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 an unique identifier for the object. This id can be
used as a hash key for storing objects or for identifying an object.
返回值
Returns string that is unique for each object and is always the same for
the same object.
范例
例 1. A spl_object_hash() example
<?php
$id = spl_object_hash($object);
$storage[$id] = $object;
?>
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