3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrOne = [1, 3, 4]; $arrTwo = [2, 5,]; array_splice( $arrOne, 1, 0, $arrTwo[0]); array_splice( $arrOne, 4, 0, $arrTwo[1]); var_dump($arrOne);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.16, 8.5.0 - 8.5.1
array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) }
preferences:
188.76 ms | 407 KiB | 5 Q