#80989 by fgm. When using the PHP code input format, break the node teaser out...

#80989 by fgm. When using the PHP code input format, break the node teaser out if the teaser starts after the delimiter.

modules/node/node.module

@@ -164,7 +164,7 @@ function node_teaser($body, $format = NULL) {
   // parse errors.
   if (isset($format)) {
     $filters = filter_list_format($format);
-    if (isset($filters['filter/1']) && strpos($body, '<?') !== FALSE) {
+    if (isset($filters['filter/1']) && (strpos($body, '<?') !== FALSE) && (strpos($body, '<?') < $delimiter)) {
       return $body;
     }
   }