chamilo / chamilo-lms

main/gradebook/gradebook_scoring_system.php

Spacing +13 added lines, -13 removed lines

@@ -13,7 +13,7 @@ 
     api_not_allowed();
 }
 
-$htmlHeadXtra[]= '<script>
+$htmlHeadXtra[] = '<script>
 function plusItem(item) {
     document.getElementById(item).style.display = "inline";
     document.getElementById("plus-"+item).style.display = "none";
@@ -45,10 +45,10 @@ 
 );
 
 $select_cat = intval($_GET['selectcat']);
-$displayscore= ScoreDisplay :: instance();
+$displayscore = ScoreDisplay :: instance();
 $customdisplays = $displayscore->get_custom_score_display_settings();
 
-$nr_items = (count($customdisplays) != '0' )? count($customdisplays) : '1';
+$nr_items = (count($customdisplays) != '0') ? count($customdisplays) : '1';
 $scoreform = new ScoreDisplayForm(
     'scoring_system_form',
     api_get_self().'?selectcat='.$select_cat.'&'.api_get_cidreq()
@@ -57,18 +57,18 @@ 
 if ($scoreform->validate()) {
     $value_export = '';
     $value_export = $scoreform->exportValues();
-    $value_export = isset($value_export) ? $scoreform->exportValues(): '';
+    $value_export = isset($value_export) ? $scoreform->exportValues() : '';
     $values = $value_export;
 
     // create new array of custom display settings
     // this loop also checks if all score ranges are unique
 
-    $scoringdisplay= array ();
+    $scoringdisplay = array();
     $ranges_ok = true;
-    $endscore= isset($values['endscore']) ? $values['endscore'] : null;
-    $displaytext=isset($values['displaytext']) ? $values['displaytext'] : null;
-    for ($counter= 1; $ranges_ok && $counter <= 20; $counter++) {
-        $setting= array ();
+    $endscore = isset($values['endscore']) ? $values['endscore'] : null;
+    $displaytext = isset($values['displaytext']) ? $values['displaytext'] : null;
+    for ($counter = 1; $ranges_ok && $counter <= 20; $counter++) {
+        $setting = array();
         $setting['score'] = $endscore[$counter];
         $setting['display'] = $displaytext[$counter];
         if (!empty($setting['score'])) {
@@ -77,12 +77,12 @@ 
                     $ranges_ok = false;
                 }
             }
-            $scoringdisplay[]= $setting;
+            $scoringdisplay[] = $setting;
         }
     }
 
     if (!$ranges_ok) {
-        header('Location: ' . api_get_self() . '?nouniqueranges=&selectcat=' . $select_cat.'&'.api_get_cidreq());
+        header('Location: '.api_get_self().'?nouniqueranges=&selectcat='.$select_cat.'&'.api_get_cidreq());
         exit;
     }
 
@@ -102,8 +102,8 @@ 
 $this_section = SECTION_COURSES;
 Display :: display_header(get_lang('ScoreEdit'));
 
-if (((isset($_GET['isStudentView']) && $_GET['isStudentView']=='false') ||
-    (isset($_GET['selectcat']) && ($_SESSION['studentview']=='teacherview')))
+if (((isset($_GET['isStudentView']) && $_GET['isStudentView'] == 'false') ||
+    (isset($_GET['selectcat']) && ($_SESSION['studentview'] == 'teacherview')))
 ) {
     if (isset ($_GET['scoringupdated'])) {
         Display::display_confirmation_message(get_lang('ScoringUpdated'), false);

main/gradebook/gradebook_edit_all.php

Spacing +1 added lines, -1 removed lines

@@ -79,7 +79,7 @@
 
 $submitted = isset($_POST['submitted']) ? $_POST['submitted'] : '';
 if ($submitted == 1) {
-    Display :: display_confirmation_message(get_lang('GradebookWeightUpdated')) . '<br /><br />';
+    Display :: display_confirmation_message(get_lang('GradebookWeightUpdated')).'<br /><br />';
     if (isset($_POST['evaluation'])) {
         $eval_log = new Evaluation();
     }

main/gradebook/my_certificates.php

Spacing +1 added lines, -1 removed lines

@@ -36,7 +36,7 @@
         'actions',
         Display::toolbarButton(
             get_lang('SearchCertificates'),
-            api_get_path(WEB_CODE_PATH) . "gradebook/search.php",
+            api_get_path(WEB_CODE_PATH)."gradebook/search.php",
             'search',
             'info'
         )

