Funcții SPL
PHP Manual

spl_object_hash

(PHP 5 >= 5.2.0)

spl_object_hash Return hash id for given object

Descrierea

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.

Parametri

object

Any object.

Valorile întoarse

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

Exemple

Example #1 A spl_object_hash() example

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

Note

Notă:

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


Funcții SPL
PHP Manual