Ticket #9640: 9640.patch

wp-includes/functions.php

@@ -1315 +1315 @@
  * @uses $wpdb Used to sanitize values
  * @since 0.71
  *
- * @param array $array Array to used to walk while sanitizing contents.
- * @return array Sanitized $array.
+ * @param  mixed $array Array or else to used to walk while sanitizing contents.
+ * @return mixed Sanitized $array.
  */
 function add_magic_quotes( $array ) {
         global $wpdb;
-
-        foreach ( (array) $array as $k => $v ) {
-                if ( is_array( $v ) ) {
+        
+        if ( is_array($array) ) {
+                foreach ( $array as $k => $v ) {
                         $array[$k] = add_magic_quotes( $v );
-                } else {
-                        $array[$k] = $wpdb->escape( $v );
-                }
-        }
+                }       
+        } elseif ( is_string($array) ) {
+                $array = $wpdb->escape( $array );                                               
+        } 
+        // no need to handle other types (float, bool, callback, resource, object etc.)
+        
         return $array;
 }