arthurschreiber/test.php

## test.php
<?php
$arr = array(1, 2, 3, 4);
foreach ($arr as &$value) {
    $value = $value * 2;
}
// $arr is now array(2, 4, 6, 8)
unset($value); // break the reference with the last element
?>
	<?php
	$arr = array(1, 2, 3, 4);
	foreach ($arr as &$value) {
	$value = $value * 2;
	}
	// $arr is now array(2, 4, 6, 8)
	unset($value); // break the reference with the last element
	?>