- var_dump: documentation ( source)
- current: documentation ( source)
<?php
echo "without reference\n";
$array = [0, 1, 2];
foreach ($array as $val) {
var_dump(current($array));
}
unset($array);
unset($val);
echo "\nwith reference\n";
$array = [0, 1, 2];
foreach ($array as &$val) {
var_dump(current($array));
}