delete_transient()函数是Wordpress函数,删除瞬态。
参数(Parameters)
参数 | 类型 | 必填 | 说明 |
---|---|---|---|
$transient | (string) | 必需 | 暂时的名字。应为非SQL转义。 |
返回(Return)
(bool)如果成功则为true,否则为false
源码(Source)
/**
* Delete a transient.
*
* @since 2.8.0
*
* @param string $transient Transient name. Expected to not be SQL-escaped.
* @return bool true if successful, false otherwise
*/
function delete_transient( $transient ) {
/**
* Fires immediately before a specific transient is deleted.
*
* The dynamic portion of the hook name, `$transient`, refers to the transient name.
*
* @since 3.0.0
*
* @param string $transient Transient name.
*/
do_action( 'delete_transient_' . $transient, $transient );
if ( wp_using_ext_object_cache() ) {
$result = wp_cache_delete( $transient, 'transient' );
} else {
$option_timeout = '_transient_timeout_' . $transient;
$option = '_transient_' . $transient;
$result = delete_option( $option );
if ( $result )
delete_option( $option_timeout );
}
if ( $result ) {
/**
* Fires after a transient is deleted.
*
* @since 3.0.0
*
* @param string $transient Deleted transient name.
*/
do_action( 'deleted_transient', $transient );
}
return $result;
}
更新版本 | 源码位置 | 使用 | 被使用 |
---|---|---|---|
2.8.0 | wp-includes/option.php:632 | 8 | 6 |
笔记(Notes)
通过编辑术语挂钩清除瞬态