spl_object_hash

spl_object_hash

Return hash id for given object

string **spl_object_hash** object $object

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, as long as the object is not destroyed. Once the object is destroyed, its hash may be reused for other objects. This behavior is similar to . spl_object_id

objectAny object.

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

Voorbeeld: A example

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

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

Opmerking: > Object hashes should be compared for identity with and , because the returned hash could be a . For example: . ===``!==numeric string0000000000000e600000000000000000

spl_object_id