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<?php function foo($object) { $object = null; } function bar(&$object) { $object = null; } $o = new stdClass(); var_dump($o); foo($o); var_dump($o); bar($o); var_dump($o);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
object(stdClass)#1 (0) { } object(stdClass)#1 (0) { } NULL
preferences:
143.77 ms | 407 KiB | 5 Q