) {
      		case 0:
      			$return = get_lang('No');
      			break;

main/inc/lib/exercise.lib.php

Doc Comments +9 added lines, -6 removed lines

@@ -1255,6 +1255,7 @@ 
 
     /**
      * Validates the time control key
+     * @param integer $exercise_id
      */
     public static function exercise_time_control_is_valid(
         $exercise_id,
@@ -1388,7 +1389,7 @@ 
      * @param int $in_direction
      * @param string $in_hotpot_path
      * @param bool $in_get_count
-     * @param null $where_condition
+     * @param string $where_condition
      * @return array|int
      */
     public static function get_exam_results_hotpotatoes_data(
@@ -2179,7 +2180,7 @@ 
     /**
      * Return true if pass_pourcentage activated (we use the pass pourcentage feature
      * return false if pass_percentage = 0 (we don't use the pass pourcentage feature
-     * @param $in_pass_pourcentage
+     * @param string $in_pass_pourcentage
      * @return boolean
      * In this version, pass_percentage and show_success_message are disabled if
      * pass_percentage is set to 0
@@ -2192,7 +2193,7 @@ 
     /**
      * Converts a numeric value in a percentage example 0.66666 to 66.67 %
      * @param $value
-     * @return float Converted number
+     * @return string Converted number
      */
     public static function convert_to_percentage($value)
     {
@@ -2208,7 +2209,7 @@ 
      * @param   float $score
      * @param   float $weight
      * @deprecated seem not to be used
-     * @return  float   the score rounded converted to the new range
+     * @return  string|null   the score rounded converted to the new range
      */
     public static function convert_score($score, $weight)
     {
@@ -2759,6 +2760,7 @@ 
      * @param    int        exercise id
      * @param    int    $courseId
      * @param    int        session id
+     * @param integer $user_count
      * @return    float    Best average score
      */
     public static function get_best_average_score_by_exercise(
@@ -3198,8 +3200,9 @@ 
     }
 
     /**
-     * @param array $answer
+     * @param string|null $answer
      * @param string $user_answer
+     * @param string|null $current_answer
      * @return array
      */
     public static function check_fill_in_blanks($answer, $user_answer, $current_answer)
@@ -3805,7 +3808,7 @@ 
 
     /**
      * @param int $countLetter
-     * @return mixed
+     * @return string
      */
     public static function detectInputAppropriateClass($countLetter)
     {

Spacing +114 added lines, -114 removed lines

@@ -67,7 +67,7 @@ 
                 if ($show_title) {
                     TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
                     echo Display::div(
-                        $current_item . '. ' . $objQuestionTmp->selectTitle(),
+                        $current_item.'. '.$objQuestionTmp->selectTitle(),
                         array('class' => 'question_title')
                     );
                 }
@@ -112,7 +112,7 @@ 
                         <div class="clearfix">
                         <ul class="exercise-draggable-answer ui-helper-reset ui-helper-clearfix list-inline">';
                 } else {
-                    $s .= '<div id="drag' . $questionId . '_question" class="drag_question">
+                    $s .= '<div id="drag'.$questionId.'_question" class="drag_question">
                            <table class="data_table">';
                 }
 
@@ -159,12 +159,12 @@ 
             } elseif ($answerType == FREE_ANSWER) {
                 $fck_content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
 
-                $form = new FormValidator('free_choice_' . $questionId);
+                $form = new FormValidator('free_choice_'.$questionId);
                 $config = array(
                     'ToolbarSet' => 'TestFreeAnswer'
                 );
-                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
-                $form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
+                $form->addHtmlEditor("choice[".$questionId."]", null, false, false, $config);
+                $form->setDefaults(array("choice[".$questionId."]" => $fck_content));
                 $s .= $form->returnForm();
             } elseif ($answerType == ORAL_EXPRESSION) {
                 // Add nanog
@@ -191,11 +191,11 @@ 
                     echo $objQuestionTmp->returnRecorder();
                 }
 
-                $form = new FormValidator('free_choice_' . $questionId);
+                $form = new FormValidator('free_choice_'.$questionId);
                 $config = array(
                     'ToolbarSet' => 'TestFreeAnswer'
                 );
-                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
+                $form->addHtmlEditor("choice[".$questionId."]", null, false, false, $config);
                 //$form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
                 $s .= $form->returnForm();
             }
@@ -280,7 +280,7 @@ 
                     case UNIQUE_ANSWER_NO_OPTION:
                         //no break
                     case UNIQUE_ANSWER_IMAGE:
-                        $input_id = 'choice-' . $questionId . '-' . $answerId;
+                        $input_id = 'choice-'.$questionId.'-'.$answerId;
 
