SPL Funktionen
PHP Manual

spl_object_hash

(PHP 5 >= 5.2.0)

spl_object_hash Return hash id for given object

Beschreibung

string spl_object_hash ( object $obj )

This function returns a unique identifier for the object. This id can be used as a hash key for storing objects or for identifying an object.

Parameter-Liste

object

Any object.

Rückgabewerte

A string that is unique for each currently existing object and is always the same for each object.

Beispiele

Beispiel #1 A spl_object_hash() example

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

Anmerkungen

Hinweis:

When an object is destroyed, its hash may be reused for other objects.


SPL Funktionen
PHP Manual