Weakref::valid
Weakref::valid
(PECL weakref >= 0.1.0)
Weakref::valid — Checks whether the object referenced still exists
Description
public bool Weakref::valid ( void )
Checks whether the object referenced still exists.
Parameters
This function has no parameters.
Return Values
Returns TRUE
if the object still exists and is thus still accessible via 登录查看完整内容