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run code in 150+ php & hhvm versions
Bugs & Features
<?php class ParentClass { } $a = new ParentClass(); $b = $a; $c = &$a; $a = null; var_dump($a,$b,$c);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
NULL object(ParentClass)#1 (0) { } NULL
Output for 4.3.0 - 4.4.9
NULL object(parentclass)(0) { } NULL