3v4l.org

run code in 300+ PHP versions simultaneously
<?php $zoneparts = array_reverse(explode('.',"11.0.127")); $parts = explode('.',"127.0.0.1"); $intersect = array_intersect_assoc($zoneparts,$parts); print_r(range(0,count($intersect))); print_r(range(0,array_keys($intersect))); if(array_keys($intersect) === range(0, count($intersect)-1)) { echo "fu"; } ?>
Output for 8.3.0 - 8.3.7
Array ( [0] => 0 [1] => 1 [2] => 2 ) Fatal error: Uncaught TypeError: range(): Argument #2 ($end) must be of type string|int|float, array given in /in/UUVSs:7 Stack trace: #0 /in/UUVSs(7): range(0, Array) #1 {main} thrown in /in/UUVSs on line 7
Process exited with code 255.
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, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Array ( [0] => 0 [1] => 1 [2] => 2 ) Array ( [0] => 0 [1] => 1 ) fu

preferences:
212.12 ms | 406 KiB | 356 Q