Ticket #19865: do_enclose-19735.diff

wp-includes/functions.php

@@ -521 +521 @@
                 if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $url ) . '%' ) ) ) {
 
                         if ( $headers = wp_get_http_headers( $url) ) {
-                                $len = (int) $headers['content-length'];
-                                $type = $headers['content-type'];
+                                $len = isset( $headers['content-length'] )? (int) $headers['content-length'] : 0;
+                                $type = isset( $headers['content-type'] )? $headers['content-type'] : '';
                                 $allowed_types = array( 'video', 'audio' );
 
                                 // Check to see if we can figure out the mime type from