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run code in 150+ php & hhvm versions
Bugs & Features
<?php class a { function __construct($b) { var_dump($b); } } class b { function __construct() { $a = $GLOBALS['a']; var_dump($a); } } $a = new a(new b);
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined index: a in /in/gb7mZ on line 15 NULL object(b)#2 (0) { }
Output for hhvm-3.10.0 - 3.12.0
NULL object(b)#2 (0) { }
Output for 5.0.0 - 5.2.17
Notice: Undefined index: a in /in/gb7mZ on line 15 NULL object(b)#2 (0) { }
Output for 4.3.0 - 4.4.9