chamilo / chamilo-lms

main/coursecopy/classes/QuizQuestion.class.php

Doc Comments +3 added lines

@@ -115,6 +115,9 @@
         $this->answers[] = $answer;
     }
 
+    /**
+     * @param QuizQuestionOption $option_obj
+     */
     public function add_option($option_obj)
     {
         $this->question_options[$option_obj->obj->id] = $option_obj;

main/coursecopy/classes/Resource.class.php

Doc Comments +1 added lines, -1 removed lines

@@ -128,7 +128,7 @@
 
     /**
      * Resturns the type of this resource
-     * @return constant The type.
+     * @return integer The type.
      */
     public function get_type()
     {

main/coursecopy/copy_course_session_selected.php

Doc Comments +3 added lines

@@ -65,6 +65,9 @@
 
 /* FUNCTIONS */
 
+/**
+ * @param string $name
+ */
 function make_select_session_list($name, $sessions, $attr = array())
 {
 

Spacing +40 added lines, -40 removed lines

@@ -48,7 +48,7 @@ 
 $nameTools = get_lang('CopyCourse');
 $returnLink = api_get_path(
         WEB_CODE_PATH
-    ) . 'course_info/maintenance_coach.php?' . api_get_cidreq();
+    ).'course_info/maintenance_coach.php?'.api_get_cidreq();
 $interbreadcrumb[] = array(
     'url' => $returnLink,
     'name' => get_lang('Maintenance')
@@ -71,29 +71,29 @@ 
     $attrs = '';
     if (count($attr) > 0) {
         foreach ($attr as $key => $value) {
-            $attrs .= ' ' . $key . '="' . $value . '"';
+            $attrs .= ' '.$key.'="'.$value.'"';
         }
     }
-    $output = '<select name="' . $name . '" ' . $attrs . '>';
+    $output = '<select name="'.$name.'" '.$attrs.'>';
 
     if (count($sessions) == 0) {
-        $output .= '<option value = "0">' . get_lang(
+        $output .= '<option value = "0">'.get_lang(
                 'ThereIsNotStillASession'
-            ) . '</option>';
+            ).'</option>';
     } else {
-        $output .= '<option value = "0">' . get_lang(
+        $output .= '<option value = "0">'.get_lang(
                 'SelectASession'
-            ) . '</option>';
+            ).'</option>';
     }
 
     if (is_array($sessions)) {
         foreach ($sessions as $session) {
             $category_name = '';
             if (!empty($session['category_name'])) {
-                $category_name = ' (' . $session['category_name'] . ')';
+                $category_name = ' ('.$session['category_name'].')';
             }
 
-            $output .= '<option value="' . $session['id'] . '">' . $session['name'] . ' ' . $category_name . '</option>';
+            $output .= '<option value="'.$session['id'].'">'.$session['name'].' '.$category_name.'</option>';
         }
     }
     $output .= '</select>';
@@ -118,43 +118,43 @@ 
     // Actions
     $html .= '<div class="actions">';
     // Link back to the documents overview
-    $html .= '<a href="' . $returnLink . '">' . Display::return_icon(
-            'back.png', get_lang('BackTo') . ' ' . get_lang('Maintenance'), '', ICON_SIZE_MEDIUM
-        ) . '</a>';
+    $html .= '<a href="'.$returnLink.'">'.Display::return_icon(
+            'back.png', get_lang('BackTo').' '.get_lang('Maintenance'), '', ICON_SIZE_MEDIUM
+        ).'</a>';
     $html .= '</div>';
 
     $html .= Display::return_message(
             get_lang('CopyCourseFromSessionToSessionExplanation')
     );
 
-    $html .= '<form name="formulaire" method="post" action="' . api_get_self(
-        ) . '?' . api_get_cidreq() . '" >';
+    $html .= '<form name="formulaire" method="post" action="'.api_get_self(
+        ).'?'.api_get_cidreq().'" >';
     $html .= '<table border="0" cellpadding="5" cellspacing="0" width="100%">';
 
     // Source
-    $html .= '<tr><td width="15%"><b>' . get_lang(
+    $html .= '<tr><td width="15%"><b>'.get_lang(
             'OriginCoursesFromSession'
-        ) . ':</b></td>';
-    $html .= '<td width="10%" align="left">' . api_get_session_name(
+        ).':</b></td>';
+    $html .= '<td width="10%" align="left">'.api_get_session_name(
             $sessionId
-        ) . '</td>';
+        ).'</td>';
     $html .= '<td width="50%">';
-    $html .= "{$courseInfo['title']} ({$courseInfo['code']})" . '</td></tr>';
+    $html .= "{$courseInfo['title']} ({$courseInfo['code']})".'</td></tr>';
 
     // Destination
-    $html .= '<tr><td width="15%"><b>' . get_lang(
+    $html .= '<tr><td width="15%"><b>'.get_lang(
             'DestinationCoursesFromSession'
-        ) . ':</b></td>';
+        ).':</b></td>';
     $html .= '<td width="10%" align="left"><div id="ajax_sessions_list_destination">';
     $html .= '<select name="sessions_list_destination" onchange="javascript: xajax_searchCourses(this.value,\'destination\');">';
     if (empty($sessions)) {
-        $html .= '<option value = "0">' . get_lang(
+        $html .= '<option value = "0">'.get_lang(
                 'ThereIsNotStillASession'
-            ) . '</option>';
+            ).'</option>';
     } else {
-        $html .= '<option value = "0">' . get_lang(
+        $html .= '<option value = "0">'.get_lang(
                 'SelectASession'
-            ) . '</option>';
+            ).'</option>';
         foreach ($sessions as $session) {
             if ($session['id'] == $sessionId) {
                 continue;
@@ -164,7 +164,7 @@ 
                 continue;
             }
 
-            $html .= '<option value="' . $session['id'] . '">' . $session['name'] . '</option>';
+            $html .= '<option value="'.$session['id'].'">'.$session['name'].'</option>';
         }
     }
 
@@ -176,17 +176,17 @@ 
     $html .= '</tr></table>';
 
     $html .= "<fieldset>";
-    $html .= '<legend>' . get_lang('TypeOfCopy') . ' <small>(' . get_lang('CopyOnlySessionItems') . ')</small></legend>';
+    $html .= '<legend>'.get_lang('TypeOfCopy').' <small>('.get_lang('CopyOnlySessionItems').')</small></legend>';
     $html .= '<label class="radio"><input type="radio" id="copy_option_1" name="copy_option" value="full_copy" checked="checked"/>';
-    $html .= get_lang('FullCopy') . '</label>';
+    $html .= get_lang('FullCopy').'</label>';
     $html .= '<label class="radio"><input type="radio" id="copy_option_2" name="copy_option" value="select_items"/>';
-    $html .= ' ' . get_lang('LetMeSelectItems') . '</label><br/>';
+    $html .= ' '.get_lang('LetMeSelectItems').'</label><br/>';
 
     $html .= "</fieldset>";
 
-    $html .= '<button class="save" type="submit" onclick="javascript:if(!confirm(' . "'" . addslashes(
+    $html .= '<button class="save" type="submit" onclick="javascript:if(!confirm('."'".addslashes(
             api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES)
-        ) . "'" . ')) return false;">' . get_lang('CopyCourse') . '</button>';
+        )."'".')) return false;">'.get_lang('CopyCourse').'</button>';
     $html .= '</form>';
     echo $html;
 }
@@ -212,10 +212,10 @@ 
 
             $courseTitle = str_replace("'", "\'", $course['title']);
 
-            $return .= '<option value="' . $course['code'] . '" title="' . @htmlspecialchars(
-                    $course['title'] . ' (' . $course['visual_code'] . ')', ENT_QUOTES, api_get_system_encoding()
-                ) . '">' .
-                $course['title'] . ' (' . $course['visual_code'] . ')</option>';
+            $return .= '<option value="'.$course['code'].'" title="'.@htmlspecialchars(
+                    $course['title'].' ('.$course['visual_code'].')', ENT_QUOTES, api_get_system_encoding()
+                ).'">'.
+                $course['title'].' ('.$course['visual_code'].')</option>';
         }
         $return .= '</select>';
         $_SESSION['course_list_destination'] = $course_list_destination;
@@ -233,7 +233,7 @@ 
 /* HTML head extra */
 
 $htmlHeadXtra[] = $xajax->getJavascript(
-    api_get_path(WEB_LIBRARY_PATH) . 'xajax/'
+    api_get_path(WEB_LIBRARY_PATH).'xajax/'
 );
 $htmlHeadXtra[] = '<script>
 	function checkSelected(id_select,id_radio,id_title,id_destination) {
@@ -378,13 +378,13 @@ 
 
         CourseSelectForm :: display_form($course, $hiddenFields, true);
 
-        echo '<div style="float:right"><a href="javascript:window.history.go(-1);">' .
+        echo '<div style="float:right"><a href="javascript:window.history.go(-1);">'.
             Display::return_icon(
-                'back.png', get_lang('Back') . ' ' . get_lang('To') . ' ' . get_lang(
+                'back.png', get_lang('Back').' '.get_lang('To').' '.get_lang(
                     'PlatformAdmin'
                 ), array('style' => 'vertical-align:middle')
-            ) .
-            get_lang('Back') . '</a></div>';
+            ).
+            get_lang('Back').'</a></div>';
     } else {
         Display::display_error_message(
             get_lang('You must select a course from original session and select a destination session')

main/cron/create_course_sessions.php

Doc Comments +3 added lines

@@ -50,6 +50,7 @@ 
 /**
  * Returns a quarter from a month
  * @param   string  The month (digit), with or without leading 0
+ * @param string $month
  * @return  int The yearly quarter (1, 2, 3 or 4) in which this month lies
  */
 function getQuarter($month)
@@ -96,6 +97,7 @@ 
 /**
  * Returns the first month of the quarter
  * @param   int Quarter
+ * @param integer $quarter
  * @return  string Number of the month, with leading 0
  */
 function getQuarterFirstMonth($quarter)
@@ -116,6 +118,7 @@ 
 /**
  * Get the quarter in Roman letters
  * @param   int Quarter
+ * @param integer $quarter
  * @return  string  Roman letters
  */
 function getQuarterRoman($quarter)

