/**
* Delete meta data by meta ID.
*
* NOTE: This is the Connections equivalent of @see delete_metadata_by_mid() in WordPress core ../wp-includes/meta.php
*
* @access public
* @since 8.1.7
* @static
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @uses absint()
* @uses sanitize_key()
* @uses cnMeta::tableName()
* @uses cnMeta::getByID()
* @uses wpdb::delete()
* @uses do_action()
*
* @param string $type Type of object metadata is for (e.g., entry, term)
* @param int $id ID for a specific meta row
*
* @return bool True on successful delete, false on failure.
*/
public static function deleteByID($type, $id)
{
/** @var wpdb $wpdb */
global $wpdb;
// Make sure everything is valid.
if (!$type || !is_numeric($id)) {
return FALSE;
}
$id = absint($id);
if (!$id) {
return FALSE;
}
$table = cnMeta::tableName($type);
// object and id columns
$column = sanitize_key($type . '_id');
// Fetch the meta and go on if it's found.
if ($meta = cnMeta::getByID($type, $id)) {
$object_id = $meta->{$column};
/** This action is documented in wp-includes/meta.php */
do_action("cn_delete_{$type}_meta", (array) $id, $object_id, $meta->meta_key, $meta->meta_value);
// Run the query, will return true if deleted, false otherwise
$result = (bool) $wpdb->delete($table, array('meta_id' => $id));
// Clear the caches.
wp_cache_delete($object_id, 'cn_' . $type . '_meta');
/** This action is documented in wp-includes/meta.php */
do_action("cn_deleted_{$type}_meta", (array) $id, $object_id, $meta->meta_key, $meta->meta_value);
return $result;
}
return FALSE;
}