main/gradebook/user_stats.php

Spacing +13 added lines, -13 removed lines

@@ -16,7 +16,7 @@ 
 if (!$isDrhOfCourse) {
     GradebookUtils::block_students();
 }
-$interbreadcrumb[]= array (
+$interbreadcrumb[] = array(
     'url' => $_SESSION['gradebook_dest'],
     'name' => get_lang('Gradebook'
 ));
@@ -27,12 +27,12 @@ 
 $alllinks = $category[0]->get_links($my_user_id, true);
 
 if ($_GET['selectcat'] != null) {
-    $addparams= array (
+    $addparams = array(
         'userid' => $my_user_id,
         'selectcat' => Security::remove_XSS($_GET['selectcat'])
     );
 } else {
-    $addparams= array (
+    $addparams = array(
         'userid' => $my_user_id,
         'selecteval' => Security::remove_XSS($_GET['selecteval'])
     );
@@ -49,7 +49,7 @@ 
         $newarray[] = array_slice($data, 1);
     }
     $userinfo = api_get_user_info($my_user_id);
-    $html .= get_lang('Results').' : '.api_get_person_name($userinfo['firstname'], $userinfo['lastname']).' ('. api_convert_and_format_date(null, DATE_FORMAT_SHORT). ' ' . api_convert_and_format_date(null, TIME_NO_SEC_FORMAT) .')';
+    $html .= get_lang('Results').' : '.api_get_person_name($userinfo['firstname'], $userinfo['lastname']).' ('.api_convert_and_format_date(null, DATE_FORMAT_SHORT).' '.api_convert_and_format_date(null, TIME_NO_SEC_FORMAT).')';
 
     if ($displayscore->is_custom()) {
         $header_names = array(
@@ -95,23 +95,23 @@ 
 $actions = '<div class="actions">';
 
 if (isset($_GET['selectcat'])) {
-    $interbreadcrumb[]= array ('url' => 'gradebook_flatview.php?selectcat=' . Security::remove_XSS($_GET['selectcat']), 'name' => get_lang('FlatView'));
-    $actions.= '<a href=gradebook_flatview.php?selectcat=' .Security::remove_XSS($_GET['selectcat']) . '>' . Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('FlatView'),'',ICON_SIZE_MEDIUM).'</a>';
+    $interbreadcrumb[] = array('url' => 'gradebook_flatview.php?selectcat='.Security::remove_XSS($_GET['selectcat']), 'name' => get_lang('FlatView'));
+    $actions .= '<a href=gradebook_flatview.php?selectcat='.Security::remove_XSS($_GET['selectcat']).'>'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('FlatView'), '', ICON_SIZE_MEDIUM).'</a>';
 }
 
 if (isset ($_GET['selecteval'])) {
-    $interbreadcrumb[]= array (
-        'url' => 'gradebook_view_result.php?selecteval=' . Security::remove_XSS($_GET['selecteval']),
+    $interbreadcrumb[] = array(
+        'url' => 'gradebook_view_result.php?selecteval='.Security::remove_XSS($_GET['selecteval']),
         'name' => get_lang('ViewResult'
     ));
-    $actions.= '<a href=gradebook_view_result.php?selecteval=' . Security::remove_XSS($_GET['selecteval']) . '>
-	'.Display::return_icon('back.png', get_lang('BackToEvaluation'),'',ICON_SIZE_MEDIUM).'</a>';
+    $actions .= '<a href=gradebook_view_result.php?selecteval='.Security::remove_XSS($_GET['selecteval']).'>
+	'.Display::return_icon('back.png', get_lang('BackToEvaluation'), '', ICON_SIZE_MEDIUM).'</a>';
 }
 
-$actions.= '<a href="' . api_get_self() . '?exportpdf=&userid='.Security::remove_XSS($_GET['userid']).'&selectcat=' . $category[0]->get_id() . '" target="_blank">
-' . Display::return_icon('pdf.png', get_lang('ExportPDF'),'',ICON_SIZE_MEDIUM).'</a>';
+$actions .= '<a href="'.api_get_self().'?exportpdf=&userid='.Security::remove_XSS($_GET['userid']).'&selectcat='.$category[0]->get_id().'" target="_blank">
+' . Display::return_icon('pdf.png', get_lang('ExportPDF'), '', ICON_SIZE_MEDIUM).'</a>';
 
-$actions.='</div>';
+$actions .= '</div>';
 
