Weakref::valid

(PECL weakref >= 0.1.0)

Weakref::valid — Checks whether the object referenced still exists

说锟斤拷

public Weakref::valid ( void ) : bool

Checks whether the object referenced still exists.

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Returns TRUE if the object still exists and is thus still accessible via Weakref::get(), FALSE otherwise.

锟轿硷拷

  • Weakref::get() - Returns the object pointed to by the weak reference