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run code in 200+ php & hhvm versions
Bugs & Features
<?php class Hoge { function test() { func($this); var_dump($this); } } function func(&$var) { $var = null; } $hoge = new Hoge; $hoge->test(); var_dump($hoge);
Output for 7.1.0 - 7.1.10
object(Hoge)#1 (0) { } object(Hoge)#1 (0) { }
Output for 5.0.0 - 7.0.20
NULL object(Hoge)#1 (0) { }
Output for 4.3.0 - 4.4.9
NULL NULL