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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(true); var_dump(TRUE); define('TRUE', 23); define('true', 42); var_dump(true); var_dump(TRUE);
based on 70aNs
Output for 5.1.3 - 7.1.0
bool(true) bool(true) Notice: Constant true already defined in /in/OOB5b on line 5 bool(true) bool(true)
Output for 4.3.0 - 4.3.6, 4.3.9 - 4.4.9, 5.0.1 - 5.1.2
bool(true) bool(true) Notice: Constant true already defined in /in/OOB5b on line 5 bool(true) int(23)
Output for 4.3.7 - 4.3.8, 5.0.0
bool(true) bool(true) Notice: Constant already defined in /in/OOB5b on line 5 bool(true) int(23)