add find youtube

functions.php

@@ -722,7 +722,7 @@ add_action( 'pre_get_posts', function ($query) {
         }
 
         if (is_front_page()) {
-            $query->set( 'posts_per_page', 25 );
+            $query->set( 'posts_per_page', 24 );
         }
 
        
@@ -762,15 +762,40 @@ add_filter( 'the_excerpt_rss', 'add_text_to_the_feed_end' );
 
 
 
-function add_div_youtube($content){
+function add_div_youtube($str){
+
+    $content = $str;
     
-    $content = str_replace(
+   $content = str_replace(
         ['<iframe', '</iframe>'], 
         ['<div class="vijdeo"><iframe', '</iframe></div>'],
         $content);
 
-    return $content;
 
+  return $content; 
+return find_youtube($str);
+
+
+}
+
+function find_youtube($str) {   
+    
+    $result = $str;
+
+    $pos1 = strpos($str, '<iframe');
+    $endpos = strpos($str, '</iframe>', $pos1);
+    $iframe_len = $endpos - $pos1;
+
+    $iframe = substr($str, $pos1, $iframe_len);
+
+    $you_find = strpos($iframe, 'src="https://www.youtube.com/');
+
+    if ($you_find) {
+        $result = substr( $str, 0, $pos1 -1 ).'<div class="vijdeo">'.$iframe.'</div>'.substr($str, $endpos+9);
+    }   
+
+
+    return  $result;
 
 }