spl_object_hash

(PHP 5 >= 5.2.0)

spl_object_hash — Return hash id for given object

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.

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

Example#1 A spl_object_hash() example


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