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run code in 300+ PHP versions simultaneously
<? $datediff = 4; $_GET[fac] = 126; if($datediff >= 3 & $_GET['fac'] != 126 && $_GET['fac'] != 127 ) { echo"hi"; } ?>
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<? $datediff = 4; $_GET[fac] = 126; if($datediff >= 3 & $_GET['fac'] != 126 && $_GET['fac'] != 127 ) { echo"hi"; } ?>
Output for 8.0.13
Fatal error: Uncaught Error: Undefined constant "fac" in /in/OBmVV:3 Stack trace: #0 {main} thrown in /in/OBmVV on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33
Warning: Use of undefined constant fac - assumed 'fac' (this will throw an Error in a future version of PHP) in /in/OBmVV on line 3
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant fac - assumed 'fac' in /in/OBmVV on line 3

preferences:
179.42 ms | 402 KiB | 229 Q