3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = (PHP_INT_MAX * 2) + 1; var_dump($num); echo dechex($num),"\n"; echo dechex(-1);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
float(1.8446744073709552E+19) Fatal error: Uncaught TypeError: dechex(): Argument #1 ($num) must be of type int, float given in /in/hiWrZ:6 Stack trace: #0 /in/hiWrZ(6): dechex(1.844674407371E+19) #1 {main} thrown in /in/hiWrZ on line 6
Process exited with code 255.
Output for 4.4.0 - 4.4.9, 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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
float(1.844674407371E+19) 0 ffffffffffffffff
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/hiWrZ on line 3 int(1) 1 ffffffffffffffff

preferences:
230.78 ms | 402 KiB | 350 Q