php switch case multiple 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: php switich

switch (n) {
    case label1:
        code to be executed if n=label1;
        break;
    case label2:
        code to be executed if n=label2;
        break;
    case label3:
        code to be executed if n=label3;
        break;
    ...
    default:
        code to be executed if n is different from all labels;
}

Example 3: php switch case multiple values per line

<?php
switch ($i) {
    case 0:
    case 1:
    case 2:
        echo "i is less than 3 but not negative";
        break;
    case 3:
        echo "i is 3";
}
?>

Example 4: dualcase php switch

case 'car':
case 'ferrari':
    print("car or ferrari");
    break;