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run code in 150+ php & hhvm versions
Bugs & Features
<?php function a($x=A) { } a(); define('A', 1);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Notice: Use of undefined constant A - assumed 'A' in /in/vUhHn on line 3