                         if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
                             $attributes = array(
@@ -306,14 +306,14 @@ 
                         if ($answerType == UNIQUE_ANSWER_IMAGE) {
                             if ($show_comment) {
                                 if (empty($comment)) {
-                                    $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                    $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                         . 'class="exercise-unique-answer-image" style="text-align: center">';
                                 } else {
-                                    $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                    $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                         . 'class="exercise-unique-answer-image col-xs-6 col-sm-12" style="text-align: center">';
                                 }
                             } else {
-                                $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                     . 'class="exercise-unique-answer-image col-xs-6 col-md-3" style="text-align: center">';
                             }
                         }
@@ -321,7 +321,7 @@ 
                         $answer = Security::remove_XSS($answer, STUDENT);
                         $s .= Display::input(
                             'hidden',
-                            'choice2[' . $questionId . ']',
+                            'choice2['.$questionId.']',
                             '0'
                         );
 
@@ -329,13 +329,13 @@ 
 
                         if ($answerType == UNIQUE_ANSWER_IMAGE) {
                             $attributes['style'] = 'display: none;';
-                            $answer = '<div class="thumbnail">' . $answer . '</div>';
+                            $answer = '<div class="thumbnail">'.$answer.'</div>';
                         }
 
                         $answer_input .= '<label class="radio">';
                         $answer_input .= Display::input(
                             'radio',
-                            'choice[' . $questionId . ']',
+                            'choice['.$questionId.']',
                             $numAnswer,
                             $attributes
                         );
@@ -362,7 +362,7 @@ 
                     case MULTIPLE_ANSWER_TRUE_FALSE:
                         //no break
                     case GLOBAL_MULTIPLE_ANSWER:
-                        $input_id = 'choice-' . $questionId . '-' . $answerId;
+                        $input_id = 'choice-'.$questionId.'-'.$answerId;
                         $answer = Security::remove_XSS($answer, STUDENT);
 
                         if (in_array($numAnswer, $user_choice_array)) {
@@ -383,12 +383,12 @@ 
                         }
 
                         if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
-                            $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                            $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 
                             $answer_input = '<label class="checkbox">';
                             $answer_input .= Display::input(
                                 'checkbox',
-                                'choice[' . $questionId . '][' . $numAnswer . ']',
+                                'choice['.$questionId.']['.$numAnswer.']',
                                 $numAnswer,
                                 $attributes
                             );
@@ -441,7 +441,7 @@ 
                                         'td',
                                         Display::input(
                                             'radio',
-                                            'choice[' . $questionId . '][' . $numAnswer . ']',
+                                            'choice['.$questionId.']['.$numAnswer.']',
                                             $id,
                                             $attributes
                                         ),
@@ -460,7 +460,7 @@ 
                         break;
                     case MULTIPLE_ANSWER_COMBINATION:
                         // multiple answers
-                        $input_id = 'choice-' . $questionId . '-' . $answerId;
+                        $input_id = 'choice-'.$questionId.'-'.$answerId;
 
                         if (in_array($numAnswer, $user_choice_array)) {
                             $attributes = array(
@@ -480,11 +480,11 @@ 
                         }
 
