PHP - 切换多个case语句

Question

有人可以建议我如何替换下面的代码如何重写代码以避免重复块 case 3:{code block A; break;}

`

switch(i){
  case 1:{code block A; break;}
  case 2:{code block b; break;}
  case 3:{code block A; break;}
  default: {code block default; break;}
}

`

如何结合案例1和案例3的代码

Answer 1

switch (i) {
    case 1:
    case 3:
        code block A;
        break;
    case 2:
        code block B;
        break;
    default:
        code block default;
        break;
}

Answer 2

像这样的东西

switch(i){
    case 1:
    case 3:{code block A; break;}
    case 2:{code block b; break;}
    default: {code block default; break;}
}