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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

class

Any object.

返回值

Returns string that is unique for each object and is always the same for the same object.

范例

例 1. A spl_object_hash() example

<?php
$id = spl_object_hash($object);
$storage[$id] = $object;
?>



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