3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1, 2, 3]; $b = array_splice($a, -1, [2.5]); var_dump($a); var_dump($b);
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 TypeError: array_splice(): Argument #3 ($length) must be of type ?int, array given in /in/Bps4N:4 Stack trace: #0 /in/Bps4N(4): array_splice(Array, -1, Array) #1 {main} thrown in /in/Bps4N on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_splice() expects parameter 3 to be int, array given in /in/Bps4N on line 4 array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } NULL
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: array_splice() expects parameter 3 to be integer, array given in /in/Bps4N on line 4 array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } NULL
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: array_splice() expects parameter 3 to be long, array given in /in/Bps4N on line 4 array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } NULL

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155.28 ms | 402 KiB | 213 Q