                         $answer = Security::remove_XSS($answer, STUDENT);
-                        $answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                        $answer_input = '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
                         $answer_input .= '<label class="checkbox">';
                         $answer_input .= Display::input(
                             'checkbox',
-                            'choice[' . $questionId . '][' . $numAnswer . ']',
+                            'choice['.$questionId.']['.$numAnswer.']',
                             1,
                             $attributes
                         );
@@ -505,7 +505,7 @@ 
                         }
                         break;
                     case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
-                        $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                        $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 
                         $my_choice = array();
                         if (!empty($user_choice_array)) {
@@ -540,7 +540,7 @@ 
                                 'td',
                                 Display::input(
                                     'radio',
-                                    'choice[' . $questionId . '][' . $numAnswer . ']',
+                                    'choice['.$questionId.']['.$numAnswer.']',
                                     $key,
                                     $attributes
                                 )
@@ -597,7 +597,7 @@ 
                                     // may be "" if student viewed the question, but did not fill the blanks
                                     $correctItem = $studentAnswerList[$i];
                                 }
-                                $attributes["style"] = "width:" . $listAnswerInformations["tabinputsize"][$i] . "px";
+                                $attributes["style"] = "width:".$listAnswerInformations["tabinputsize"][$i]."px";
                                 $answer .= FillBlanks::getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, $correctItem, $attributes, $answer, $listAnswerInformations, $displayForStudent, $i);
                             }
                             // display the last common word
@@ -611,7 +611,7 @@ 
                                 // display the common words
                                 $answer .= $listAnswerInformations["commonwords"][$i];
                                 // display the blank word
-                                $attributes["style"] = "width:" . $listAnswerInformations["tabinputsize"][$i] . "px";
+                                $attributes["style"] = "width:".$listAnswerInformations["tabinputsize"][$i]."px";
                                 $correctItem = $listAnswerInformations["tabwords"][$i];
                                 $correctItemRegexp = $correctItem;
                                 // replace / with \/ to allow the preg_replace bellow and all the regexp char
@@ -637,8 +637,8 @@ 
                             $trackAttempts = Database::get_main_table(
                                 TABLE_STATISTIC_TRACK_E_ATTEMPT
                             );
-                            $sql = 'SELECT answer FROM ' . $trackAttempts . '
-                                WHERE exe_id=' . $exe_id . ' AND question_id=' . $questionId;
+                            $sql = 'SELECT answer FROM '.$trackAttempts.'
+                                WHERE exe_id=' . $exe_id.' AND question_id='.$questionId;
                             $rsLastAttempt = Database::query($sql);
                             $rowLastAttempt = Database::fetch_array($rsLastAttempt);
                             $answer = $rowLastAttempt['answer'];
@@ -695,7 +695,7 @@ 
                                     '',
                                     $answerCorrected
                                 );
-                                $answerCorrected = '[' . $answerCorrected . ']';
+                                $answerCorrected = '['.$answerCorrected.']';
                                 $studentAnswerList[] = $answerCorrected;
                             }
                         }
@@ -716,7 +716,7 @@ 
                         */
                         $tabComments = api_preg_split(
                             '/\[[^]]+\]/',
-                            ' ' . $answer . ' '
+                            ' '.$answer.' '
                         );
                         if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                             $answer = "";
@@ -733,7 +733,7 @@ 
                                     $size
                                 );
 
-                                $answer .= $tabComments[$i] .
+                                $answer .= $tabComments[$i].
                                     Display::input(
                                         'text',
                                         "choice[$questionId][]",
@@ -780,12 +780,12 @@ 
                             $s .= '<tr><td width="45%" valign="top">';
                             $parsed_answer = $answer;
                             //left part questions
-                            $s .= '<p class="indent">' . $lines_count . '.&nbsp;' . $parsed_answer . '</p></td>';
+                            $s .= '<p class="indent">'.$lines_count.'.&nbsp;'.$parsed_answer.'</p></td>';
                             //middle part (matches selects)
 
                             $s .= '<td width="10%" valign="top" align="center" >
                                 <div class="select-matching">
-                                <select name="choice[' . $questionId . '][' . $numAnswer . ']">';
+                                <select name="choice[' . $questionId.']['.$numAnswer.']">';
 
                             // fills the list-box
                             foreach ($select_items as $key => $val) {
@@ -801,14 +801,14 @@ 
                                 if (isset($user_choice_array_position[$numAnswer]) && $val['id'] == $user_choice_array_position[$numAnswer]) {
                                     $selected = 'selected="selected"';
                                 }
-                                $s .= '<option value="' . $val['id'] . '" ' . $selected . '>' . $val['letter'] . '</option>';
+                                $s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
 
                             }  // end foreach()
 
                             $s .= '</select></div></td><td width="5%" class="separate">&nbsp;</td>';
                             $s .= '<td width="40%" valign="top" >';
                             if (isset($select_items[$lines_count])) {
-                                $s .= '<div class="text-right"><p class="indent">' . $select_items[$lines_count]['letter'] . '.&nbsp; ' . $select_items[$lines_count]['answer'] . '</p></div>';
+                                $s .= '<div class="text-right"><p class="indent">'.$select_items[$lines_count]['letter'].'.&nbsp; '.$select_items[$lines_count]['answer'].'</p></div>';
                             } else {
                                 $s .= '&nbsp;';
                             }
@@ -823,7 +823,7 @@ 
                                     $s .= '<tr>
                                       <td colspan="2"></td>
                                       <td valign="top">';
-                                    $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'];
+                                    $s .= '<b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'];
                                     $s .= "</td>
                                 </tr>";
                                     $lines_count++;
@@ -840,9 +840,9 @@ 
                             $data = $objAnswerTmp->getAnswerByAutoId($data['correct']);
                             $lines_count = $data['answer'];*/
 
-                            $windowId = $questionId . '_' . $lines_count;
+                            $windowId = $questionId.'_'.$lines_count;
 
