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PHP

Return hash id for given object


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

Parameters

object

Any object.

Return Values

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

Examples

Example #1 A spl_object_hash() example

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

Notes

Note:

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



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