streamWrapper::unlink
(PHP 5, PHP 7)
streamWrapper::unlink — Delete a file
说明
public
streamWrapper::unlink (
string
$path
) :
bool
This method is called in response to unlink().
Note:
In order for the appropriate error message to be returned this method should not be defined if the wrapper does not support removing files.
参数
-
path
-
The file URL which should be deleted.
返回值
成功时返回 TRUE
, 或者在失败时返回 FALSE
。
错误/异常
调用此方法失败将给出 E_WARNING
(未实现)。
注释
Note:
当合法的上下文传递给调用函数时,属性 streamWrapper::$context 会被改变。