Code Inspection: 'switch' with common parts

Reports the 'switch' statements with duplicated common parts.

In the following example, all branches of the switch statement contain the common echo $message statement. After the quick-fix is applied, this statement extracted from the switch statement.

switch ($a) {
    case 1:
        echo $message;
        doSmth();
        break;
    case 2:
        echo $message;
        echo $error;
        break;
    default:
        echo $message;
        doSmthElse();
        break;
}

echo $message;
switch ($a) {
    case 1:
        doSmth();
        break;
    case 2:
        echo $error;
        break;
    default:
        doSmthElse();
        break;
}