php 8 when to switch code example

Example 1: switch case php

switch (fruit) {
  case apple:
    code to be executed if fruit=apple;
    break;
  case banana:
    code to be executed if fruit=banana;
    break;
    ...
  default:
    code to be executed if fruit is different from all fruits;
}

Example 2: switch php

switch ($i) {
    case 0:
        echo "i equals 0";
        break;
    case 1:
        echo "i equals 1";
        break;
    case 2:
        echo "i equals 2";
        break;
    default:
       echo "i is not equal to 0, 1 or 2";
}