HFP-1871 Fix sanitization of containsMath

2018-07-30 14:52:36 +02:00 · 2018-07-30 14:52:36 +02:00 · d068b82ff5
parent 9314c55994
commit d068b82ff5
1 changed files with 1 additions and 1 deletions
--- a/h5p.classes.php
+++ b/h5p.classes.php
@ -2046,7 +2046,7 @@ class H5PCore {
   * @return {boolean} True, if params contain math.
   */
  private function containsMath ($params, $mathPattern, $found = false) {
-    if (!isset($mathPattern) == NULL) {
+    if (!isset($mathPattern)) {
      $mathPattern = '/\$\$.+\$\$|\\\[.+\\\]|\\\(.+\\\)/';
    }
    foreach($params as $property => $value) {