Spacing +7 added lines, -8 removed lines

@@ -14,7 +14,7 @@ 
     exit; //do not run from browser
 }
 
-require_once __DIR__ . "/../inc/global.inc.php";
+require_once __DIR__."/../inc/global.inc.php";
 
 // First day of the current month to create sessions and add courses for the next month (e.g. "07")
 define("OFFSET", "15");
@@ -41,7 +41,7 @@ 
 {
     $startDate = $initialDate ? $initialDate : date("Y-m-01");
     $month = getQuarterFirstMonth(getQuarter(date('m', $startDate)));
-    $startDate = substr($startDate, 0, 5) . $month . '-01';
+    $startDate = substr($startDate, 0, 5).$month.'-01';
     $nextQuarterStartDate = date('Y-m-d', api_strtotime($startDate.' + 3 month'));
     $endDate = date('Y-m-d', api_strtotime($nextQuarterStartDate.' - 1 minute'));
     return array('startDate' => $startDate, 'endDate' => $endDate);
@@ -145,8 +145,7 @@ 
 {
     echo "\n";
     echo $courses ?
-        "Creating sessions and adding courses for the period between ".$startDate." and ".$endDate :
-        "Every course is already in session for the period between ".$startDate." and ".$endDate;
+        "Creating sessions and adding courses for the period between ".$startDate." and ".$endDate : "Every course is already in session for the period between ".$startDate." and ".$endDate;
     echo "\n=====================================================================================\n\n";
     // Loop through courses creating one session per each and adding them
     foreach ($courses as $course) {
@@ -155,8 +154,8 @@ 
         $year = date("Y", api_strtotime($startDate));
         $quarter = getQuarter($month);
         $quarter = getQuarterRoman($quarter);
-        $period = $year . '-' . $quarter;
-        $sessionName = '[' . $period . '] ' . $course['title'];
+        $period = $year.'-'.$quarter;
+        $sessionName = '['.$period.'] '.$course['title'];
         $sessionId = SessionManager::create_session(
             $sessionName,
             $startDate,
@@ -175,7 +174,7 @@ 
 }
 
 // Starts the script
-echo "Starting process..." . PHP_EOL;
+echo "Starting process...".PHP_EOL;
 // Get first active administrator
 $administrators = array_reverse(UserManager::get_all_administrators());
 $lastingAdministrators = count($administrators);
@@ -196,7 +195,7 @@ 
 
 // Creates course sessions for the following month
 $offsetDay = intval(substr($dates['endDate'], 8, 2)) - OFFSET;
-if (date("Y-m-d") >= date(substr($dates['endDate'], 0, 8) . $offsetDay)) {
+if (date("Y-m-d") >= date(substr($dates['endDate'], 0, 8).$offsetDay)) {
     $dates = getQuarterFirstAndLastDates(date("Y-m-d", api_strtotime(date("Y-m-01")." + 3 month")));
     // Get courses that don't have any session the next month
     $courses = CourseManager::getCoursesWithoutSession($dates['startDate'], $dates['endDate']);

main/cron/import_csv.php

Doc Comments +2 added lines, -2 removed lines

@@ -48,7 +48,7 @@ 
     public $conditions;
 
     /**
-     * @param Logger $logger
+     * @param Monolog\Logger $logger
      * @param array
      */
     public function __construct($logger, $conditions)
@@ -66,7 +66,7 @@ 
     }
 
     /**
-     * @return mixed
+     * @return boolean
      */
     public function getDumpValues()
     {

Spacing +19 added lines, -19 removed lines

@@ -1,7 +1,7 @@ 
 <?php
 /* For licensing terms, see /license.txt */
 
-if (PHP_SAPI !='cli') {
+if (PHP_SAPI != 'cli') {
     die('Run this script through the command line or comment this line in the code');
 }
 
@@ -365,11 +365,11 @@ 
                 $row = $this->cleanUserRow($row);
 
                 $user_id = UserManager::get_user_id_from_original_id(
-                    $row['extra_' . $this->extraFieldIdNameList['user']],
+                    $row['extra_'.$this->extraFieldIdNameList['user']],
                     $this->extraFieldIdNameList['user']
                 );
-                $userInfo  = array();
-                $userInfoByOfficialCode  = null;
+                $userInfo = array();
+                $userInfoByOfficialCode = null;
 
                 if (!empty($user_id)) {
                     $userInfo = api_get_user_info($user_id);
@@ -423,7 +423,7 @@ 
                     $result = UserManager::update_user(
                         $userInfo['user_id'],
                         $row['firstname'], // <<-- changed
-                        $row['lastname'],  // <<-- changed
+                        $row['lastname'], // <<-- changed
                         $userInfo['username'],
                         null, //$password = null,
                         $row['auth_source'],
@@ -557,7 +557,7 @@ 
 
                     if ($row['action'] == 'delete') {
                         // Inactive one year later
-                        $userInfo['expiration_date'] = api_get_utc_datetime(api_strtotime(time() + 365*24*60*60));
+                        $userInfo['expiration_date'] = api_get_utc_datetime(api_strtotime(time() + 365 * 24 * 60 * 60));
                     }
 
                     $password = $row['password']; // change password
@@ -606,8 +606,8 @@ 
                     $result = UserManager::update_user(
                         $userInfo['user_id'],
                         $row['firstname'], // <<-- changed
-                        $row['lastname'],  // <<-- changed
-                        $row['username'],  // <<-- changed
+                        $row['lastname'], // <<-- changed
+                        $row['username'], // <<-- changed
                         $password, //$password = null,
                         $row['auth_source'],
                         $email,
@@ -674,7 +674,7 @@ 
         $data = Import::csv_to_array($file);
 
         if (!empty($data)) {
-            $this->logger->addInfo(count($data) . " records found.");
+            $this->logger->addInfo(count($data)." records found.");
             $eventsToCreate = array();
             $errorFound = false;
             foreach ($data as $row) {
@@ -688,7 +688,7 @@ 
                     );
                 }
 
-                $courseCode  = null;
+                $courseCode = null;
                 if (isset($row['coursecode'])) {
                     $courseCode = $row['coursecode'];
                 }
@@ -742,7 +742,7 @@ 
                 }
 
                 $date = $row['date'];
-                $startTime  = $row['time_start'];
+                $startTime = $row['time_start'];
                 $endTime = $row['time_end'];
                 $title = $row['title'];
                 $comment = $row['comment'];
@@ -966,7 +966,7 @@ 
                 $row = $this->cleanCourseRow($row);
 
                 $courseId = CourseManager::get_course_id_from_original_id(
-                    $row['extra_' . $this->extraFieldIdNameList['course']],
+                    $row['extra_'.$this->extraFieldIdNameList['course']],
                     $this->extraFieldIdNameList['course']
                 );
 
@@ -1084,7 +1084,7 @@ 
         $data = Import::csv_reader($file);
 
         if (!empty($data)) {
-            $this->logger->addInfo(count($data) . " records found.");
+            $this->logger->addInfo(count($data)." records found.");
             foreach ($data as $row) {
                 $chamiloUserName = $row['UserName'];
                 $chamiloCourseCode = $row['CourseCode'];
@@ -1126,7 +1126,7 @@ 
                 );
 
                 $this->logger->addError(
-                    "User '$chamiloUserName' was remove from Session: #$chamiloSessionId - Course: " . $courseInfo['code']
+                    "User '$chamiloUserName' was remove from Session: #$chamiloSessionId - Course: ".$courseInfo['code']
                 );
 
             }
@@ -1143,7 +1143,7 @@ 
         $data = Import::csv_reader($file);
 
         if (!empty($data)) {
-            $this->logger->addInfo(count($data) . " records found.");
+            $this->logger->addInfo(count($data)." records found.");
             foreach ($data as $row) {
                 $chamiloUserName = $row['UserName'];
                 $chamiloCourseCode = $row['CourseCode'];
@@ -1198,7 +1198,7 @@ 
                 }
 
                 $this->logger->addError(
-                    "User '$chamiloUserName' with status $type was added to session: #$chamiloSessionId - Course: " . $courseInfo['code']
+                    "User '$chamiloUserName' with status $type was added to session: #$chamiloSessionId - Course: ".$courseInfo['code']
                 );
             }
         }
@@ -1441,7 +1441,7 @@ 
      */
     private function importSessions($file, $moveFile = true, &$teacherBackup = array(), &$groupBackup = array())
     {
-        $avoid =  null;
+        $avoid = null;
         if (isset($this->conditions['importSessions']) &&
             isset($this->conditions['importSessions']['update'])
         ) {
@@ -1486,7 +1486,7 @@ 
         $data = Import::csv_reader($file);
 
         if (!empty($data)) {
-            $this->logger->addInfo(count($data) . " records found.");
+            $this->logger->addInfo(count($data)." records found.");
             foreach ($data as $row) {
                 $chamiloUserName = $row['UserName'];
                 $chamiloCourseCode = $row['CourseCode'];
@@ -1533,7 +1533,7 @@ 
                 }
 
                 $this->logger->addError(
-                    "User '$chamiloUserName' with status $type was added to session: #$chamiloSessionId - Course: " . $courseInfo['code']
+                    "User '$chamiloUserName' with status $type was added to session: #$chamiloSessionId - Course: ".$courseInfo['code']
                 );
             }
         }

main/dropbox/dropbox_class.inc.php

Doc Comments +2 added lines, -1 removed lines

@@ -266,7 +266,7 @@ 
 	 * @param string $author
 	 * @param string $filename
 	 * @param int $filesize
-	 * @param array $recipient_ids
+	 * @param unknown_type|null $recipient_ids
 	 */
 	public function _createNewSentWork($uploader_id, $title, $description, $author, $filename, $filesize, $recipient_ids)
     {
@@ -584,6 +584,7 @@ 
 
