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run code in 300+ PHP versions simultaneously
<?php $valueOfTrue = 0; // this was coming from config in real-world. $valueOfFalse = 1; // Same here. ^ define('TRUE', $valueOfTrue); define('FALSE', $valueOfFalse); var_dump(TRUE, FALSE); // Happy debugging...
Output for 8.5.0 - 8.5.3
Warning: Constant TRUE already defined, this will be an error in PHP 9 in /in/OG8G0 on line 5 Warning: Constant FALSE already defined, this will be an error in PHP 9 in /in/OG8G0 on line 6 bool(true) bool(false)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
Warning: Constant TRUE already defined in /in/OG8G0 on line 5 Warning: Constant FALSE already defined in /in/OG8G0 on line 6 bool(true) bool(false)
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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
bool(true) bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.2
int(0) int(1)
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/OG8G0 on line 8
Process exited with code 255.
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