 Display :: display_header(get_lang('ResultsPerUser'));
 echo $actions;

main/gradebook/gradebook_add_eval.php

Spacing +6 added lines, -6 removed lines

@@ -30,7 +30,7 @@ 
     null,
     'add_eval_form',
     null,
-    api_get_self() . '?selectcat=' . $select_cat.'&'.api_get_cidreq()
+    api_get_self().'?selectcat='.$select_cat.'&'.api_get_cidreq()
 );
 
 if ($form->validate()) {
@@ -69,23 +69,23 @@ 
             //header('Location: gradebook_add_user.php?selecteval=' . $eval->get_id());
             exit;
         } else {
-            header('Location: ' . Security::remove_XSS($_SESSION['gradebook_dest']) . '?selectcat=' . $eval->get_category_id().'&'.api_get_cidreq());
+            header('Location: '.Security::remove_XSS($_SESSION['gradebook_dest']).'?selectcat='.$eval->get_category_id().'&'.api_get_cidreq());
             exit;
         }
     } else {
         $val_addresult = isset($values['addresult']) ? $values['addresult'] : null;
         if ($val_addresult == 1) {
-            header('Location: gradebook_add_result.php?selecteval=' . $eval->get_id().'&'.api_get_cidreq());
+            header('Location: gradebook_add_result.php?selecteval='.$eval->get_id().'&'.api_get_cidreq());
             exit;
         } else {
-            header('Location: ' . Security::remove_XSS($_SESSION['gradebook_dest']) . '?selectcat=' . $eval->get_category_id().'&'.api_get_cidreq());
+            header('Location: '.Security::remove_XSS($_SESSION['gradebook_dest']).'?selectcat='.$eval->get_category_id().'&'.api_get_cidreq());
             exit;
         }
     }
 }
 
 $interbreadcrumb[] = array(
-    'url' => Security::remove_XSS($_SESSION['gradebook_dest']) . '?selectcat=' . $select_cat.'&'.api_get_cidreq(),
+    'url' => Security::remove_XSS($_SESSION['gradebook_dest']).'?selectcat='.$select_cat.'&'.api_get_cidreq(),
     'name' => get_lang('Gradebook'))
 ;
 $this_section = SECTION_COURSES;
@@ -96,7 +96,7 @@ 
        $("#hid_category_id option:selected").each(function () {
            var cat_id = $(this).val();
             $.ajax({
-                url: "' . api_get_path(WEB_AJAX_PATH) . 'gradebook.ajax.php?a=get_gradebook_weight",
+                url: "' . api_get_path(WEB_AJAX_PATH).'gradebook.ajax.php?a=get_gradebook_weight",
                 data: "cat_id="+cat_id,
                 success: function(return_value) {
                     if (return_value != 0 ) {

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

Spacing +10 added lines, -10 removed lines

@@ -52,15 +52,15 @@ 
      */
     protected function build_move_form()
     {
-        $renderer =& $this->defaultRenderer();
+        $renderer = & $this->defaultRenderer();
         $renderer->setCustomElementTemplate('<span>{element}</span> ');
         $this->addElement(
             'static',
             null,
             null,
-            '"' . $this->category_object->get_name() . '" '
+            '"'.$this->category_object->get_name().'" '
         );
-        $this->addElement('static', null, null, get_lang('MoveTo') . ' : ');
+        $this->addElement('static', null, null, get_lang('MoveTo').' : ');
         $select = $this->addElement('select', 'move_cat', null, null);
         $line = null;
         foreach ($this->category_object->get_target_categories() as $cat) {
@@ -68,9 +68,9 @@ 
                 $line .= '--';
             }
             if ($cat[0] != $this->category_object->get_parent_id()) {
-                $select->addoption($line . ' ' . $cat[1], $cat[0]);
+                $select->addoption($line.' '.$cat[1], $cat[0]);
             } else {
-                $select->addoption($line . ' ' . $cat[1], $cat[0], 'disabled');
+                $select->addoption($line.' '.$cat[1], $cat[0], 'disabled');
             }
             $line = '';
         }
@@ -153,7 +153,7 @@ 
         $grade_model_id = $this->category_object->get_grade_model_id();
 
         if (empty($links)) {
-            $grade_model_id    = 0;
+            $grade_model_id = 0;
         }
 
         $category_name = $this->category_object->get_name();
@@ -242,7 +242,7 @@ 
                     [
                         'id' => 'skills',
                         'multiple' => 'multiple',
-                        'url' => api_get_path(WEB_AJAX_PATH) . 'skill.ajax.php?a=search_skills'
+                        'url' => api_get_path(WEB_AJAX_PATH).'skill.ajax.php?a=search_skills'
                     ]
                 );
 
