laipower/wp-content/plugins/easy-digital-downloads/includes/logs/log/meta.php

97 lines
3.2 KiB
PHP

<?php
/**
* Log Meta Functions
*
* @package EDD
* @subpackage Logs
* @copyright Copyright (c) 2018, Easy Digital Downloads, LLC
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 3.0
*/
// Exit if accessed directly
defined( 'ABSPATH' ) || exit;
/**
* Add meta data field to a log.
*
* @since 3.0
*
* @param int $log_id Log ID.
* @param string $meta_key Meta data name.
* @param mixed $meta_value Meta data value. Must be serializable if non-scalar.
* @param bool $unique Optional. Whether the same key should not be added. Default false.
*
* @return int|false Meta ID on success, false on failure.
*/
function edd_add_log_meta( $log_id, $meta_key, $meta_value, $unique = false ) {
return add_metadata( 'edd_log', $log_id, $meta_key, $meta_value, $unique );
}
/**
* Remove meta data matching criteria from a log.
*
* You can match based on the key, or key and value. Removing based on key and value, will keep from removing duplicate
* meta data with the same key. It also allows removing all meta data matching key, if needed.
*
* @since 3.0
*
* @param int $log_id Log ID.
* @param string $meta_key Meta data name.
* @param mixed $meta_value Optional. Meta data value. Must be serializable if non-scalar. Default empty.
*
* @return bool True on success, false on failure.
*/
function edd_delete_log_meta( $log_id, $meta_key, $meta_value = '' ) {
return delete_metadata( 'edd_log', $log_id, $meta_key, $meta_value );
}
/**
* Retrieve log meta field for a log.
*
* @since 3.0
*
* @param int $log_id Log ID.
* @param string $key Optional. The meta key to retrieve. By default, returns data for all keys. Default empty.
* @param bool $single Optional, default is false. If true, return only the first value of the specified meta_key.
* This parameter has no effect if meta_key is not specified.
*
* @return mixed Will be an array if $single is false. Will be value of meta data field if $single is true.
*/
function edd_get_log_meta( $log_id, $key = '', $single = false ) {
return get_metadata( 'edd_log', $log_id, $key, $single );
}
/**
* Update log meta field based on log ID.
*
* Use the $prev_value parameter to differentiate between meta fields with the
* same key and log ID.
*
* If the meta field for the log does not exist, it will be added.
*
* @since 3.0
*
* @param int $log_id Note ID.
* @param string $meta_key Meta data key.
* @param mixed $meta_value Meta data value. Must be serializable if non-scalar.
* @param mixed $prev_value Optional. Previous value to check before removing. Default empty.
*
* @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
*/
function edd_update_log_meta( $log_id, $meta_key, $meta_value, $prev_value = '' ) {
return update_metadata( 'edd_log', $log_id, $meta_key, $meta_value, $prev_value );
}
/**
* Delete everything from log meta matching meta key.
*
* @since 3.0
*
* @param string $meta_key Key to search for when deleting.
*
* @return bool Whether the log meta key was deleted from the database.
*/
function edd_delete_log_meta_by_key( $meta_key ) {
return delete_metadata( 'edd_log', null, $meta_key, '', true );
}