- var_dump: documentation ( source)
- array_splice: documentation ( source)
<?php
$a = ["a", "b", "c"];
foreach($a as $key => &$value)
{
var_dump($key, $value);
if($value !== "Test") array_splice($a, $key, 1, ["Test", "Test2"]);
var_dump($a);
if(count($a) > 6) exit;
}