| 메소드 | 설명 | |
|---|---|---|
| __construct ( object $object = null ) | Constructs a new weak reference. | |
| acquire ( ) : boolean | Acquires a strong reference on that object, virtually turning the weak reference into a strong one. | |
| get ( ) : object | Returns the object pointed to by the weak reference | |
| release ( ) : boolean | Releases a previously acquired reference, potentially turning a strong reference back into a weak reference. | |
| valid ( ) : boolean | Checks whether the object referenced still exists |
| public __construct ( object $object = null ) | ||
| $object | object | |