 	/**
 	 * Deletes all the received categories and work of this person
+	 * @param integer $id
 	 */
 	function deleteReceivedWorkFolder($id)
     {

Spacing +20 added lines, -20 removed lines

@@ -184,7 +184,7 @@ 
         $action = isset($_GET['action']) ? $_GET['action'] : null;
 
         // Do some sanity checks
-        $id	= intval($id);
+        $id = intval($id);
 
         // Get the data from DB
         $sql = "SELECT uploader_id, filename, filesize, title, description, author, upload_date, last_upload_date, cat_id
@@ -226,14 +226,14 @@ 
                 $row_feedback['feedback'] = Security::remove_XSS($row_feedback['feedback']);
                 $feedback2[] = $row_feedback;
             }
-            $this->feedback2= $feedback2;
+            $this->feedback2 = $feedback2;
         }
 	}
 }
 
 class Dropbox_SentWork extends Dropbox_Work
 {
-	public $recipients;	//array of ['id']['name'] arrays
+	public $recipients; //array of ['id']['name'] arrays
 
 	/**
 	 * Constructor calls private functions to create a new work or retreive an existing work from DB
@@ -290,15 +290,15 @@ 
 		settype($uploader_id, 'integer') or die(get_lang('GeneralError').' (code 208)'); // Set $uploader_id to correct type
 
 		$justSubmit = false;
-		if ( is_int($recipient_ids)) {
+		if (is_int($recipient_ids)) {
 			$justSubmit = true;
 			$recipient_ids = array($recipient_ids + $this->id);
-		} elseif ( count($recipient_ids) == 0) {
+		} elseif (count($recipient_ids) == 0) {
 			$justSubmit = true;
 			$recipient_ids = array($uploader_id);
 		}
 
-		if (! is_array($recipient_ids) || count($recipient_ids) == 0) {
+		if (!is_array($recipient_ids) || count($recipient_ids) == 0) {
 			die(get_lang('GeneralError').' (code 209)');
 		}
 
@@ -313,11 +313,11 @@ 
         $table_person = $dropbox_cnf['tbl_person'];
         $session_id = api_get_session_id();
         $uploader_id = $this->uploader_id;
-        $user  = api_get_user_id();
+        $user = api_get_user_id();
 		// Insert data in dropbox_post and dropbox_person table for each recipient
 		foreach ($this->recipients as $rec) {
-            $file_id = (int)$this->id;
-            $user_id = (int)$rec['id'];
+            $file_id = (int) $this->id;
+            $user_id = (int) $rec['id'];
 			$sql = "INSERT INTO $table_post (c_id, file_id, dest_user_id, session_id)
                     VALUES ($course_id, $file_id, $user_id, $session_id)";
 	        Database::query($sql);
@@ -333,7 +333,7 @@ 
 
                 // Do not add recipient in person table if mailing zip or just upload.
                 if (!$justSubmit) {
-                    Database::query($sql);	// If work already exists no error is generated
+                    Database::query($sql); // If work already exists no error is generated
                 }
             }
 
@@ -342,7 +342,7 @@ 
 			    $ownerid = getUserOwningThisMailing($ownerid);
 			}
 			if (($recipid = $rec["id"]) > $dropbox_cnf['mailingIdBase']) {
-			    $recipid = $ownerid;  // mailing file recipient = mailing id, not a person
+			    $recipid = $ownerid; // mailing file recipient = mailing id, not a person
 			}
             api_item_property_update(
                 $_course,
@@ -401,13 +401,13 @@ 
 class Dropbox_Person
 {
 	// The receivedWork and the sentWork arrays are sorted.
-	public $receivedWork;	// an array of Dropbox_Work objects
-	public $sentWork;		// an array of Dropbox_SentWork objects
+	public $receivedWork; // an array of Dropbox_Work objects
+	public $sentWork; // an array of Dropbox_SentWork objects
 
 	public $userId = 0;
 	public $isCourseAdmin = false;
 	public $isCourseTutor = false;
-	public $_orderBy = '';	// private property that determines by which field
+	public $_orderBy = ''; // private property that determines by which field
 
 	/**
 	 * Constructor for recreating the Dropbox_Person object
@@ -506,7 +506,7 @@ 
 	 */
 	function orderSentWork($sort)
     {
-		switch($sort) {
+		switch ($sort) {
 			case 'lastDate':
 				$this->_orderBy = 'last_upload_date';
 				break;
@@ -539,7 +539,7 @@ 
 	 */
 	function orderReceivedWork($sort)
     {
-		switch($sort) {
+		switch ($sort) {
 			case 'lastDate':
 				$this->_orderBy = 'last_upload_date';
 				break;
@@ -632,7 +632,7 @@ 
         $sql = "DELETE FROM ".$dropbox_cnf['tbl_person']."
                 WHERE c_id = $course_id AND user_id = '".$this->userId."' AND file_id ='".$id."'";
 		Database::query($sql);
-		removeUnusedFiles();	// Check for unused files
+		removeUnusedFiles(); // Check for unused files
 	}
 
 	/**
@@ -649,7 +649,7 @@ 
 			Database::query($sql);
 			removeMoreIfMailing($w->id);
 		}
-		removeUnusedFiles();	// Check for unused files
+		removeUnusedFiles(); // Check for unused files
 	}
 
 	/**
@@ -683,7 +683,7 @@ 
                 WHERE c_id = $course_id AND user_id='".$this->userId."' AND file_id='".$id."'";
 		Database::query($sql);
 		removeMoreIfMailing($id);
-		removeUnusedFiles();	// Check for unused files
+		removeUnusedFiles(); // Check for unused files
 	}
 
 	/**
@@ -705,7 +705,7 @@ 
 		$wi = -1;
 		foreach ($this->receivedWork as $w) {
 			$wi++;
-			if ($w->id == $id){
+			if ($w->id == $id) {
 			   $found = true;
 			   break;
 			}  // foreach (... as $wi -> $w) gives error 221! (no idea why...)

Braces +12 added lines, -4 removed lines

@@ -303,7 +303,9 @@ 
 		}
 
 		foreach ($recipient_ids as $rec) {
-			if (empty($rec)) die(get_lang('GeneralError').' (code 210)');
+			if (empty($rec)) {
+			    die(get_lang('GeneralError').' (code 210)');
+			}
 			//if (!isCourseMember($rec)) die(); //cannot sent document to someone outside of course
 				//this check is done when validating submitted data
 			$this->recipients[] = array('id' => $rec, 'name' => getUserNameFromId($rec));
@@ -593,13 +595,19 @@ 
 		$id = intval($id);
 		$sql = "DELETE FROM ".$dropbox_cnf['tbl_file']."
 		        WHERE c_id = $course_id AND cat_id = '".$id."' ";
-		if (!Database::query($sql)) return false;
+		if (!Database::query($sql)) {
+		    return false;
+		}
 		$sql = "DELETE FROM ".$dropbox_cnf['tbl_category']."
 		        WHERE c_id = $course_id AND cat_id = '".$id."' ";
-		if (!Database::query($sql)) return false;
+		if (!Database::query($sql)) {
+		    return false;
+		}
 		$sql = "DELETE FROM ".$dropbox_cnf['tbl_post']."
 		        WHERE c_id = $course_id AND cat_id = '".$id."' ";
-		if (!Database::query($sql)) return false;
+		if (!Database::query($sql)) {
+		    return false;
+		}
 		return true;
 	}
 

Indentation +421 added lines, -421 removed lines

@@ -77,20 +77,20 @@ 
         }
     }
 
-	/**
-	 * private function creating a new work object
-	 *
-	 * @param int $uploader_id
-	 * @param string $title
-	 * @param string $description
-	 * @param string $author
-	 * @param string $filename
-	 * @param int $filesize
-	 *
-	 * @todo 	$author was originally a field but this has now been replaced by the first and lastname of the uploader (to prevent anonymous uploads)
-	 * 			As a consequence this parameter can be removed
-	 */
-	public function _createNewWork($uploader_id, $title, $description, $author, $filename, $filesize)
+    /**
+     * private function creating a new work object
+     *
+     * @param int $uploader_id
+     * @param string $title
+     * @param string $description
+     * @param string $author
+     * @param string $filename
+     * @param int $filesize
+     *
+     * @todo 	$author was originally a field but this has now been replaced by the first and lastname of the uploader (to prevent anonymous uploads)
+     * 			As a consequence this parameter can be removed
+     */
+    public function _createNewWork($uploader_id, $title, $description, $author, $filename, $filesize)
     {
         $dropbox_cnf = getDropboxConf();
 
@@ -108,17 +108,17 @@ 
         // Check if object exists already. If it does, the old object is used
         // with updated information (authors, description, upload_date)
         $this->isOldWork = false;
-		$sql = "SELECT id, upload_date FROM ".$dropbox_cnf['tbl_file']."
+        $sql = "SELECT id, upload_date FROM ".$dropbox_cnf['tbl_file']."
 				WHERE c_id = $course_id AND filename = '".Database::escape_string($this->filename)."'";
         $result = Database::query($sql);
-		$res = Database::fetch_array($result);
-		if ($res) {
-			$this->isOldWork = true;
-		}
-		// Insert or update the dropbox_file table and set the id property
-		if ($this->isOldWork) {
-			$this->id = $res['id'];
-			$this->upload_date = $res['upload_date'];
+        $res = Database::fetch_array($result);
+        if ($res) {
+            $this->isOldWork = true;
+        }
+        // Insert or update the dropbox_file table and set the id property
+        if ($this->isOldWork) {
+            $this->id = $res['id'];
+            $this->upload_date = $res['upload_date'];
 
             $params = [
                 'filesize' => $this->filesize,
@@ -135,9 +135,9 @@ 
                 ['c_id = ? AND id = ?' => [$course_id, $this->id]]
             );
 