-                            $s .= '<li class="touch-items" id="' . $windowId . '">';
+                            $s .= '<li class="touch-items" id="'.$windowId.'">';
                             $s .= Display::div(
                                 $parsed_answer,
                                 [
@@ -900,7 +900,7 @@ 
                                     Display::tag(
                                         'b',
                                         $select_items[$lines_count]['letter']
-                                    ) . $select_items[$lines_count]['answer'],
+                                    ).$select_items[$lines_count]['answer'],
                                     [
                                         'id' => "window_{$windowId}_answer",
                                         'style' => 'display: none;'
@@ -1071,7 +1071,7 @@ 
 
                 for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                     $answerCorrect = $objAnswerTmp->isCorrect($answerId);
-                    $windowId = $questionId . '_' . $counterAnswer;
+                    $windowId = $questionId.'_'.$counterAnswer;
 
                     if ($answerCorrect) {
                         $s .= Display::div(
@@ -1120,7 +1120,7 @@ 
                 $course = api_get_course_info();
                 $doc_id = DocumentManager::get_document_id(
                     $course,
-                    '/images/' . $pictureName
+                    '/images/'.$pictureName
                 );
                 if (is_numeric($doc_id)) {
                     $images_folder_visibility = api_get_item_visibility(
@@ -1145,7 +1145,7 @@ 
                 echo "
                     <script>
                         $(document).on('ready', function () {
-                            new " . ($answerType == HOT_SPOT ? "HotspotQuestion" : "DelineationQuestion") . "({
+                            new " . ($answerType == HOT_SPOT ? "HotspotQuestion" : "DelineationQuestion")."({
                                 questionId: $questionId,
                                 exerciseId: $exerciseId,
                                 selector: '#hotspot-preview-$questionId',
@@ -1179,7 +1179,7 @@ 
             if ($answerType != HOT_SPOT_DELINEATION) {
                 $answerList = '
                     <div class="well well-sm">
-                        <h5 class="page-header">' . get_lang('HotspotZones') . '</h5>
+                        <h5 class="page-header">' . get_lang('HotspotZones').'</h5>
                         <ol>
                 ';
 
@@ -1204,7 +1204,7 @@ 
             if (!$only_questions) {
                 if ($show_title) {
                     TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
-                    echo '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
+                    echo '<div class="question_title">'.$current_item.'. '.$questionName.'</div>';
                 }
                 //@todo I need to the get the feedback type
                 echo <<<HOTSPOT
@@ -1221,7 +1221,7 @@ 
                                 <div class=\"hotspot-image\"></div>
                                 <script>
                                     $(document).on('ready', function () {
-                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion') . "({
+                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion')."({
                                             questionId: $questionId,
                                             exerciseId: $exe_id,
                                             selector: '#question_div_' + $questionId + ' .hotspot-image',
@@ -1342,11 +1342,11 @@ 
         $lp_id = intval($lp_id);
         $lp_item_id = intval($lp_item_id);
         return
-            api_get_course_int_id() . '_' .
-            api_get_session_id() . '_' .
-            $exercise_id . '_' .
-            api_get_user_id() . '_' .
-            $lp_id . '_' .
+            api_get_course_int_id().'_'.
+            api_get_session_id().'_'.
+            $exercise_id.'_'.
+            api_get_user_id().'_'.
+            $lp_id.'_'.
             $lp_item_id;
     }
 
@@ -1460,14 +1460,14 @@ 
         $res = Database::query($sql);
         $result = array();
         $apiIsAllowedToEdit = api_is_allowed_to_edit();
-        $urlBase = api_get_path(WEB_CODE_PATH) .
-            'exercise/hotpotatoes_exercise_report.php?action=delete&' .
-            api_get_cidreq() . '&id=';
+        $urlBase = api_get_path(WEB_CODE_PATH).
+            'exercise/hotpotatoes_exercise_report.php?action=delete&'.
+            api_get_cidreq().'&id=';
         while ($data = Database::fetch_array($res)) {
             $actions = null;
 
             if ($apiIsAllowedToEdit) {
-                $url = $urlBase . $data['id'] . '&path=' . $data['exe_name'];
+                $url = $urlBase.$data['id'].'&path='.$data['exe_name'];
                 $actions = Display::url(
                     Display::return_icon('delete.png', get_lang('Delete')),
                     $url
@@ -1483,7 +1483,7 @@ 
                     GroupManager::get_user_group_name($data['user_id'])
                 ),
                 'exe_date' => $data['exe_date'],
-                'score' => $data['exe_result'] . ' / ' . $data['exe_weighting'],
+                'score' => $data['exe_result'].' / '.$data['exe_weighting'],
                 'actions' => $actions,
             );
         }
@@ -1568,18 +1568,18 @@ 
         $TBL_TRACK_HOTPOTATOES = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
         $TBL_TRACK_ATTEMPT_RECORDING = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
 
