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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array('t' => t); var_dump(empty($a['qwqw']));
Output for 7.2.0
Warning: Use of undefined constant t - assumed 't' (this will throw an Error in a future version of PHP) in /in/iWAmQ on line 3 bool(true)
Output for 5.3.19 - 7.1.10
Notice: Use of undefined constant t - assumed 't' in /in/iWAmQ on line 3 bool(true)