@@ -400,14 +400,14 @@ 
         //only return courses that are not yet created by the teacher
 
         foreach ($coursecat as $row) {
-            $select->addoption($row[1],$row[0]);
+            $select->addoption($row[1], $row[0]);
         }
         $this->setDefaults(array(
             'hid_user_id' => $this->category_object->get_user_id(),
             'hid_parent_id' => $this->category_object->get_parent_id()
         ));
-        $this->addElement('hidden','hid_user_id');
-        $this->addElement('hidden','hid_parent_id');
+        $this->addElement('hidden', 'hid_user_id');
+        $this->addElement('hidden', 'hid_parent_id');
         $this->addElement('submit', null, get_lang('Ok'));
     }
 

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

Spacing +15 added lines, -15 removed lines

@@ -201,9 +201,9 @@ 
             $myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
             $chartHash = $myCache->getHash($dataSet);
             if ($myCache->isInCache($chartHash)) {
-                $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+                $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
                 $myCache->saveFromCache($chartHash, $imgPath);
-                $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+                $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
             } else {
                 /* Create the pChart object */
                 $widthSize = 480;
@@ -230,7 +230,7 @@ 
                 /* Set the default font */
                 $myPicture->setFontProperties(
                     array(
-                        'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
+                        'FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf',
                         'FontSize' => 10
                     )
                 );
@@ -302,11 +302,11 @@ 
                 /* Render the picture (choose the best way) */
 
                 $myCache->writeToCache($chartHash, $myPicture);
-                $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+                $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
                 $myCache->saveFromCache($chartHash, $imgPath);
-                $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+                $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
             }
-            echo '<img src="' . $imgPath . '" >';
+            echo '<img src="'.$imgPath.'" >';
             if ($i % 2 == 0 && $i != 0) {
                 echo '<br /><br />';
             } else {
@@ -349,10 +349,10 @@ 
             // previous X
             $header .= '<td style="width:100%;">';
             if ($this->offset >= GRADEBOOK_ITEM_LIMIT) {
-                $header .= '<a href="' . api_get_self()
-                    . '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
-                    . '&offset=' . (($this->offset) - GRADEBOOK_ITEM_LIMIT)
-                    . (isset($_GET['search']) ? '&search=' . Security::remove_XSS($_GET['search']) : '') . '">'
+                $header .= '<a href="'.api_get_self()
+                    . '?selectcat='.Security::remove_XSS($_GET['selectcat'])
+                    . '&offset='.(($this->offset) - GRADEBOOK_ITEM_LIMIT)
+                    . (isset($_GET['search']) ? '&search='.Security::remove_XSS($_GET['search']) : '').'">'
                     . Display::return_icon('action_prev.png', get_lang('PreviousPage'), array(), 32)
                     . '</a>';
             } else {
@@ -364,10 +364,10 @@ 
                 ($totalitems - (GRADEBOOK_ITEM_LIMIT + $this->offset)) : GRADEBOOK_ITEM_LIMIT;
 
             if ($calcnext > 0) {
-                $header .= '<a href="' . api_get_self()
-                    . '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
-                    . '&offset=' . ($this->offset + GRADEBOOK_ITEM_LIMIT)
-                    . (isset($_GET['search']) ? '&search=' . Security::remove_XSS($_GET['search']) : '') . '">'
+                $header .= '<a href="'.api_get_self()
+                    . '?selectcat='.Security::remove_XSS($_GET['selectcat'])
+                    . '&offset='.($this->offset + GRADEBOOK_ITEM_LIMIT)
+                    . (isset($_GET['search']) ? '&search='.Security::remove_XSS($_GET['search']) : '').'">'
                     . Display::return_icon('action_next.png', get_lang('NextPage'), array(), 32)
                     . '</a>';
             } else {
@@ -475,6 +475,6 @@ 
      */
     private function build_name_link($user_id, $name)
     {
-        return '<a href="user_stats.php?userid=' . $user_id . '&selectcat=' . $this->selectcat->get_id() . '&'.api_get_cidreq().'">' . $name . '</a>';
+        return '<a href="user_stats.php?userid='.$user_id.'&selectcat='.$this->selectcat->get_id().'&'.api_get_cidreq().'">'.$name.'</a>';
     }
 }