-        $session_id_and = ' AND te.session_id = ' . $sessionId . ' ';
+        $session_id_and = ' AND te.session_id = '.$sessionId.' ';
         $exercise_id = intval($exercise_id);
 
         $exercise_where = '';
         if (!empty($exercise_id)) {
-            $exercise_where .= ' AND te.exe_exo_id = ' . $exercise_id . '  ';
+            $exercise_where .= ' AND te.exe_exo_id = '.$exercise_id.'  ';
         }
 
         $hotpotatoe_where = '';
         if (!empty($_GET['path'])) {
             $hotpotatoe_path = Database::escape_string($_GET['path']);
-            $hotpotatoe_where .= ' AND exe_name = "' . $hotpotatoe_path . '"  ';
+            $hotpotatoe_where .= ' AND exe_name = "'.$hotpotatoe_path.'"  ';
         }
 
         // sql for chamilo-type tests for teacher / tutor view
@@ -1591,7 +1591,7 @@ 
             WHERE
                 c_id = $course_id AND
                 exe_exo_id = $exercise_id AND
-                ttte.session_id = " . $sessionId . "
+                ttte.session_id = ".$sessionId."
         )";
 
         if ($is_allowedToEdit) {
@@ -1614,9 +1614,9 @@ 
                         g.id as group_id
                     FROM $TBL_USER u
                     INNER JOIN $TBL_GROUP_REL_USER gru
-                    ON (gru.user_id = u.user_id AND gru.c_id=" . $course_id . ")
+                    ON (gru.user_id = u.user_id AND gru.c_id=".$course_id.")
                     INNER JOIN $TBL_GROUP g
-                    ON (gru.group_id = g.id AND g.c_id=" . $course_id . ")
+                    ON (gru.group_id = g.id AND g.c_id=".$course_id.")
                 )";
             }
 
@@ -1678,9 +1678,9 @@ 
                     g.id as group_id
                 FROM $TBL_USER u
                 LEFT OUTER JOIN $TBL_GROUP_REL_USER gru
-                ON ( gru.user_id = u.user_id AND gru.c_id=" . $course_id . " )
+                ON ( gru.user_id = u.user_id AND gru.c_id=".$course_id." )
                 LEFT OUTER JOIN $TBL_GROUP g
-                ON (gru.group_id = g.id AND g.c_id = " . $course_id . ")
+                ON (gru.group_id = g.id AND g.c_id = ".$course_id.")
             )";
             }
 
@@ -1693,12 +1693,12 @@ 
             (
                 SELECT u.user_id, firstname, lastname, email, username, ' ' as group_name, '' as group_id, official_code
                 FROM $TBL_USER u
-                WHERE u.status NOT IN(" . api_get_users_status_ignored_in_reports('string') . ")
+                WHERE u.status NOT IN(".api_get_users_status_ignored_in_reports('string').")
             )";
             }
 
             $sqlFromOption = " , $TBL_GROUP_REL_USER AS gru ";
-            $sqlWhereOption = "  AND gru.c_id = " . $course_id . " AND gru.user_id = user.user_id ";
+            $sqlWhereOption = "  AND gru.c_id = ".$course_id." AND gru.user_id = user.user_id ";
             $first_and_last_name = api_is_western_name_order() ? "firstname, lastname" : "lastname, firstname";
 
             if ($get_count) {
@@ -1735,8 +1735,8 @@ 
                 ON (user.user_id = exe_user_id)
                 WHERE
                     te.status != 'incomplete' AND
-                    te.c_id = " . $course_id . " $session_id_and AND
-                    ce.active <>-1 AND ce.c_id = " . $course_id . "
+                    te.c_id = ".$course_id." $session_id_and AND
+                    ce.active <>-1 AND ce.c_id = ".$course_id."
                     $exercise_where
                     $extra_where_conditions
                 ";
@@ -1763,12 +1763,12 @@ 
                     $sqlFromOption
                 WHERE
                     user.user_id=tth.exe_user_id
-                    AND tth.c_id = " . $course_id . "
+                    AND tth.c_id = ".$course_id."
                     $hotpotatoe_where
                     $sqlWhereOption
-                    AND user.status NOT IN(" . api_get_users_status_ignored_in_reports(
+                    AND user.status NOT IN(".api_get_users_status_ignored_in_reports(
                     'string'
-                ) . ")
+                ).")
                 ORDER BY
                     tth.c_id ASC,
                     tth.exe_date DESC";
@@ -1841,12 +1841,12 @@ 
 
                     if ($from_gradebook && ($is_allowedToEdit)) {
                         if (in_array(
-                            $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'],
+                            $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'],
                             $users_array_id
                         )) {
                             continue;
                         }
-                        $users_array_id[] = $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'];
+                        $users_array_id[] = $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'];
                     }
 
