Checking if we have headers (#2).

2020-05-09 11:58:28 +02:00 · 2020-05-09 11:58:28 +02:00 · 7fdc36425d
parent 19d2f29092
commit 7fdc36425d
1 changed files with 4 additions and 0 deletions
--- a/extended-toc.php
+++ b/extended-toc.php
@ -433,6 +433,10 @@ if( !class_exists('ExToC') ) {
    private function exctract_headings($pagenum) {
      /** find all header tags within the page **/
      preg_match_all('/(<h([1-6]{1})[^>]*>).*<\/h\2>/msuU', $this->pages[$pagenum-1], $matches, PREG_SET_ORDER);
+      
+      if (count($matches) == 0) {
+          return null;
+      }

 			/** Check the headings that are desired */
 			if( count($this->options['heading_levels']) != 6 ) {