3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array(1,2,3,4,5,6,7,8); $array2 = array('a','b','c','d','e','f','g'); $n = count($array1); for($x = 0; $x < $n; $x++) { array_splice($array1, 1,0,$array2); print_r ($array1); }

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55.75 ms | 402 KiB | 5 Q