php swtich statement case or code example

Example 1: php switch

$age=20;
switch ($age) {
	case 19:
        echo "Age is 18";
        break;
    case 20:
        echo "Age is 20";
        break;
    case 21:
        echo "Age is 21";
        break;
}

Example 2: switch php

switch ($element) {
    case 0:
        echo "i es igual a 0";
        break;
    case 1:
        echo "i es igual a 1";
        break;
    case 2:
        echo "i es igual a 2";
        break;
}