-		} else {
-			$this->upload_date = $this->last_upload_date;
-			$params = [
+        } else {
+            $this->upload_date = $this->last_upload_date;
+            $params = [
                 'c_id' => $course_id,
                 'uploader_id' => $this->uploader_id,
                 'filename' => $this->filename,
@@ -149,14 +149,14 @@ 
                 'last_upload_date' => $this->last_upload_date,
                 'session_id' => api_get_session_id(),
                 'cat_id' => 0
-			];
+            ];
 
-			$this->id = Database::insert($dropbox_cnf['tbl_file'], $params);
-			if ($this->id) {
-				$sql = "UPDATE ".$dropbox_cnf['tbl_file']." SET id = iid WHERE iid = {$this->id}";
-				Database::query($sql);
-			}
-		}
+            $this->id = Database::insert($dropbox_cnf['tbl_file'], $params);
+            if ($this->id) {
+                $sql = "UPDATE ".$dropbox_cnf['tbl_file']." SET id = iid WHERE iid = {$this->id}";
+                Database::query($sql);
+            }
+        }
 
         $sql = "SELECT count(file_id) as count
         		FROM ".$dropbox_cnf['tbl_person']."
@@ -170,16 +170,16 @@ 
                     VALUES ($course_id, ".intval($this->id)." , ".intval($this->uploader_id).")";
             Database::query($sql);
         }
-	}
-
-	/**
-	 * private function creating existing object by retreiving info from db
-	 *
-	 * @param int $id
-	 */
-	public function _createExistingWork($id)
+    }
+
+    /**
+     * private function creating existing object by retreiving info from db
+     *
+     * @param int $id
+     */
+    public function _createExistingWork($id)
     {
-	    $course_id = api_get_course_int_id();
+        $course_id = api_get_course_int_id();
         $dropbox_cnf = getDropboxConf();
 
         $action = isset($_GET['action']) ? $_GET['action'] : null;
@@ -229,52 +229,52 @@ 
             }
             $this->feedback2= $feedback2;
         }
-	}
+    }
 }
 
 class Dropbox_SentWork extends Dropbox_Work
 {
-	public $recipients;	//array of ['id']['name'] arrays
-
-	/**
-	 * Constructor calls private functions to create a new work or retreive an existing work from DB
-	 * depending on the number of parameters
-	 *
-	 * @param unknown_type $arg1
-	 * @param unknown_type $arg2
-	 * @param unknown_type $arg3
-	 * @param unknown_type $arg4
-	 * @param unknown_type $arg5
-	 * @param unknown_type $arg6
-	 * @param unknown_type $arg7
-	 * @return Dropbox_SentWork
-	 */
-	public function __construct($arg1, $arg2 = null, $arg3 = null, $arg4 = null, $arg5 = null, $arg6 = null, $arg7 = null)
+    public $recipients;	//array of ['id']['name'] arrays
+
+    /**
+     * Constructor calls private functions to create a new work or retreive an existing work from DB
+     * depending on the number of parameters
+     *
+     * @param unknown_type $arg1
+     * @param unknown_type $arg2
+     * @param unknown_type $arg3
+     * @param unknown_type $arg4
+     * @param unknown_type $arg5
+     * @param unknown_type $arg6
+     * @param unknown_type $arg7
+     * @return Dropbox_SentWork
+     */
+    public function __construct($arg1, $arg2 = null, $arg3 = null, $arg4 = null, $arg5 = null, $arg6 = null, $arg7 = null)
     {
-		if (func_num_args() > 1) {
-		    $this->_createNewSentWork($arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7);
-		} else {
-			$this->_createExistingSentWork($arg1);
-		}
-	}
-
-	/**
-	 * private function creating a new SentWork object
-	 *
-	 * @param int $uploader_id
-	 * @param string $title
-	 * @param string $description
-	 * @param string $author
-	 * @param string $filename
-	 * @param int $filesize
-	 * @param array $recipient_ids
-	 */
-	public function _createNewSentWork($uploader_id, $title, $description, $author, $filename, $filesize, $recipient_ids)
+        if (func_num_args() > 1) {
+            $this->_createNewSentWork($arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7);
+        } else {
+            $this->_createExistingSentWork($arg1);
+        }
+    }
+
+    /**
+     * private function creating a new SentWork object
+     *
+     * @param int $uploader_id
+     * @param string $title
+     * @param string $description
+     * @param string $author
+     * @param string $filename
+     * @param int $filesize
+     * @param array $recipient_ids
+     */
+    public function _createNewSentWork($uploader_id, $title, $description, $author, $filename, $filesize, $recipient_ids)
     {
         $dropbox_cnf = getDropboxConf();
         $_course = api_get_course_info();
 
-		// Call constructor of Dropbox_Work object
+        // Call constructor of Dropbox_Work object
         parent::__construct(
             $uploader_id,
             $title,
@@ -284,31 +284,31 @@ 
             $filesize
         );
 
-		$course_id = api_get_course_int_id();
-
-		// Do sanity checks on recipient_ids array & property fillin
-		// The sanity check for ex-coursemembers is already done in base constructor
-		settype($uploader_id, 'integer') or die(get_lang('GeneralError').' (code 208)'); // Set $uploader_id to correct type
+        $course_id = api_get_course_int_id();
 
-		$justSubmit = false;
-		if ( is_int($recipient_ids)) {
-			$justSubmit = true;
-			$recipient_ids = array($recipient_ids + $this->id);
-		} elseif ( count($recipient_ids) == 0) {
-			$justSubmit = true;
-			$recipient_ids = array($uploader_id);
-		}
+        // Do sanity checks on recipient_ids array & property fillin
+        // The sanity check for ex-coursemembers is already done in base constructor
+        settype($uploader_id, 'integer') or die(get_lang('GeneralError').' (code 208)'); // Set $uploader_id to correct type
+
+        $justSubmit = false;
+        if ( is_int($recipient_ids)) {
+            $justSubmit = true;
+            $recipient_ids = array($recipient_ids + $this->id);
+        } elseif ( count($recipient_ids) == 0) {
+            $justSubmit = true;
+            $recipient_ids = array($uploader_id);
+        }
 
-		if (! is_array($recipient_ids) || count($recipient_ids) == 0) {
-			die(get_lang('GeneralError').' (code 209)');
-		}
+        if (! is_array($recipient_ids) || count($recipient_ids) == 0) {
+            die(get_lang('GeneralError').' (code 209)');
+        }
 
-		foreach ($recipient_ids as $rec) {
-			if (empty($rec)) die(get_lang('GeneralError').' (code 210)');
-			//if (!isCourseMember($rec)) die(); //cannot sent document to someone outside of course
-				//this check is done when validating submitted data
-			$this->recipients[] = array('id' => $rec, 'name' => getUserNameFromId($rec));
-		}
+        foreach ($recipient_ids as $rec) {
+            if (empty($rec)) die(get_lang('GeneralError').' (code 210)');
+            //if (!isCourseMember($rec)) die(); //cannot sent document to someone outside of course
+                //this check is done when validating submitted data
+            $this->recipients[] = array('id' => $rec, 'name' => getUserNameFromId($rec));
+        }
 
         $table_post = $dropbox_cnf['tbl_post'];
         $table_person = $dropbox_cnf['tbl_person'];
@@ -317,13 +317,13 @@ 
         $user  = api_get_user_id();
         $now = api_get_utc_datetime();
 
-		// Insert data in dropbox_post and dropbox_person table for each recipient
-		foreach ($this->recipients as $rec) {
+        // Insert data in dropbox_post and dropbox_person table for each recipient
+        foreach ($this->recipients as $rec) {
             $file_id = (int)$this->id;
             $user_id = (int)$rec['id'];
-			$sql = "INSERT INTO $table_post (c_id, file_id, dest_user_id, session_id, feedback_date, cat_id)
+            $sql = "INSERT INTO $table_post (c_id, file_id, dest_user_id, session_id, feedback_date, cat_id)
                     VALUES ($course_id, $file_id, $user_id, $session_id, '$now', 0)";
-	        Database::query($sql);
+            Database::query($sql);
             // If work already exists no error is generated
 
             /**
@@ -340,13 +340,13 @@ 
                 }
             }
 
-			// Update item_property table for each recipient
-			if (($ownerid = $this->uploader_id) > $dropbox_cnf['mailingIdBase']) {
-			    $ownerid = getUserOwningThisMailing($ownerid);
-			}
-			if (($recipid = $rec["id"]) > $dropbox_cnf['mailingIdBase']) {
-			    $recipid = $ownerid;  // mailing file recipient = mailing id, not a person
-			}
+            // Update item_property table for each recipient
+            if (($ownerid = $this->uploader_id) > $dropbox_cnf['mailingIdBase']) {
+                $ownerid = getUserOwningThisMailing($ownerid);
+            }
+            if (($recipid = $rec["id"]) > $dropbox_cnf['mailingIdBase']) {
+                $recipid = $ownerid;  // mailing file recipient = mailing id, not a person
+            }
             api_item_property_update(
                 $_course,
                 TOOL_DROPBOX,
@@ -356,92 +356,92 @@ 
                 null,
                 $recipid
             );
-		}
-	}
-
-	/**
-	 * private function creating existing object by retreiving info from db
-	 *
-	 * @param unknown_type $id
-	 */
-	public function _createExistingSentWork($id)
+        }
+    }
+
+    /**
+     * private function creating existing object by retreiving info from db
+     *
+     * @param unknown_type $id
+     */
+    public function _createExistingSentWork($id)
     {
         $dropbox_cnf = getDropboxConf();
         $id = intval($id);
 
-		$course_id = api_get_course_int_id();
+        $course_id = api_get_course_int_id();
 
-		// Call constructor of Dropbox_Work object
-		parent::__construct($id);
+        // Call constructor of Dropbox_Work object
+        parent::__construct($id);
 
