- var_dump: documentation ( source)
- set_time_limit: documentation ( source)
<?php
set_time_limit(1);
$arr = ['a', 'b'];
$child = &$arr;
$i = 1;
foreach ($child AS $key => $fruit)
{
$child[$i] = $fruit;
unset($child[$key]);
$i++;
}
var_dump($child);