spl_object_hash
(PHP 5 >= 5.2.0, PHP 7)
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, as long as the object is not destroyed. Once the object is destroyed, its hash may be reused for other objects.
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.
← spl_classes
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
本文档系腾讯云开发者社区成员共同维护，如有问题请联系 cloudcommunity@tencent.com
