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<?php function trues() { foreach(get_defined_constants() as $k => $v) if(strtolower($k) === "true") echo "$k=$v\n"; } trues(); define('TRUE', 3); trues();
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
TRUE=1 Warning: Constant TRUE already defined in /in/TalLo on line 9 TRUE=1
Output for 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
TRUE=1 TRUE=1 TRUE=3
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 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
TRUE=1 TRUE=3
preferences:
270.82 ms | 403 KiB | 459 Q