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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo TRUE; define('true', 0); define('TRUE', 0); echo TRUE; if (TRUE) { echo "TRUE"; } else { echo "FALSE!!!"; }
Output for 5.1.3 - 7.1.0
1 Notice: Constant true already defined in /in/9dSLV on line 5 1TRUE
Output for 4.3.0 - 4.3.6, 4.3.9 - 4.4.9, 5.0.1 - 5.1.2
1 Notice: Constant true already defined in /in/9dSLV on line 5 0FALSE!!!
Output for 4.3.7 - 4.3.8, 5.0.0
1 Notice: Constant already defined in /in/9dSLV on line 5 0FALSE!!!