main/gradebook/lib/scoredisplay.class.php

Spacing +18 added lines, -18 removed lines

@@ -34,7 +34,7 @@ 
     /**
      * Compare the custom display of 2 scores, can be useful in sorting
      */
-    public static function compare_scores_by_custom_display ($score1, $score2)
+    public static function compare_scores_by_custom_display($score1, $score2)
     {
         if (!isset($score1)) {
             return (isset($score2) ? 1 : 0);
@@ -47,7 +47,7 @@ 
             if ($custom1 == $custom2) {
                 return 0;
             } else {
-                return (($score1[0]/$score1[1]) < ($score2[0]/$score2[1]) ? -1 : 1);
+                return (($score1[0] / $score1[1]) < ($score2[0] / $score2[1]) ? -1 : 1);
             }
         }
     }
@@ -79,7 +79,7 @@ 
         //Setting custom enabled
         $value = api_get_setting('gradebook_score_display_custom');
         $value = $value['my_display_custom'];
-        $this->custom_enabled  = $value == 'true' ? true : false;
+        $this->custom_enabled = $value == 'true' ? true : false;
 
         if ($this->custom_enabled) {
             $params = array('category = ?' =>  array('Gradebook'));
@@ -96,10 +96,10 @@ 
                 sort($portal_displays);
             }
             $this->custom_display = $portal_displays;
-            if (count($this->custom_display)>0) {
+            if (count($this->custom_display) > 0) {
                 $value = api_get_setting('gradebook_score_display_upperlimit');
                 $value = $value['my_display_upperlimit'];
-                $this->upperlimit_included  = $value == 'true' ? true : false;
+                $this->upperlimit_included = $value == 'true' ? true : false;
                 $this->custom_display_conv = $this->convert_displays($this->custom_display);
             }
         }
@@ -110,7 +110,7 @@ 
             //Load course settings
             if ($this->custom_enabled) {
                 $this->custom_display = $this->get_custom_displays();
-                if (count($this->custom_display)> 0) {
+                if (count($this->custom_display) > 0) {
                     $this->custom_display_conv = $this->convert_displays($this->custom_display);
                 }
             }
@@ -182,7 +182,7 @@ 
         }
 
         $sql = 'SELECT id FROM '.$tbl_gradebook_category.'
-                WHERE course_code = "'.$curr_course_code.'" '. $session_condition;
+                WHERE course_code = "'.$curr_course_code.'" '.$session_condition;
         $rs  = Database::query($sql);
         $category_id = 0;
         if (Database::num_rows($rs) > 0) {
@@ -251,7 +251,7 @@ 
         );
 
         $tbl_display = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_SCORE_DISPLAY);
-        foreach($display as $value => $text) {
+        foreach ($display as $value => $text) {
             $params = array(
                 'score' => $value,
                 'display' => $text,
@@ -307,7 +307,7 @@ 
         $my_score = $score == 0 ? 1 : $score;
 
         if ($type == SCORE_BAR) {
-            $percentage = $my_score[0]/$my_score[1]*100;
+            $percentage = $my_score[0] / $my_score[1] * 100;
 
             return Display::bar_progress($percentage);
         }
@@ -348,7 +348,7 @@ 
             case SCORE_PERCENT :                        // XX %
                 return $this->display_as_percent($score);
             case SCORE_DIV_PERCENT :                    // X / Y (XX %)
-                return $this->display_as_div($score).' (' . $this->display_as_percent($score) . ')';
+                return $this->display_as_div($score).' ('.$this->display_as_percent($score).')';
             case SCORE_AVERAGE :                        // XX %
                 return $this->display_as_percent($score);
             case SCORE_DECIMAL :                        // 0.50  (X/Y)
@@ -358,7 +358,7 @@ 
                 if (!empty($custom)) {
                     $custom = ' - '.$custom;
                 }
-                return $this->display_as_div($score).' (' . $this->display_as_percent($score) . ')'.$custom;
+                return $this->display_as_div($score).' ('.$this->display_as_percent($score).')'.$custom;
             case SCORE_DIV_SIMPLE_WITH_CUSTOM :         // X - Good!
                 $custom = $this->display_custom($score);
 
@@ -410,9 +410,9 @@ 
      */
     private function display_as_decimal($score)
     {
-        $score_denom = ($score[1]==0) ? 1 : $score[1];
+        $score_denom = ($score[1] == 0) ? 1 : $score[1];
 
-        return $this->format_score($score[0]/$score_denom);
+        return $this->format_score($score[0] / $score_denom);
     }
 
