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run code in 150+ php & hhvm versions
Bugs & Features
<?php define('TRUE', false); define('true', false); define('FALSE', true); define('false', true); var_dump(true, false);
Output for 4.3.0 - 4.3.6, 4.3.9 - 4.4.9, 5.0.1 - 5.6.28, 7.0.0 - 7.1.0
Notice: Constant true already defined in /in/dgvPD on line 3 Notice: Constant false already defined in /in/dgvPD on line 5 bool(true) bool(false)
Output for hhvm-3.12.0
Notice: Constant TRUE already defined in /in/dgvPD on line -1 Notice: Constant true already defined in /in/dgvPD on line -1 Notice: Constant FALSE already defined in /in/dgvPD on line -1 Notice: Constant false already defined in /in/dgvPD on line -1 bool(true) bool(false)
Output for hhvm-3.10.0
Notice: Constant TRUE already defined in /in/dgvPD on line 2 Notice: Constant true already defined in /in/dgvPD on line 3 Notice: Constant FALSE already defined in /in/dgvPD on line 4 Notice: Constant false already defined in /in/dgvPD on line 5 bool(true) bool(false)
Output for 4.3.7 - 4.3.8, 5.0.0
Notice: Constant already defined in /in/dgvPD on line 3 Notice: Constant already defined in /in/dgvPD on line 5 bool(true) bool(false)