mutliple conditions on single switch case

Question

Possible Duplicate:
How to use a switch case 'or' in PHP?

Is it possible to have multiple conditions on single switch case for example

switch($device) {
  case 'blackberry':
  break;
  case 'iphone' || 'ipod' || 'android':
  break;
}

Thanks for the help.

Stewie · Answer 1 · 2012-02-02T14:21:58.023

6

switch($device) {
  case 'blackberry':
  break;
  case 'iphone':
  case 'ipod':
  case 'android':
  do_something();
  break;
}

As per the comment below I will elaborate a little bit.

The break statement breaks the execution of a switch statement and exits. So, if you had

case "iphone":
do_iphone();
case "ipod": 
do_ipod();
break;

(note the missing break between two cases). Both do_iphone(); and do_ipod(); will execute (in order). So, basically what we are doing is a "hack" where the engine goes to the case iphone, and executes (nothing to execute in our original case) and moves ahead to ipod and so on.

edited Feb 02 '12 at 14:21

answered Feb 02 '12 at 14:15

Stewie

3,103
2
24
22

Correct. I think you could elaborate as to why so MrDoh will understand why not having a break between the three conditions is what he's looking for. – Crashspeeder Feb 02 '12 at 14:16

score 3 · Accepted Answer · answered Feb 02 '12 at 14:16

3

Not with the syntax you are suggesting, you'd have to create multiple cases that point to the same action, for example:

switch($device) {
  case 'blackberry':
    blackberryFunction();
    break;
  case 'iphone':
  case 'ipod':
  case 'android':
    nonBlackberry();
    break;
}

answered Feb 02 '12 at 14:16

Oldskool

34,211
7
53
66

Here's a working example: http://ideone.com/SGXrA – Brigand Feb 02 '12 at 14:18

score 1 · Answer 3 · edited Feb 02 '12 at 14:19

1

switch($device) {
  case 'blackberry':
  break;
  case 'iphone':
  case 'ipod':
  case 'android':
      //handle all three here
  break;
}

edited Feb 02 '12 at 14:19

Oldskool

34,211
7
53
66

answered Feb 02 '12 at 14:15

Pheonix

6,049
6
30
48

score 0 · Answer 4 · answered Feb 02 '12 at 14:16

0

Yes, simply use multiple case statements under one another -

switch($device){
    case 'blackberry':
    //implementation
    break;
    case 'iphone':
    case 'ipod':
    case 'android':
    //implementation
    break;
}

answered Feb 02 '12 at 14:16

Hecksa

2,762
22
34

score 0 · Answer 5 · answered Feb 02 '12 at 14:18

0

Just ‘stacking’ the case statements is enough:

switch($device) {
    case 'blackberry':
        break;
    case 'iphone':
    case 'ipod':
    case 'android':
      break;
}

answered Feb 02 '12 at 14:18

entropid

6,130
5
32
45

mutliple conditions on single switch case

5 Answers5