spl_object_hash
(PHP 5 >= 5.2.0)
spl_object_hash — Return hash id for given object
Description
string spl_object_hash
( object $obj
)
This function returns an unique identifier for the object. This id can be used as a hash key for storing objects or for identifying an object.
参数
- object
-
Any object.
返回值
Returns a string that is unique for each object and is always the same for the same object.
范例
Example#1 A spl_object_hash() example
<?php
$id = spl_object_hash($object);
$storage[$id] = $object;
?>
