- var_dump: documentation ( source)
- array_walk: documentation ( source)
<?php
$array = array(1, 1, 2, 3, 5);
foreach ($array as &$value)
{
$value *= $value;
}
unset($value);
var_dump($array);
$value = 42;
var_dump($array);
__exit_handler();
array_walk($array, function(&$value, &$key) {
$value *= $value;
});
var_dump($array);