                     $lp_obj = isset($results[$i]['orig_lp_id']) && isset($lp_list[$results[$i]['orig_lp_id']]) ? $lp_list[$results[$i]['orig_lp_id']] : null;
@@ -1855,7 +1855,7 @@ 
                     if ($lp_obj) {
                         $url = api_get_path(
                                 WEB_CODE_PATH
-                            ) . 'lp/lp_controller.php?' . api_get_cidreq() . '&action=view&lp_id=' . $results[$i]['orig_lp_id'];
+                            ).'lp/lp_controller.php?'.api_get_cidreq().'&action=view&lp_id='.$results[$i]['orig_lp_id'];
                         $lp_name = Display::url(
                             $lp_obj['lp_name'],
                             $url,
@@ -1873,7 +1873,7 @@ 
                         );
 
                         foreach ($group_list as $id) {
-                            $group_name_list .= $clean_group_list[$id] . '<br/>';
+                            $group_name_list .= $clean_group_list[$id].'<br/>';
                         }
                         $results[$i]['group_name'] = $group_name_list;
                     }
@@ -1929,7 +1929,7 @@ 
                                 }
                             }
                             if ($revised) {
-                                $actions .= "<a href='exercise_show.php?" . api_get_cidreq() . "&action=edit&id=$id'>" .
+                                $actions .= "<a href='exercise_show.php?".api_get_cidreq()."&action=edit&id=$id'>".
                                     Display:: return_icon(
                                         'edit.png',
                                         get_lang('Edit'),
@@ -1938,7 +1938,7 @@ 
                                     );
                                 $actions .= '&nbsp;';
                             } else {
-                                $actions .= "<a href='exercise_show.php?" . api_get_cidreq() . "&action=qualify&id=$id'>" .
+                                $actions .= "<a href='exercise_show.php?".api_get_cidreq()."&action=qualify&id=$id'>".
                                     Display:: return_icon(
                                         'quiz.gif',
                                         get_lang('Qualify')
@@ -1948,11 +1948,11 @@ 
                             $actions .= "</a>";
 
                             if ($filter == 2) {
-                                $actions .= ' <a href="exercise_history.php?' . api_get_cidreq() . '&exe_id=' . $id . '">' .
+                                $actions .= ' <a href="exercise_history.php?'.api_get_cidreq().'&exe_id='.$id.'">'.
                                     Display:: return_icon(
                                         'history.gif',
                                         get_lang('ViewHistoryChange')
-                                    ) . '</a>';
+                                    ).'</a>';
                             }
 
                             //Admin can always delete the attempt
@@ -1963,31 +1963,31 @@ 
                                     date('Y-m-d h:i:s'),
                                     false
                                 );
-                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip=' . $ip . '" target="_blank">
-                                ' . Display::return_icon('info.png', $ip) . '
+                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip='.$ip.'" target="_blank">
+                                ' . Display::return_icon('info.png', $ip).'
                                 </a>';
 
-                                $delete_link = '<a href="exercise_report.php?' . api_get_cidreq() . '&filter_by_user=' . intval($_GET['filter_by_user']) . '&filter=' . $filter . '&exerciseId=' . $exercise_id . '&delete=delete&did=' . $id . '"
+                                $delete_link = '<a href="exercise_report.php?'.api_get_cidreq().'&filter_by_user='.intval($_GET['filter_by_user']).'&filter='.$filter.'&exerciseId='.$exercise_id.'&delete=delete&did='.$id.'"
                                 onclick="javascript:if(!confirm(\'' . sprintf(
                                         get_lang('DeleteAttempt'),
                                         $results[$i]['username'],
                                         $dt
-                                    ) . '\')) return false;">' . Display:: return_icon(
+                                    ).'\')) return false;">'.Display:: return_icon(
                                         'delete.png',
                                         get_lang('Delete')
-                                    ) . '</a>';
+                                    ).'</a>';
                                 $delete_link = utf8_encode($delete_link);
 
                                 if (api_is_drh() && !api_is_platform_admin()) {
                                     $delete_link = null;
                                 }
-                                $actions .= $delete_link . '&nbsp;';
+                                $actions .= $delete_link.'&nbsp;';
                             }
 
