3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tmp = array('kjh','kjh'); print_r(array_merge('lkjl', $tmp));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, string given in /in/eNrom:3 Stack trace: #0 /in/eNrom(3): array_merge('lkjl', Array) #1 {main} thrown in /in/eNrom on line 3
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_merge(): Expected parameter 1 to be an array, string given in /in/eNrom on line 3
Output for 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: array_merge(): Argument #1 is not an array in /in/eNrom on line 3
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Array ( [0] => lkjl [1] => kjh [2] => kjh )

preferences:
256.89 ms | 402 KiB | 461 Q