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run code in 150+ php & hhvm versions
Bugs & Features
<?php define('FALSE', TRUE); var_export(FALSE);
Output for 5.1.3 - 5.6.28, 7.0.0 - 7.1.0
false
Output for hhvm-3.10.0 - 3.12.0
Notice: Constant FALSE already defined in /in/3XOH7 on line 2 false
Output for 4.3.0 - 5.1.2
true