-		// Fill in recipients array
-		$this->recipients = array();
-		$sql = "SELECT dest_user_id, feedback_date, feedback
+        // Fill in recipients array
+        $this->recipients = array();
+        $sql = "SELECT dest_user_id, feedback_date, feedback
 				FROM ".$dropbox_cnf['tbl_post']."
 				WHERE c_id = $course_id AND file_id = ".intval($id)."";
         $result = Database::query($sql);
-		while ($res = Database::fetch_array($result, 'ASSOC')) {
-
-			// Check for deleted users
-			$dest_user_id = $res['dest_user_id'];
-			$user_info = api_get_user_info($dest_user_id);
-			//$this->category = $res['cat_id'];
-			if (!$user_info) {
-				$this->recipients[] = array('id' => -1, 'name' => get_lang('Unknown', ''));
-			} else {
-				$this->recipients[] = array(
+        while ($res = Database::fetch_array($result, 'ASSOC')) {
+
+            // Check for deleted users
+            $dest_user_id = $res['dest_user_id'];
+            $user_info = api_get_user_info($dest_user_id);
+            //$this->category = $res['cat_id'];
+            if (!$user_info) {
+                $this->recipients[] = array('id' => -1, 'name' => get_lang('Unknown', ''));
+            } else {
+                $this->recipients[] = array(
                     'id' => $dest_user_id,
                     'name' => $user_info['complete_name'],
                     'user_id' => $dest_user_id,
-				    'feedback_date' => $res['feedback_date'],
+                    'feedback_date' => $res['feedback_date'],
                     'feedback' => $res['feedback']
                 );
-			}
-		}
-	}
+            }
+        }
+    }
 }
 
 class Dropbox_Person
 {
-	// The receivedWork and the sentWork arrays are sorted.
-	public $receivedWork;	// an array of Dropbox_Work objects
-	public $sentWork;		// an array of Dropbox_SentWork objects
-
-	public $userId = 0;
-	public $isCourseAdmin = false;
-	public $isCourseTutor = false;
-	public $_orderBy = '';	// private property that determines by which field
-
-	/**
-	 * Constructor for recreating the Dropbox_Person object
-	 *
-	 * @param int $userId
-	 * @param bool $isCourseAdmin
-	 * @param bool $isCourseTutor
-	 * @return Dropbox_Person
-	 */
-	public function __construct($userId, $isCourseAdmin, $isCourseTutor)
+    // The receivedWork and the sentWork arrays are sorted.
+    public $receivedWork;	// an array of Dropbox_Work objects
+    public $sentWork;		// an array of Dropbox_SentWork objects
+
+    public $userId = 0;
+    public $isCourseAdmin = false;
+    public $isCourseTutor = false;
+    public $_orderBy = '';	// private property that determines by which field
+
+    /**
+     * Constructor for recreating the Dropbox_Person object
+     *
+     * @param int $userId
+     * @param bool $isCourseAdmin
+     * @param bool $isCourseTutor
+     * @return Dropbox_Person
+     */
+    public function __construct($userId, $isCourseAdmin, $isCourseTutor)
     {
-	    $course_id = api_get_course_int_id();
+        $course_id = api_get_course_int_id();
 
-		// Fill in properties
+        // Fill in properties
         $this->userId = $userId;
         $this->isCourseAdmin = $isCourseAdmin;
         $this->isCourseTutor = $isCourseTutor;
         $this->receivedWork = array();
         $this->sentWork = array();
 
-		// Note: perhaps include an ex coursemember check to delete old files
+        // Note: perhaps include an ex coursemember check to delete old files
 
-		$session_id = api_get_session_id();
-		$condition_session = api_get_session_condition($session_id);
+        $session_id = api_get_session_id();
+        $condition_session = api_get_session_condition($session_id);
 
-		$post_tbl = Database::get_course_table(TABLE_DROPBOX_POST);
-		$person_tbl = Database::get_course_table(TABLE_DROPBOX_PERSON);
-		$file_tbl = Database::get_course_table(TABLE_DROPBOX_FILE);
+        $post_tbl = Database::get_course_table(TABLE_DROPBOX_POST);
+        $person_tbl = Database::get_course_table(TABLE_DROPBOX_PERSON);
+        $file_tbl = Database::get_course_table(TABLE_DROPBOX_FILE);
 
         // Find all entries where this person is the recipient
-		$sql = "SELECT DISTINCT r.file_id, r.cat_id
+        $sql = "SELECT DISTINCT r.file_id, r.cat_id
                 FROM $post_tbl r
                 INNER JOIN $person_tbl p
                     ON (r.file_id = p.file_id AND r.c_id = $course_id AND p.c_id = $course_id )
@@ -450,12 +450,12 @@ 
                      r.dest_user_id = ".intval($this->userId)." $condition_session ";
 
         $result = Database::query($sql);
-		while ($res = Database::fetch_array($result)) {
-			$temp = new Dropbox_Work($res['file_id']);
-			$temp->category = $res['cat_id'];
-			$this->receivedWork[] = $temp;
-		}
-		// Find all entries where this person is the sender/uploader
+        while ($res = Database::fetch_array($result)) {
+            $temp = new Dropbox_Work($res['file_id']);
+            $temp->category = $res['cat_id'];
+            $this->receivedWork[] = $temp;
+        }
+        // Find all entries where this person is the sender/uploader
         $sql = "SELECT DISTINCT f.id
 				FROM $file_tbl f
 				INNER JOIN $person_tbl p
@@ -466,260 +466,260 @@ 
                     $condition_session
                 ";
         $result = Database::query($sql);
-		while ($res = Database::fetch_array($result)) {
-			$this->sentWork[] = new Dropbox_SentWork($res['id']);
-		}
-	}
-
-	/**
-	 * This private method is used by the usort function in  the
-	 * orderSentWork and orderReceivedWork methods.
-	 * It compares 2 work-objects by 1 of the properties of that object, dictated by the
-	 * private property _orderBy
-	 *
-	 * @param unknown_type $a
-	 * @param unknown_type $b
-	 * @return -1, 0 or 1 dependent of the result of the comparison.
-	 */
-	function _cmpWork($a, $b)
+        while ($res = Database::fetch_array($result)) {
+            $this->sentWork[] = new Dropbox_SentWork($res['id']);
+        }
+    }
+
+    /**
+     * This private method is used by the usort function in  the
+     * orderSentWork and orderReceivedWork methods.
+     * It compares 2 work-objects by 1 of the properties of that object, dictated by the
+     * private property _orderBy
+     *
+     * @param unknown_type $a
+     * @param unknown_type $b
+     * @return -1, 0 or 1 dependent of the result of the comparison.
+     */
+    function _cmpWork($a, $b)
     {
-		$sort = $this->_orderBy;
-		$aval = $a->$sort;
-		$bval = $b->$sort;
-		if ($sort == 'recipients') {
-		    // The recipients property is an array so we do the comparison based
-		    // on the first item of the recipients array
-		    $aval = $aval[0]['name'];
-			$bval = $bval[0]['name'];
-		}
-		if ($sort == 'filesize') {    // Filesize is not a string, so we use other comparison technique
-			return $aval < $bval ? -1 : 1;
-		} elseif ($sort == 'title') { // Natural order for sorting titles is more "human-friendly"
-			return api_strnatcmp($aval, $bval);
-		} else {
-		    return api_strcasecmp($aval, $bval);
-		}
-	}
-
-	/**
-	 * A method that sorts the objects in the sentWork array, dependent on the $sort parameter.
-	 * $sort can be lastDate, firstDate, title, size, ...
-	 *
-	 * @param unknown_type $sort
-	 */
-	function orderSentWork($sort)
+        $sort = $this->_orderBy;
+        $aval = $a->$sort;
+        $bval = $b->$sort;
+        if ($sort == 'recipients') {
+            // The recipients property is an array so we do the comparison based
+            // on the first item of the recipients array
+            $aval = $aval[0]['name'];
+            $bval = $bval[0]['name'];
+        }
+        if ($sort == 'filesize') {    // Filesize is not a string, so we use other comparison technique
+            return $aval < $bval ? -1 : 1;
+        } elseif ($sort == 'title') { // Natural order for sorting titles is more "human-friendly"
+            return api_strnatcmp($aval, $bval);
+        } else {
+            return api_strcasecmp($aval, $bval);
+        }
+    }
+
+    /**
+     * A method that sorts the objects in the sentWork array, dependent on the $sort parameter.
+     * $sort can be lastDate, firstDate, title, size, ...
+     *
+     * @param unknown_type $sort
+     */
+    function orderSentWork($sort)
     {
-		switch($sort) {
-			case 'lastDate':
-				$this->_orderBy = 'last_upload_date';
-				break;
-			case 'firstDate':
-				$this->_orderBy = 'upload_date';
-				break;
-			case 'title':
-				$this->_orderBy = 'title';
-				break;
-			case 'size':
-				$this->_orderBy = 'filesize';
-				break;
-			case 'author':
-				$this->_orderBy = 'author';
-				break;
-			case 'recipient':
-				$this->_orderBy = 'recipients';
-				break;
-			default:
-				$this->_orderBy = 'last_upload_date';
-		}
-
-		usort($this->sentWork, array($this, '_cmpWork'));
-	}
-
-	/**
-	 * method that sorts the objects in the receivedWork array, dependent on the $sort parameter.
-	 * $sort can be lastDate, firstDate, title, size, ...
-	 * @param unknown_type $sort
-	 */
-	function orderReceivedWork($sort)
+        switch($sort) {
+            case 'lastDate':
+                $this->_orderBy = 'last_upload_date';
+                break;
+            case 'firstDate':
+                $this->_orderBy = 'upload_date';
+                break;
+            case 'title':
+                $this->_orderBy = 'title';
+                break;
+            case 'size':
+                $this->_orderBy = 'filesize';
+                break;
+            case 'author':
+                $this->_orderBy = 'author';
+                break;
+            case 'recipient':
+                $this->_orderBy = 'recipients';
+                break;
+            default:
+                $this->_orderBy = 'last_upload_date';
+        }
+
+        usort($this->sentWork, array($this, '_cmpWork'));
+    }
+
+    /**
+     * method that sorts the objects in the receivedWork array, dependent on the $sort parameter.
+     * $sort can be lastDate, firstDate, title, size, ...
+     * @param unknown_type $sort
+     */
+    function orderReceivedWork($sort)
     {
-		switch($sort) {
-			case 'lastDate':
-				$this->_orderBy = 'last_upload_date';
-				break;
-			case 'firstDate':
-				$this->_orderBy = 'upload_date';
-				break;
-			case 'title':
-				$this->_orderBy = 'title';
-				break;
-			case 'size':
-				$this->_orderBy = 'filesize';
-				break;
-			case 'author':
-				$this->_orderBy = 'author';
-				break;
-			case 'sender':
-				$this->_orderBy = 'uploaderName';
-				break;
-			default:
-				$this->_orderBy = 'last_upload_date';
-		}
-
-		usort($this->receivedWork, array($this, '_cmpWork'));
-	}
-
-	/**
-	 * Deletes all the received work of this person
-	 */
-	function deleteAllReceivedWork()
+        switch($sort) {
+            case 'lastDate':
+                $this->_orderBy = 'last_upload_date';
+                break;
+            case 'firstDate':
+                $this->_orderBy = 'upload_date';
+                break;
+            case 'title':
+                $this->_orderBy = 'title';
+                break;
+            case 'size':
+                $this->_orderBy = 'filesize';
+                break;
+            case 'author':
+                $this->_orderBy = 'author';
+                break;
+            case 'sender':
+                $this->_orderBy = 'uploaderName';
+                break;
+            default:
+                $this->_orderBy = 'last_upload_date';
+        }
+
+        usort($this->receivedWork, array($this, '_cmpWork'));
+    }
+
+    /**
+     * Deletes all the received work of this person
+     */
+    function deleteAllReceivedWork()
     {
-	    $course_id = api_get_course_int_id();
+        $course_id = api_get_course_int_id();
         $dropbox_cnf = getDropboxConf();
-		// Delete entries in person table concerning received works
-		foreach ($this->receivedWork as $w) {
+        // Delete entries in person table concerning received works
+        foreach ($this->receivedWork as $w) {
             $sql = "DELETE FROM ".$dropbox_cnf['tbl_person']."
 			        WHERE c_id = $course_id AND user_id='".$this->userId."' AND file_id='".$w->id."'";
-			Database::query($sql);
-		}
+            Database::query($sql);
+        }
         // Check for unused files
-		removeUnusedFiles();
-	}
+        removeUnusedFiles();
+    }
 
