How can PHP be used within individual cases of a switch statement for different functionalities?

To use PHP within individual cases of a switch statement for different functionalities, you can simply include PHP code within each case block. This allows you to execute different PHP functionalities based on the value of the switch expression. Example:

$option = 'A';

switch ($option) {
    case 'A':
        // PHP code for functionality A
        break;
    case 'B':
        // PHP code for functionality B
        break;
    case 'C':
        // PHP code for functionality C
        break;
    default:
        // Default case
        break;
}