                         } else {
                             $attempt_url = api_get_path(
                                     WEB_CODE_PATH
-                                ) . 'exercise/result.php?' . api_get_cidreq() . '&id=' . $results[$i]['exe_id'] . '&id_session=' . $sessionId;
+                                ).'exercise/result.php?'.api_get_cidreq().'&id='.$results[$i]['exe_id'].'&id_session='.$sessionId;
                             $attempt_link = Display::url(
                                 get_lang('Show'),
                                 $attempt_url,
@@ -2044,7 +2044,7 @@ 
                     $hp_result = round(
                             ($hpresults[$i][4] / ($hpresults[$i][5] != 0 ? $hpresults[$i][5] : 1)) * 100,
                             2
-                        ) . '% (' . $hpresults[$i][4] . ' / ' . $hpresults[$i][5] . ')';
+                        ).'% ('.$hpresults[$i][4].' / '.$hpresults[$i][5].')';
                     if ($is_allowedToEdit) {
                         $list_info[] = array(
                             $hpresults[$i][0],
@@ -2118,13 +2118,13 @@ 
 
         $html = null;
         if ($show_percentage) {
-            $parent = '(' . $score . ' / ' . $weight . ')';
-            $html = $percentage . "%  $parent";
+            $parent = '('.$score.' / '.$weight.')';
+            $html = $percentage."%  $parent";
             if ($show_only_percentage) {
-                $html = $percentage . "% ";
+                $html = $percentage."% ";
             }
         } else {
-            $html = $score . ' / ' . $weight;
+            $html = $score.' / '.$weight;
         }
         $html = Display::span($html, array('class' => 'score_exercise'));
 
@@ -2218,7 +2218,7 @@ 
     {
         $return = '-';
         if ($value != '') {
-            $return = float_format($value * 100, 1) . ' %';
+            $return = float_format($value * 100, 1).' %';
         }
         return $return;
     }
@@ -2297,7 +2297,7 @@ 
         }
 
         $needle_where = !empty($search) ? " AND title LIKE '?' " : '';
-        $needle = !empty($search) ? "%" . $search . "%" : '';
+        $needle = !empty($search) ? "%".$search."%" : '';
 
         // Show courses by active status
         $active_sql = '';
@@ -2312,7 +2312,7 @@ 
         if ($search_all_sessions == true) {
             $conditions = array(
                 'where' => array(
-                    $active_sql . ' c_id = ? ' . $needle_where . $time_conditions => array(
+                    $active_sql.' c_id = ? '.$needle_where.$time_conditions => array(
                         $course_id,
                         $needle
                     )
@@ -2323,7 +2323,7 @@ 
             if ($session_id == 0) {
                 $conditions = array(
                     'where' => array(
-                        $active_sql . ' session_id = ? AND c_id = ? ' . $needle_where . $time_conditions => array(
+                        $active_sql.' session_id = ? AND c_id = ? '.$needle_where.$time_conditions => array(
                             $session_id,
                             $course_id,
                             $needle
@@ -2334,7 +2334,7 @@ 
             } else {
                 $conditions = array(
                     'where' => array(
-                        $active_sql . ' (session_id = 0 OR session_id = ? ) AND c_id = ? ' . $needle_where . $time_conditions => array(
+                        $active_sql.' (session_id = 0 OR session_id = ? ) AND c_id = ? '.$needle_where.$time_conditions => array(
                             $session_id,
                             $course_id,
                             $needle
@@ -2515,7 +2515,7 @@ 
 
             if ($return_string) {
                 if (!empty($position) && !empty($my_ranking)) {
-                    $return_value = $position . '/' . count($my_ranking);
+                    $return_value = $position.'/'.count($my_ranking);
                 } else {
                     $return_value = '-';
                 }
@@ -2596,7 +2596,7 @@ 
 
