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run code in 200+ php & hhvm versions
Bugs & Features
<?php define('TRUE', FALSE); if(TRUE) echo 'no';
Output for 5.1.3 - 5.6.30, 7.0.0 - 7.3.0rc4
no
Output for hhvm-3.10.1 - 3.17.3
Notice: Constant TRUE already defined in /in/jLccQ on line 2 no
Output for 4.3.0 - 5.1.2