- array_slice: documentation ( source)
- print_r: documentation ( source)
- array_merge: documentation ( source)
<?php
$array = array("red", "yellow", "hello", "world");
$array2 = array("1", "2", "3", "4");
$result = array_slice( array_merge( array_slice( $array, 0, 2), array_slice( $array2, 0, 2)), 0, 2);
print_r( $result);