-	/**
-	 * Deletes all the received categories and work of this person
-	 */
-	function deleteReceivedWorkFolder($id)
+    /**
+     * Deletes all the received categories and work of this person
+     */
+    function deleteReceivedWorkFolder($id)
     {
         $dropbox_cnf = getDropboxConf();
         $course_id = api_get_course_int_id();
 
-		$id = intval($id);
-		$sql = "DELETE FROM ".$dropbox_cnf['tbl_file']."
+        $id = intval($id);
+        $sql = "DELETE FROM ".$dropbox_cnf['tbl_file']."
 		        WHERE c_id = $course_id AND cat_id = '".$id."' ";
-		if (!Database::query($sql)) return false;
-		$sql = "DELETE FROM ".$dropbox_cnf['tbl_category']."
+        if (!Database::query($sql)) return false;
+        $sql = "DELETE FROM ".$dropbox_cnf['tbl_category']."
 		        WHERE c_id = $course_id AND cat_id = '".$id."' ";
-		if (!Database::query($sql)) return false;
-		$sql = "DELETE FROM ".$dropbox_cnf['tbl_post']."
+        if (!Database::query($sql)) return false;
+        $sql = "DELETE FROM ".$dropbox_cnf['tbl_post']."
 		        WHERE c_id = $course_id AND cat_id = '".$id."' ";
-		if (!Database::query($sql)) return false;
-		return true;
-	}
-
-	/**
-	 * Deletes a received dropbox file of this person with id=$id
-	 *
-	 * @param integer $id
-	 */
-	function deleteReceivedWork($id)
+        if (!Database::query($sql)) return false;
+        return true;
+    }
+
+    /**
+     * Deletes a received dropbox file of this person with id=$id
+     *
+     * @param integer $id
+     */
+    function deleteReceivedWork($id)
     {
-	    $course_id = api_get_course_int_id();
+        $course_id = api_get_course_int_id();
         $dropbox_cnf = getDropboxConf();
-		$id = intval($id);
-
-		// index check
-		$found = false;
-		foreach ($this->receivedWork as $w) {
-			if ($w->id == $id) {
-			   $found = true;
-			   break;
-			}
-		}
-
-		if (!$found) {
-			if (!$this->deleteReceivedWorkFolder($id)) {
-				die(get_lang('GeneralError').' (code 216)');
-			}
-		}
-		// Delete entries in person table concerning received works
+        $id = intval($id);
+
+        // index check
+        $found = false;
+        foreach ($this->receivedWork as $w) {
+            if ($w->id == $id) {
+                $found = true;
+                break;
+            }
+        }
+
+        if (!$found) {
+            if (!$this->deleteReceivedWorkFolder($id)) {
+                die(get_lang('GeneralError').' (code 216)');
+            }
+        }
+        // Delete entries in person table concerning received works
         $sql = "DELETE FROM ".$dropbox_cnf['tbl_person']."
                 WHERE c_id = $course_id AND user_id = '".$this->userId."' AND file_id ='".$id."'";
-		Database::query($sql);
-		removeUnusedFiles();	// Check for unused files
-	}
-
-	/**
-	 * Deletes all the sent dropbox files of this person
-	 */
-	function deleteAllSentWork()
+        Database::query($sql);
+        removeUnusedFiles();	// Check for unused files
+    }
+
+    /**
+     * Deletes all the sent dropbox files of this person
+     */
+    function deleteAllSentWork()
     {
-	    $course_id = api_get_course_int_id();
+        $course_id = api_get_course_int_id();
         $dropbox_cnf = getDropboxConf();
-		//delete entries in person table concerning sent works
-		foreach ($this->sentWork as $w) {
+        //delete entries in person table concerning sent works
+        foreach ($this->sentWork as $w) {
             $sql = "DELETE FROM ".$dropbox_cnf['tbl_person']."
                     WHERE c_id = $course_id AND user_id='".$this->userId."' AND file_id='".$w->id."'";
-			Database::query($sql);
-			removeMoreIfMailing($w->id);
-		}
-		removeUnusedFiles();	// Check for unused files
-	}
-
-	/**
-	 * Deletes a sent dropbox file of this person with id=$id
-	 *
-	 * @param unknown_type $id
-	 */
-	function deleteSentWork($id)
+            Database::query($sql);
+            removeMoreIfMailing($w->id);
+        }
+        removeUnusedFiles();	// Check for unused files
+    }
+
+    /**
+     * Deletes a sent dropbox file of this person with id=$id
+     *
+     * @param unknown_type $id
+     */
+    function deleteSentWork($id)
     {
-	    $course_id = api_get_course_int_id();
+        $course_id = api_get_course_int_id();
         $dropbox_cnf = getDropboxConf();
 
-		$id = intval($id);
-
-		// index check
-		$found = false;
-		foreach ($this->sentWork as $w) {
-			if ($w->id == $id) {
-			   $found = true;
-			   break;
-			}
-		}
-		if (!$found) {
-			if (!$this->deleteReceivedWorkFolder($id)) {
-				die(get_lang('GeneralError').' (code 219)');
-			}
-		}
-		//$file_id = $this->sentWork[$index]->id;
-		// Delete entries in person table concerning sent works
+        $id = intval($id);
+
+        // index check
+        $found = false;
+        foreach ($this->sentWork as $w) {
+            if ($w->id == $id) {
+                $found = true;
+                break;
+            }
+        }
+        if (!$found) {
+            if (!$this->deleteReceivedWorkFolder($id)) {
+                die(get_lang('GeneralError').' (code 219)');
+            }
+        }
+        //$file_id = $this->sentWork[$index]->id;
+        // Delete entries in person table concerning sent works
         $sql = "DELETE FROM ".$dropbox_cnf['tbl_person']."
                 WHERE c_id = $course_id AND user_id='".$this->userId."' AND file_id='".$id."'";
-		Database::query($sql);
-		removeMoreIfMailing($id);
-		removeUnusedFiles();	// Check for unused files
-	}
-
-	/**
-	 * Updates feedback for received work of this person with id=$id
-	 *
-	 * @param string $id
-	 * @param string $text
-	 */
-	function updateFeedback($id, $text)
+        Database::query($sql);
+        removeMoreIfMailing($id);
+        removeUnusedFiles();	// Check for unused files
+    }
+
+    /**
+     * Updates feedback for received work of this person with id=$id
+     *
+     * @param string $id
+     * @param string $text
+     */
+    function updateFeedback($id, $text)
     {
-	    $course_id = api_get_course_int_id();
+        $course_id = api_get_course_int_id();
         $_course = api_get_course_info();
         $dropbox_cnf = getDropboxConf();
 
-		$id = intval($id);
-
-		// index check
-		$found = false;
-		$wi = -1;
-		foreach ($this->receivedWork as $w) {
-			$wi++;
-			if ($w->id == $id){
-			   $found = true;
-			   break;
-			}  // foreach (... as $wi -> $w) gives error 221! (no idea why...)
-		}
-		if (!$found) {
-			die(get_lang('GeneralError').' (code 221)');
-		}
-
-		$feedback_date = api_get_utc_datetime();
-		$this->receivedWork[$wi]->feedback_date = $feedback_date;
-		$this->receivedWork[$wi]->feedback = $text;
+        $id = intval($id);
+
+        // index check
+        $found = false;
+        $wi = -1;
+        foreach ($this->receivedWork as $w) {
+            $wi++;
+            if ($w->id == $id){
+                $found = true;
+                break;
+            }  // foreach (... as $wi -> $w) gives error 221! (no idea why...)
+        }
+        if (!$found) {
+            die(get_lang('GeneralError').' (code 221)');
+        }
+
+        $feedback_date = api_get_utc_datetime();
+        $this->receivedWork[$wi]->feedback_date = $feedback_date;
+        $this->receivedWork[$wi]->feedback = $text;
 
