stdClass Object

<?php

var_dump(new stdclass);
var_dump((object) []);
var_dump($b = new stdclass());
var_dump(new stdclass(3));

PHP recycles the previously created stdClass objects ids. The following code displays Object #1, until it is stored in $b. When the stdClass is not stored in a container (variable, property, etc.), it is completely lost and no object counting happens.

Also, PHP’s stdClass’s constructor ignores all its arguments, as they are not used.

See Also

• The stdClass class (PHP manual)

• Recycling stdclass [Try me]

PHP Features

• class

• argument

• optimisation

Last updated: 14 July 2026