             if ($return_string) {
                 if (!empty($position) && !empty($my_ranking)) {
-                    return $position . '/' . count($my_ranking);
+                    return $position.'/'.count($my_ranking);
                 }
             }
             return $return_value;
@@ -3001,7 +3001,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3077,7 +3077,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3170,7 +3170,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3352,7 +3352,7 @@ 
                 }
             }
             // adds the correct word, followed by ] to close the blank
-            $answer .= ' / <font color="green"><b>' . $real_correct_tags[$i] . '</b></font>]';
+            $answer .= ' / <font color="green"><b>'.$real_correct_tags[$i].'</b></font>]';
             if (isset ($real_text[$i + 1])) {
                 $answer .= $real_text[$i + 1];
             }
@@ -3412,13 +3412,13 @@ 
         // check the default value of option
         $tabSelected = array($in_default => " selected='selected' ");
         $res = "";
-        $res .= "<select name='$in_name' id='$in_name' onchange='" . $in_onchange . "' >";
-        $res .= "<option value='-1'" . $tabSelected["-1"] . ">-- " . get_lang(
+        $res .= "<select name='$in_name' id='$in_name' onchange='".$in_onchange."' >";
+        $res .= "<option value='-1'".$tabSelected["-1"].">-- ".get_lang(
                 'AllGroups'
-            ) . " --</option>";
-        $res .= "<option value='0'" . $tabSelected["0"] . ">- " . get_lang(
+            )." --</option>";
+        $res .= "<option value='0'".$tabSelected["0"].">- ".get_lang(
                 'NotInAGroup'
-            ) . " -</option>";
+            )." -</option>";
         $tabGroups = GroupManager::get_group_list();
         $currentCatId = 0;
         for ($i = 0; $i < count($tabGroups); $i++) {
@@ -3426,10 +3426,10 @@ 
                 $tabGroups[$i]["id"]
             );
             if ($tabCategory["id"] != $currentCatId) {
-                $res .= "<option value='-1' disabled='disabled'>" . $tabCategory["title"] . "</option>";
+                $res .= "<option value='-1' disabled='disabled'>".$tabCategory["title"]."</option>";
                 $currentCatId = $tabCategory["id"];
             }
-            $res .= "<option " . $tabSelected[$tabGroups[$i]["id"]] . "style='margin-left:40px' value='" . $tabGroups[$i]["id"] . "'>" . $tabGroups[$i]["name"] . "</option>";
+            $res .= "<option ".$tabSelected[$tabGroups[$i]["id"]]."style='margin-left:40px' value='".$tabGroups[$i]["id"]."'>".$tabGroups[$i]["name"]."</option>";
         }
         $res .= "</select>";
         return $res;
@@ -3664,14 +3664,14 @@ 
                 if ($show_results) {
                     $comnt = Event::get_comments($exe_id, $questionId);
                     if (!empty($comnt)) {
-                        echo '<b>' . get_lang('Feedback') . '</b>';
-                        echo '<div id="question_feedback">' . $comnt . '</div>';
+                        echo '<b>'.get_lang('Feedback').'</b>';
+                        echo '<div id="question_feedback">'.$comnt.'</div>';
                     }
                 }
 
                 if ($show_results) {
                     $score = array(
-                        'result' => get_lang('Score') . " : " . self::show_score(
+                        'result' => get_lang('Score')." : ".self::show_score(
                                 $my_total_score,
                                 $my_total_weight,
                                 false,
@@ -3739,9 +3739,9 @@ 
         }
 
         if ($show_all_but_expected_answer) {
-            $exercise_content .= "<div class='normal-message'>" . get_lang(
+            $exercise_content .= "<div class='normal-message'>".get_lang(
                     "ExerciseWithFeedbackWithoutCorrectionComment"
-                ) . "</div>";
+                )."</div>";
         }
         // Remove audio auto play from questions on results page - refs BT#7939
         $exercise_content = preg_replace(
@@ -3841,11 +3841,11 @@ 
                     $ribbon_total_success_or_error = ' ribbon-total-error';
                 }
             }
-            $ribbon .= '<div class="total ' . $ribbon_total_success_or_error . '">';
+            $ribbon .= '<div class="total '.$ribbon_total_success_or_error.'">';
         } else {
             $ribbon .= '<div class="total">';
         }
-        $ribbon .= '<h3>' . get_lang('YourTotalScore') . ":&nbsp;";
+        $ribbon .= '<h3>'.get_lang('YourTotalScore').":&nbsp;";
         $ribbon .= self::show_score($score, $weight, false, true);
         $ribbon .= '</h3>';
         $ribbon .= '</div>';

main/inc/lib/formvalidator/Rule/MaxFileSize.php

Doc Comments -1 removed lines

@@ -9,7 +9,6 @@
 {
 	/**
 	 * @param $value array     Uploaded file info (from $_FILES)
-	 * @param null $options
 	 * @return bool
 	 */
 	public function validate($elementValue, $maxSize)

main/inc/lib/formvalidator/Rule/MobilePhoneNumber.php

Doc Comments +1 added lines, -1 removed lines

@@ -16,7 +16,7 @@
      *
      * @param string Mobile phone number to be validated
      * @param string Not using it. Just to respect the declaration
-     * @return boolean Returns true if valid, false otherwise.
+     * @return integer Returns true if valid, false otherwise.
      */
     function validate($mobilePhoneNumber, $options = null)
     {