cotopboy
12/2/2013 - 8:24 AM

foreach_array_ref.php $arr = array(1, 2, 3, 4); foreach ($arr as &$value) { $value = $value * 2; } // $arr is now array(2, 4, 6, 8) uns

foreach_array_ref.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

$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