Do not crash if not match is found

DeuxHuitHuit · Mar 8, 2016 · 77b1cd2 · 77b1cd2
1 parent 40cb7bd
commit 77b1cd2
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/fields/field.link_preview.php b/fields/field.link_preview.php
@@ -225,11 +225,14 @@ private function applyFormat($entryId, $format, $sectionId) {
 			// Extract needed schema
 			$element_names = array();
 			$element_count = preg_match_all($element_names_regexp, $format, $element_names);
-			if ($element_count > 0) {
+			if ($element_count > 0 && !empty($element_names[1])) {
 				$element_names = array_map(function ($element) {
 					return current(explode(':', $element));
 				}, $element_names[1]); // index 1 are captures
 			}
+			else {
+				$element_names = array();
+			}
 
 			// Get all the data for this entry
 			$entryData = EntryManager::fetch($entryId, null, 1, 0, null, null, false, true, $element_names, false);