     /**
@@ -420,9 +420,9 @@ 
      */
     private function display_as_percent($score)
     {
-        $score_denom = ($score[1]==0) ? 1 : $score[1];
+        $score_denom = ($score[1] == 0) ? 1 : $score[1];
 
-        return $this->format_score($score[0]/$score_denom*100) . ' %';
+        return $this->format_score($score[0] / $score_denom * 100).' %';
     }
 
     /**
@@ -438,7 +438,7 @@ 
         } else {
             $score[0] = isset($score[0]) ? $this->format_score($score[0]) : 0;
             $score[1] = isset($score[1]) ? $this->format_score($score[1]) : 0;
-            return  $score[0] . ' / ' . $score[1];
+            return  $score[0].' / '.$score[1];
         }
     }
 
@@ -448,7 +448,7 @@ 
      */
     private function display_custom($score)
     {
-        $my_score_denom= ($score[1]==0) ? 1 : $score[1];
+        $my_score_denom = ($score[1] == 0) ? 1 : $score[1];
         $scaledscore = $score[0] / $my_score_denom;
         if ($this->upperlimit_included) {
             foreach ($this->custom_display_conv as $displayitem) {
@@ -512,7 +512,7 @@ 
                 ORDER BY score';
         $result = Database::query($sql);
 
-        return Database::store_result($result,'ASSOC');
+        return Database::store_result($result, 'ASSOC');
     }
 
     /**

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

Spacing +11 added lines, -11 removed lines

@@ -51,8 +51,8 @@ 
 
         $result = Database::query($sql);
         $cats = array();
-        while ($data=Database::fetch_array($result)) {
-            $cats[] = array ($data['id'], $data['title']);
+        while ($data = Database::fetch_array($result)) {
+            $cats[] = array($data['id'], $data['title']);
         }
 
         return $cats;
@@ -116,15 +116,15 @@ 
         $cats = array();
         if (isset($result)) {
             if (Database::num_rows($result) > 0) {
-                while ($data=Database::fetch_array($result)) {
-                    $cats[] = array ($data['id'], $data['title']);
+                while ($data = Database::fetch_array($result)) {
+                    $cats[] = array($data['id'], $data['title']);
                 }
             }
         }
 
         if (isset($result2)) {
             if (Database::num_rows($result2) > 0) {
-                while ($row=Database::fetch_array($result2)) {
+                while ($row = Database::fetch_array($result2)) {
                     /*$path = $data['path'];
                     $fname = GetQuizName($path,$documentPath);
         			$cats[] = array ($data['id'], $fname);*/
@@ -170,9 +170,9 @@ 
                 WHERE
                     session_id = $session_id AND
                     c_id = $course_id AND
-                    exe_exo_id   = ".(int)$this->get_ref_id();
+                    exe_exo_id   = ".(int) $this->get_ref_id();
         $result = Database::query($sql);
-        $number=Database::fetch_row($result);
+        $number = Database::fetch_row($result);
         return ($number[0] != 0);
     }
 
@@ -254,7 +254,7 @@ 
         } else {
             // all students -> get average
             // normal way of getting the info
-            $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
             $student_count = 0;
             $sum = 0;
@@ -289,7 +289,7 @@ 
                         /*if (empty($count)) {
                             return null;
                         }*/
-                        return array($sumResult/$count , $weight);
+                        return array($sumResult / $count, $weight);
                         break;
                     case 'ranking':
                         return AbstractLink::getCurrentUserRanking($stud_id, $students);
@@ -319,7 +319,7 @@ 
         $session_id = api_get_session_id();
 
         $url = api_get_path(WEB_CODE_PATH).'gradebook/exercise_jump.php?session_id='.$session_id.'&cidReq='.$this->get_course_code().'&gradebook=view&exerciseId='.$this->get_ref_id().'&type='.$this->get_type();
-        if ((!api_is_allowed_to_edit() && $this->calc_score(api_get_user_id()) == null) || $status_user!=1) {
+        if ((!api_is_allowed_to_edit() && $this->calc_score(api_get_user_id()) == null) || $status_user != 1) {
             $url .= '&doexercise='.$this->get_ref_id();
         }
 
@@ -364,7 +364,7 @@ 
     public function is_valid_link()
     {
         $sql = 'SELECT count(id) from '.$this->get_exercise_table().'
-                WHERE c_id = '.$this->course_id.' AND id = '.(int)$this->get_ref_id().' ';
+                WHERE c_id = '.$this->course_id.' AND id = '.(int) $this->get_ref_id().' ';
         $result = Database::query($sql);
         $number = Database::fetch_row($result);