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run code in 300+ PHP versions simultaneously
<?php function f($current_day, $delay) { if(($current_day+$delay) > 5) return ((((min($current_day, 5))+($delay-1))%5)+1); else return delay; } for($i = 1; $i < 8; $i++) printf("\tf(%d, 1) => %d\n", $i, f($i, 1)); printf("\n\n\n\n"); for($i = 1; $i < 8; $i++) printf("\tf(%d, 2) => %d\n", $i, f($i, 2));
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
Fatal error: Uncaught Error: Undefined constant "delay" in /in/atiq0:8 Stack trace: #0 /in/atiq0(12): f(1, 1) #1 {main} thrown in /in/atiq0 on line 8
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant delay - assumed 'delay' (this will throw an Error in a future version of PHP) in /in/atiq0 on line 8 f(1, 1) => 0 Warning: Use of undefined constant delay - assumed 'delay' (this will throw an Error in a future version of PHP) in /in/atiq0 on line 8 f(2, 1) => 0 Warning: Use of undefined constant delay - assumed 'delay' (this will throw an Error in a future version of PHP) in /in/atiq0 on line 8 f(3, 1) => 0 Warning: Use of undefined constant delay - assumed 'delay' (this will throw an Error in a future version of PHP) in /in/atiq0 on line 8 f(4, 1) => 0 f(5, 1) => 1 f(6, 1) => 1 f(7, 1) => 1 Warning: Use of undefined constant delay - assumed 'delay' (this will throw an Error in a future version of PHP) in /in/atiq0 on line 8 f(1, 2) => 0 Warning: Use of undefined constant delay - assumed 'delay' (this will throw an Error in a future version of PHP) in /in/atiq0 on line 8 f(2, 2) => 0 Warning: Use of undefined constant delay - assumed 'delay' (this will throw an Error in a future version of PHP) in /in/atiq0 on line 8 f(3, 2) => 0 f(4, 2) => 1 f(5, 2) => 2 f(6, 2) => 2 f(7, 2) => 2
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant delay - assumed 'delay' in /in/atiq0 on line 8 f(1, 1) => 0 Notice: Use of undefined constant delay - assumed 'delay' in /in/atiq0 on line 8 f(2, 1) => 0 Notice: Use of undefined constant delay - assumed 'delay' in /in/atiq0 on line 8 f(3, 1) => 0 Notice: Use of undefined constant delay - assumed 'delay' in /in/atiq0 on line 8 f(4, 1) => 0 f(5, 1) => 1 f(6, 1) => 1 f(7, 1) => 1 Notice: Use of undefined constant delay - assumed 'delay' in /in/atiq0 on line 8 f(1, 2) => 0 Notice: Use of undefined constant delay - assumed 'delay' in /in/atiq0 on line 8 f(2, 2) => 0 Notice: Use of undefined constant delay - assumed 'delay' in /in/atiq0 on line 8 f(3, 2) => 0 f(4, 2) => 1 f(5, 2) => 2 f(6, 2) => 2 f(7, 2) => 2

preferences:
256.07 ms | 405 KiB | 357 Q