PHP5中文手册·Return hash id for given object -- 追寻梦想＞编程乐园＞PHP 编程

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.

Returns a string that is unique for each object and is always the same for the same object.

Example#1 A spl_object_hash() example


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


	PHP5中文手册 spl SQLite spl PHP Manual 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. 参数 `object` Any object. 返回值 Returns a string that is unique for each object and is always the same for the same object. 范例 Example#1 A spl_object_hash() example `<?php $id = spl_object_hash($object); $storage[$id] = $object; ?>` spl SQLite spl PHP Manual