(PHP 5 >= 5.2.0, PHP 7)
spl_object_hash — 锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟絟ash id
$obj
) : string锟斤拷锟斤拷锟斤拷为指锟斤拷锟斤拷锟襟返伙拷一锟斤拷唯一锟斤拷识锟斤拷锟斤拷锟斤拷锟斤拷锟绞讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷植锟酵拷锟斤拷锟斤拷hash key锟斤拷
objectAny object.
锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷每锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷唯一锟侥ｏ拷锟斤拷锟揭讹拷同一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷
Example #1 A spl_object_hash() example
<?php
$id = spl_object_hash($object);
$storage[$id] = $object;
?>
Note:
When an object is destroyed, its hash may be reused for other objects.