switch/case/default
-----
<?php

switch ($expr) {
    case 0:
        echo 'First case, with a break';
        break;
    case 1:
        echo 'Second case, which falls through';
    case 2:
    case 3:
    case 4:
        echo 'Third case, return instead of break';
        return;
    // Comment
    default:
        echo 'Default case';
        break;
}
-----
switch ($expr) {
    case 0:
        echo 'First case, with a break';
        break;
    case 1:
        echo 'Second case, which falls through';
    case 2:
    case 3:
    case 4:
        echo 'Third case, return instead of break';
        return;
    // Comment
    default:
        echo 'Default case';
        break;
}