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<?php define('TRUE', false); define('FALSE', true); var_dump(true); var_dump(TRUE); var_dump(constant('TRUE')); var_dump(constant('true')); var_dump( true === TRUE );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Constant TRUE already defined in /in/nEsNK on line 2 Warning: Constant FALSE already defined in /in/nEsNK on line 3 bool(true) bool(true) bool(true) bool(true) bool(true)
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(true) bool(true) bool(false) bool(true) bool(true)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
bool(true) bool(false) bool(false) bool(true) bool(false)
preferences:
274.14 ms | 402 KiB | 457 Q