         $params = [
             'feedback_date' => $feedback_date,
@@ -737,11 +737,11 @@ 
             ]
         );
 
-		// Update item_property table
+        // Update item_property table
 
-		if (($ownerid = $this->receivedWork[$wi]->uploader_id) > $dropbox_cnf['mailingIdBase']) {
-		    $ownerid = getUserOwningThisMailing($ownerid);
-		}
+        if (($ownerid = $this->receivedWork[$wi]->uploader_id) > $dropbox_cnf['mailingIdBase']) {
+            $ownerid = getUserOwningThisMailing($ownerid);
+        }
         api_item_property_update(
             $_course,
             TOOL_DROPBOX,
@@ -752,31 +752,31 @@ 
             $ownerid
         );
 
-	}
+    }
 
-	/**
-	 * Filter the received work
-	 * @param string $type
-	 * @param string $value
-	 */
-	function filter_received_work($type, $value)
+    /**
+     * Filter the received work
+     * @param string $type
+     * @param string $value
+     */
+    function filter_received_work($type, $value)
     {
         $dropbox_cnf = getDropboxConf();
-    	$new_received_work = array();
-		foreach ($this->receivedWork as $work) {
-			switch ($type) {
-				case 'uploader_id':
-					if ($work->uploader_id == $value ||
-						($work->uploader_id > $dropbox_cnf['mailingIdBase'] &&
+        $new_received_work = array();
+        foreach ($this->receivedWork as $work) {
+            switch ($type) {
+                case 'uploader_id':
+                    if ($work->uploader_id == $value ||
+                        ($work->uploader_id > $dropbox_cnf['mailingIdBase'] &&
                         getUserOwningThisMailing($work->uploader_id) == $value)
                     ) {
-						$new_received_work[] = $work;
-					}
-					break;
-				default:
-					$new_received_work[] = $work;
-			}
-		}
-		$this->receivedWork = $new_received_work;
-	}
+                        $new_received_work[] = $work;
+                    }
+                    break;
+                default:
+                    $new_received_work[] = $work;
+            }
+        }
+        $this->receivedWork = $new_received_work;
+    }
 }

main/exercice/export/aiken/aiken_classes.php

Doc Comments +4 added lines

@@ -10,6 +10,10 @@
 if ( count( get_included_files() ) == 1 ) die( '---' );
 
 if (!function_exists('mime_content_type')) {
+
+	/**
+	 * @param string $filename
+	 */
 	function mime_content_type($filename) {
 		return DocumentManager::file_get_mime_type((string)$filename);
 	}

Spacing +3 added lines, -3 removed lines

@@ -7,11 +7,11 @@ 
  * @package chamilo.exercise
  */
 
-if ( count( get_included_files() ) == 1 ) die( '---' );
+if (count(get_included_files()) == 1) die('---');
 
 if (!function_exists('mime_content_type')) {
 	function mime_content_type($filename) {
-		return DocumentManager::file_get_mime_type((string)$filename);
+		return DocumentManager::file_get_mime_type((string) $filename);
 	}
 }
 
@@ -25,7 +25,7 @@ 
      */
     function setAnswer()
     {
-        switch($this->type)
+        switch ($this->type)
         {
             case MCUA :
                 $answer = new AikenAnswerMultipleChoice($this->id);

Braces +3 added lines, -1 removed lines

@@ -7,7 +7,9 @@
  * @package chamilo.exercise
  */
 
-if ( count( get_included_files() ) == 1 ) die( '---' );
+if ( count( get_included_files() ) == 1 ) {
+    die( '---' );
+}
 
 if (!function_exists('mime_content_type')) {
 	function mime_content_type($filename) {

Indentation +6 added lines, -6 removed lines

@@ -10,9 +10,9 @@ 
 if ( count( get_included_files() ) == 1 ) die( '---' );
 
 if (!function_exists('mime_content_type')) {
-	function mime_content_type($filename) {
-		return DocumentManager::file_get_mime_type((string)$filename);
-	}
+    function mime_content_type($filename) {
+        return DocumentManager::file_get_mime_type((string)$filename);
+    }
 }
 
 /**
@@ -29,7 +29,7 @@ 
         {
             case MCUA :
                 $answer = new AikenAnswerMultipleChoice($this->id);
-            	return $answer;
+                return $answer;
             default :
                 $answer = null;
                 break;
@@ -38,11 +38,11 @@ 
     }
     function createAnswersForm($form)
     {
-    	return true;
+        return true;
     }
     function processAnswersCreation($form)
     {
-    	return true;
+        return true;
     }
 }
 

main/exercice/export/aiken/aiken_import.inc.php

Doc Comments +6 added lines, -1 removed lines

@@ -55,6 +55,8 @@ 
  * Gets the uploaded file (from $_FILES) and unzip it to the given directory
  * @param string The directory where to do the work
  * @param string The path of the temporary directory where the exercise was uploaded and unzipped
+ * @param string $baseWorkDir
+ * @param string $uploadPath
  * @return bool True on success, false on failure
  */
 function get_and_unzip_uploaded_exercise($baseWorkDir, $uploadPath) {
@@ -229,7 +231,10 @@ 
  * @param string Path to the directory with the file to be parsed (without final /)
  * @param string Name of the last directory part for the file (without /)
  * @param string Name of the file to be parsed (including extension)
- * @return mixed True on success, error message on error
+ * @param string $exercisePath
+ * @param string $file
+ * @param string $questionFile
+ * @return string|boolean True on success, error message on error
  * @assert ('','','') === false
  */
 function aiken_parse_file(&$exercise_info, $exercisePath, $file, $questionFile) {

Spacing +15 added lines, -15 removed lines

@@ -25,7 +25,7 @@ 
         $dir .= '/';
 
     do {
-        $path = $dir . $prefix . mt_rand(0, 9999999);
+        $path = $dir.$prefix.mt_rand(0, 9999999);
     } while (!mkdir($path, $mode));
 
     return $path;
@@ -38,10 +38,10 @@ 
 function aiken_display_form($msg = '') {
     $name_tools = get_lang('ImportAikenQuiz');
     $form  = '<div class="actions">';
-    $form .= '<a href="exercise.php?show=test">' . Display :: return_icon('back.png', get_lang('BackToExercisesList'),'',ICON_SIZE_MEDIUM).'</a>';
+    $form .= '<a href="exercise.php?show=test">'.Display :: return_icon('back.png', get_lang('BackToExercisesList'), '', ICON_SIZE_MEDIUM).'</a>';
     $form .= '</div>';
     $form .= $msg;
-    $form_validator  = new FormValidator('aiken_upload', 'post',api_get_self()."?".api_get_cidreq(), null, array('enctype' => 'multipart/form-data') );
+    $form_validator = new FormValidator('aiken_upload', 'post', api_get_self()."?".api_get_cidreq(), null, array('enctype' => 'multipart/form-data'));
     $form_validator->addElement('header', $name_tools);
     $form_validator->addElement('text', 'total_weight', get_lang('TotalWeight'));
     $form_validator->addElement('file', 'userFile', get_lang('DownloadFile'));
@@ -89,7 +89,7 @@ 
     global $record_item_body;
     // used to specify the question directory where files could be found in relation in any question
     global $questionTempDir;
-    $archive_path = api_get_path(SYS_ARCHIVE_PATH) . 'aiken';
+    $archive_path = api_get_path(SYS_ARCHIVE_PATH).'aiken';
     $baseWorkDir = $archive_path;
 
     if (!is_dir($baseWorkDir)) {
@@ -130,9 +130,9 @@ 
 
     // Parse every subdirectory to search txt question files
     while (false !== ($file = readdir($exerciseHandle))) {
-        if (is_dir($baseWorkDir . '/' . $file) && $file != "." && $file != "..") {
+        if (is_dir($baseWorkDir.'/'.$file) && $file != "." && $file != "..") {
             //find each manifest for each question repository found
-            $questionHandle = opendir($baseWorkDir . '/' . $file);
+            $questionHandle = opendir($baseWorkDir.'/'.$file);
             while (false !== ($questionFile = readdir($questionHandle))) {
                 if (preg_match('/.txt$/i', $questionFile)) {
                     $result = aiken_parse_file(
@@ -154,7 +154,7 @@ 
         $result = 'NoTxtFileFoundInTheZip';
     }
 
-    if ($result !== true ) {
+    if ($result !== true) {
         return $result;
     }
 
@@ -215,7 +215,7 @@ 
         }
 
         // Delete the temp dir where the exercise was unzipped
-        my_delete($baseWorkDir . $uploadPath);
+        my_delete($baseWorkDir.$uploadPath);
         $operation = $last_exercise_id;
     }
 
@@ -235,8 +235,8 @@ 
 function aiken_parse_file(&$exercise_info, $exercisePath, $file, $questionFile) {
     global $questionTempDir;
 
