Weakref::valid
(PECL weakref >= 0.1.0)
Weakref::valid — Checks whether the object referenced still exists
Description
public Weakref::valid ( ) : bool
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 Weakref::get(), false otherwise.
See Also
- Weakref::get() - Returns the object pointed to by the weak reference
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/weakref.valid.php