GoLang spl_object_hash

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PHP spl_object_hash

PHP original manual for spl_object_hash [ show | php.net ]

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.