essages($code = '') { // Return all messages if no code specified. if ( empty($code) ) { $all_messages = array(); foreach ( (array) $this->errors as $code => $messages ) $all_messages = array_merge($all_messages, $messages); return $all_messages; } if ( isset($this->errors[$code]) ) return $this->errors[$code]; else return array(); } /** * Get single error message. * * This will get the first message available for the code. If no code is * given then the first code available will be used. * * @since 2.1.0 * * @param string|int $code Optional. Error code to retrieve message. * @return string */ function get_error_message($code = '') { if ( empty($code) ) $code = $this->get_error_code(); $messages = $this->get_error_messages($code); if ( empty($messages) ) return ''; return $messages[0]; } /** * Retrieve error data for error code. * * @since 2.1.0 * * @param string|int $code Optional. Error code. * @return mixed Null, if no errors. */ function get_error_data($code = '') { if ( empty($code) ) $code = $this->get_error_code(); if ( isset($this->error_data[$code]) ) return $this->error_data[$code]; return null; } /** * Append more error messages to list of error messages. * * @since 2.1.0 * @access public * * @param string|int $code Error code. * @param string $message Error message. * @param mixed $data Optional. Error data. */ function add($code, $message, $data = '') { $this->errors[$code][] = $message; if ( ! empty($data) ) $this->error_data[$code] = $data; } /** * Add data for error code. * * The error code can only contain one error data. * * @since 2.1.0 * * @param mixed $data Error data. * @param string|int $code Error code. */ function add_data($data, $code = '') { if ( empty($code) ) $code = $this->get_error_code(); $this->error_data[$code] = $data; } } /** * Check whether variable is a WordPress Error. * * Looks at the object and if a WP_Error class. Does not check to see if the * parent is also WP_Error, so can't inherit WP_Error and still use this * function. * * @since 2.1.0 * * @param mixed $thing Check if unknown variable is WordPress Error object. * @return bool True, if WP_Error. False, if not WP_Error. */ function is_wp_error($thing) { if ( is_object($thing) && is_a($thing, 'WP_Error') ) return true; return false; } ?> callback caused issues and this function is the * solution. It works by checking for objects and creating an a new property in * the class to keep track of the object and new objects of the same class that * need to be added. * * It also allows for the removal of actions and filters for objects after they * change class properties. It is possible to include the property $wp_filter_id * in your class and set it to "null" or a number to bypass the workaround. * However this will prevent you from adding new classes and any new classes * will overwrite the previous hook by the same class. * * Functions and static method callbacks are just returned as strings and * shouldn't have any speed penalty. * * @package WordPress * @subpackage Plugin * @access private * @since 2.2.3 * @link http://trac.wordpress.org/ticket/3875 * * @global array $wp_filter Storage for all of the filters and actions * @param string $tag Used in counting how many hooks were applied * @param callback $function Used for creating unique id * @param int|bool $priority Used in counting how many hooks were applied. If === false and $function is an object reference, we return the unique id only if it already has one, false otherwise. * @return string|bool Unique ID for usage as array key or false if $priority === false and $function is an object reference, and it does not already have a unique id. */ function _wp_filter_build_unique_id($tag, $function, $priority) { global $wp_filter; static $filter_id_count = 0; if ( is_string($function) ) return $function; if ( is_object($function) ) { // Closures are currently implemented as objects $function = array( $function, '' ); } else { $function = (array) $function; } if (is_object($function[0]) ) { // Object Class Calling if ( function_exists('spl_object_hash') ) { return spl_object_hash($function[0]) . $function[1]; } else { $obj_idx = get_class($function[0]).$function[1]; if ( !isset($function[0]->wp_filter_id) ) { if ( false === $priority ) return false; $obj_idx .= isset($wp_filter[$tag][$priority]) ? count((array)$wp_filter[$tag][$priority]) : $filter_id_count; $function[0]->wp_filter_id = $filter_id_count; ++$filter_id_count; } else { $obj_idx .= $function[0]->wp_filter_id; } return $obj_idx; } } else if ( is_string($function[0]) ) { // Static Calling return $function[0].$function[1]; } } ?>