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Bugs & Features
<?php define('true', false, true); define('false', true, true); $a = false; var_dump($a === false);
Output for 4.3.0 - 7.1.0
Notice: Constant true already defined in /in/aCVX0 on line 3 Notice: Constant false already defined in /in/aCVX0 on line 4 bool(true)