Return the images from the HTML text of the question and answer, if a…

…vailable
sloodle · Nov 3, 2012 · 55181fc · 55181fc
1 parent 1bc87db
commit 55181fc
Show file tree

Hide file tree

Showing 2 changed files with 19 additions and 2 deletions.
diff --git a/lib/general.php b/lib/general.php
@@ -1013,6 +1013,18 @@ function sloodle_clean_for_output($str)
         return sloodle_strip_new_lines(strip_tags(stripcslashes(@html_entity_decode($str, ENT_QUOTES, 'UTF-8'))));
     }
 
+    /**
+    * Returns the src of the first <img> tag found in the html
+    * @param string str The string to clean.
+    * @return string
+    */
+    function sloodle_extract_first_image_url($html) {
+        if (preg_match("/<img .*?(?=src)src=\"([^\"]+)\"/si", $html, $m)) {
+            return $m[1];
+        }
+        return '';
+    }
+
     /**
     * Returns the given string with new line characters removed
     * Removes new line characters

diff --git a/mod/quiz-1.0/linker_moodle_2_0_down.php b/mod/quiz-1.0/linker_moodle_2_0_down.php
@@ -406,6 +406,7 @@
         /// Print all the questions
         $number = quiz_first_questionnumber($attempt->layout, $pagelist);
         foreach ($pagequestions as $i) {
+
             $options = quiz_get_renderoptions($quiz->review, $states[$i]);
             // Print the question
             // var_dump($questions[$i]);
@@ -433,7 +434,8 @@
                     $q->maxgrade,
                     $q->single,
                     $shuffleanswers,
-                    0 //$deferred   // This variable doesn't seem to be mentioned anywhere else in the file
+                    0, //$deferred   // This variable doesn't seem to be mentioned anywhere else in the file
+                    sloodle_extract_first_image_url($q->questiontext)
                 );
 
                 // Create an output array for our options (available answers) so that we can shuffle them later if necessary
@@ -451,7 +453,9 @@
                         $ov->question,
                         sloodle_clean_for_output($ov->answer),
                         $ov->fraction,
-                        sloodle_clean_for_output($ov->feedback)
+                        sloodle_clean_for_output($ov->feedback),
+                        sloodle_extract_first_image_url($ov->answer),
+                        sloodle_extract_first_image_url($ov->feedback)
                       );
                    }
                 }
@@ -466,6 +470,7 @@
             $number += $questions[$i]->length;
         }
 
+
         $secondsleft = ($quiz->timeclose ? $quiz->timeclose : 999999999999) - time();
         //if ($isteacher) {
         //  // For teachers ignore the quiz closing time