- array_splice: documentation ( source)
- array_slice: documentation ( source)
- print_r: documentation ( source)
<?php
$a = ['a' => 1, 'b' => 2, 'c' => 3];
$b = [4,5];
print_r($a);
print_r($b);
$r= array_splice($a, 2, 2, $b);
$r1 = array_slice($a, 2,1,1);
print_r($r);
print_r($r1);