3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array(array(77, 87), array(23, 45)); $array2 = array("w3resource", "com"); function merge_arrays_by_index($x, $y) { $temp = array(); $temp[] = $x; if(is_scalar($y)) { $temp[] = $y; } else { foreach($y as $k => $v) { $temp[] = $v; } } return $temp; } print_r($array1); print_r($array2); ?>
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 - 5.6.28, 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, 8.3.0 - 8.3.6
Array ( [0] => Array ( [0] => 77 [1] => 87 ) [1] => Array ( [0] => 23 [1] => 45 ) ) Array ( [0] => w3resource [1] => com )
preferences:
255.67 ms | 406 KiB | 341 Q