Merge pull request #102 from rasmusbe/patch-1

Fix warnings when input is empty in clean_style_tag
roots · Sep 23, 2015 · 9e9f42a · 9e9f42a
2 parents 9a23925 + 8904567
commit 9e9f42a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/modules/clean-up.php b/modules/clean-up.php
@@ -99,6 +99,9 @@ function language_attributes() {
  */
 function clean_style_tag($input) {
   preg_match_all("!<link rel='stylesheet'\s?(id='[^']+')?\s+href='(.*)' type='text/css' media='(.*)' />!", $input, $matches);
+  if (empty($matches[2])) {
+    return $input;
+  }
   // Only display media if it is meaningful
   $media = $matches[3][0] !== '' && $matches[3][0] !== 'all' ? ' media="' . $matches[3][0] . '"' : '';
   return '<link rel="stylesheet" href="' . $matches[2][0] . '"' . $media . '>' . "\n";