-    $questionTempDir = $exercisePath . '/' . $file . '/';
-    $questionFilePath = $questionTempDir . $questionFile;
+    $questionTempDir = $exercisePath.'/'.$file.'/';
+    $questionFilePath = $questionTempDir.$questionFile;
 
     if (!is_file($questionFilePath)) {
         return 'FileNotFound';
@@ -248,13 +248,13 @@ 
     $answers_array = array();
     $new_question = true;
     foreach ($data as $line => $info) {
-        if ($question_index > 0 && $new_question == true && preg_match('/^(\r)?\n/',$info)) {
+        if ($question_index > 0 && $new_question == true && preg_match('/^(\r)?\n/', $info)) {
             // double empty line
             continue;
         }
         $new_question = false;
         //make sure it is transformed from iso-8859-1 to utf-8 if in that form
-        if (!mb_check_encoding($info,'utf-8') && mb_check_encoding($info,'iso-8859-1')) {
+        if (!mb_check_encoding($info, 'utf-8') && mb_check_encoding($info, 'iso-8859-1')) {
             $info = utf8_encode($info);
         }
         $exercise_info['question'][$question_index]['type'] = 'MCUA';
@@ -286,7 +286,7 @@ 
         } elseif (preg_match('/^ETIQUETAS:\s?([A-Z])\s?/', $info, $matches)) {
             //TAGS for chamilo >= 1.10 (Spanish e-ducativa format)
             $exercise_info['question'][$question_index]['answer_tags'] = explode(',', $matches[1]);
-        } elseif (preg_match('/^(\r)?\n/',$info)) {
+        } elseif (preg_match('/^(\r)?\n/', $info)) {
             //moving to next question (tolerate \r\n or just \n)
             if (empty($exercise_info['question'][$question_index]['correct_answers'])) {
                 error_log('Aiken: Error in question index '.$question_index.': no correct answer defined');
@@ -306,7 +306,7 @@ 
                     $exercise_info['question'][$question_index]['title'] = $info;
                 } else {
                     //Question itself (use a 100-chars long title and a larger description)
-                    $exercise_info['question'][$question_index]['title'] = trim(substr($info, 0, 100)) . '...';
+                    $exercise_info['question'][$question_index]['title'] = trim(substr($info, 0, 100)).'...';
                     $exercise_info['question'][$question_index]['description'] = $info;
                 }
             } else {
@@ -316,7 +316,7 @@ 
     }
     $total_questions = count($exercise_info['question']);
     $total_weight = (!empty($_POST['total_weight'])) ? intval($_POST['total_weight']) : 20;
-    foreach  ($exercise_info['question'] as $key => $question) {
+    foreach ($exercise_info['question'] as $key => $question) {
         $exercise_info['question'][$key]['weighting'][current(array_keys($exercise_info['question'][$key]['weighting']))] = $total_weight / $total_questions;
     }
     return true;

Braces +5 added lines, -3 removed lines

@@ -10,8 +10,9 @@ 
 /**
  * Security check
  */
-if (count(get_included_files()) == 1)
+if (count(get_included_files()) == 1) {
     die('---');
+}
 
 /**
  * Creates a temporary directory
@@ -21,8 +22,9 @@ 
  * @return string
  */
 function tempdir($dir, $prefix = 'tmp', $mode = 0777) {
-    if (substr($dir, -1) != '/')
-        $dir .= '/';
+    if (substr($dir, -1) != '/') {
+            $dir .= '/';
+    }
 
     do {
         $path = $dir . $prefix . mt_rand(0, 9999999);

Indentation +1 added lines, -1 removed lines

@@ -281,7 +281,7 @@
             $correct_answer_index = array_search($matches[1], $answers_array);
             $exercise_info['question'][$question_index]['title'] = $matches[1];
         } elseif (preg_match('/^TAGS:\s?([A-Z])\s?/', $info, $matches)) {
-             //TAGS for chamilo >= 1.10
+                //TAGS for chamilo >= 1.10
             $exercise_info['question'][$question_index]['answer_tags'] = explode(',', $matches[1]);
         } elseif (preg_match('/^ETIQUETAS:\s?([A-Z])\s?/', $info, $matches)) {
             //TAGS for chamilo >= 1.10 (Spanish e-ducativa format)

main/exercice/export/exercise_import.inc.php

Doc Comments +5 added lines, -3 removed lines

@@ -30,6 +30,8 @@ 
  * Unzip the exercise in the temp folder
  * @param string The path of the temporary directory where the exercise was uploaded and unzipped
  * @param string
+ * @param string $baseWorkDir
+ * @param string $uploadPath
  * @return bool
  */
 function get_and_unzip_uploaded_exercise($baseWorkDir, $uploadPath)
@@ -217,9 +219,9 @@ 
 
 /**
  * Parses a given XML file and fills global arrays with the elements
- * @param $exercisePath
- * @param $file
- * @param $questionFile
+ * @param string $exercisePath
+ * @param string $file
+ * @param string $questionFile
  * @return bool
  */
 function parse_file($exercisePath, $file, $questionFile)

Spacing +18 added lines, -18 removed lines

@@ -20,7 +20,7 @@ 
     }
 
     do {
-        $path = $dir . $prefix . mt_rand(0, 9999999);
+        $path = $dir.$prefix.mt_rand(0, 9999999);
     } while (!mkdir($path, $mode));
 
     return $path;
@@ -74,7 +74,7 @@ 
     // used to specify the question directory where files could be found in relation in any question
     global $questionTempDir;
 
-    $archive_path = api_get_path(SYS_ARCHIVE_PATH) . 'qti2';
+    $archive_path = api_get_path(SYS_ARCHIVE_PATH).'qti2';
     $baseWorkDir = $archive_path;
 
     if (!is_dir($baseWorkDir)) {
@@ -118,14 +118,14 @@ 
     // parse every subdirectory to search xml question files
     while (false !== ($file = readdir($exerciseHandle))) {
 
-        if (is_dir($baseWorkDir . '/' . $file) && $file != "." && $file != "..") {
+        if (is_dir($baseWorkDir.'/'.$file) && $file != "." && $file != "..") {
 
             // Find each manifest for each question repository found
-            $questionHandle = opendir($baseWorkDir . '/' . $file);
+            $questionHandle = opendir($baseWorkDir.'/'.$file);
             while (false !== ($questionFile = readdir($questionHandle))) {
                 if (preg_match('/.xml$/i', $questionFile)) {
                     $result = parse_file($baseWorkDir, $file, $questionFile);
-                    $filePath = $baseWorkDir . $file;
+                    $filePath = $baseWorkDir.$file;
                     $file_found = true;
                 }
             }
@@ -133,7 +133,7 @@ 
 
             // Else ignore file
             $result = parse_file($baseWorkDir, '', $file);
-            $filePath = $baseWorkDir . '/' . $file;
+            $filePath = $baseWorkDir.'/'.$file;
             $file_found = true;
         }
     }
@@ -200,7 +200,7 @@ 
         }
 
         // delete the temp dir where the exercise was unzipped
-        my_delete($baseWorkDir . $uploadPath);
+        my_delete($baseWorkDir.$uploadPath);
         return $last_exercise_id;
     }
 
@@ -228,8 +228,8 @@ 
     global $record_item_body;
     global $questionTempDir;
 
-    $questionTempDir = $exercisePath . '/' . $file . '/';
-    $questionFilePath = $questionTempDir . $questionFile;
+    $questionTempDir = $exercisePath.'/'.$file.'/';
+    $questionFilePath = $questionTempDir.$questionFile;
 
     if (!($fp = fopen($questionFilePath, 'r'))) {
         Display:: display_error_message(get_lang('Error opening question\'s XML file'));
@@ -326,10 +326,10 @@ 
     if ($record_item_body) {
 
         if ((!in_array($current_element, $non_HTML_tag_to_avoid))) {
-            $current_question_item_body .= "<" . $name;
+            $current_question_item_body .= "<".$name;
 
             foreach ($attributes as $attribute_name => $attribute_value) {
-                $current_question_item_body .= " " . $attribute_name . "=\"" . $attribute_value . "\"";
+                $current_question_item_body .= " ".$attribute_name."=\"".$attribute_value."\"";
             }
             $current_question_item_body .= ">";
         } else {
@@ -338,11 +338,11 @@ 
 
             if ($current_element == 'INLINECHOICEINTERACTION') {
 
-                $current_question_item_body .= "**claroline_start**" . $attributes['RESPONSEIDENTIFIER'] . "**claroline_end**";
+                $current_question_item_body .= "**claroline_start**".$attributes['RESPONSEIDENTIFIER']."**claroline_end**";
             }
             if ($current_element == 'TEXTENTRYINTERACTION') {
                 $correct_answer_value = $exercise_info['question'][$current_question_ident]['correct_answers'][$current_answer_id];
-                $current_question_item_body .= "[" . $correct_answer_value . "]";
+                $current_question_item_body .= "[".$correct_answer_value."]";
 
             }
             if ($current_element == 'BR') {
@@ -457,7 +457,7 @@ 
     //treat the record of the full content of itembody tag :
 
     if ($record_item_body && (!in_array($current_element, $non_HTML_tag_to_avoid))) {
-        $current_question_item_body .= "</" . $name . ">";
+        $current_question_item_body .= "</".$name.">";
     }
 
     switch ($name) {
@@ -515,14 +515,14 @@ 
             if (!isset ($exercise_info['question'][$current_question_ident]['answer'][$current_answer_id]['value'])) {
                 $exercise_info['question'][$current_question_ident]['answer'][$current_answer_id]['value'] = trim($data);
             } else {
-                $exercise_info['question'][$current_question_ident]['answer'][$current_answer_id]['value'] .= '' . trim($data);
+                $exercise_info['question'][$current_question_ident]['answer'][$current_answer_id]['value'] .= ''.trim($data);
             }
             break;
         case 'FEEDBACKINLINE':
             if (!isset ($exercise_info['question'][$current_question_ident]['answer'][$current_answer_id]['feedback'])) {
                 $exercise_info['question'][$current_question_ident]['answer'][$current_answer_id]['feedback'] = trim($data);
             } else {
-                $exercise_info['question'][$current_question_ident]['answer'][$current_answer_id]['feedback'] .= ' ' . trim($data);
+                $exercise_info['question'][$current_question_ident]['answer'][$current_answer_id]['feedback'] .= ' '.trim($data);
             }
             break;
         case 'SIMPLEASSOCIABLECHOICE':
@@ -546,8 +546,8 @@ 
             $answer_identifier = $exercise_info['question'][$current_question_ident]['correct_answers'][$current_answer_id];
             if ($current_inlinechoice_id == $answer_identifier) {
                 $current_question_item_body = str_replace(
-                    "**claroline_start**" . $current_answer_id . "**claroline_end**",
-                    "[" . $data . "]",
+                    "**claroline_start**".$current_answer_id."**claroline_end**",
+                    "[".$data."]",
                     $current_question_item_body
                 );
             } else {