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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(UNDEFINED_CONST == true);
Output for 7.2.0 - 7.3.0alpha1
Warning: Use of undefined constant UNDEFINED_CONST - assumed 'UNDEFINED_CONST' (this will throw an Error in a future version of PHP) in /in/JbLE2 on line 3 bool(true)
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant UNDEFINED_CONST - assumed 'UNDEFINED_CONST' in /in/JbLE2 on line 3 bool(true)