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Re: Switch question [message #184626 is a reply to message #184607]

Mon, 13 January 2014 04:01

Norman Peelman
Messages: 126
Registered: September 2010

Karma:

Senior Member

On 01/12/2014 04:07 PM, Norman Peelman wrote:
> On 01/12/2014 12:26 PM, richard wrote:
>> On Sun, 12 Jan 2014 17:18:59 +0000 (UTC), Denis McMahon wrote:
>>
>>> On Sun, 12 Jan 2014 11:48:48 -0500, richard wrote:
>>>
>>>> The manual for PHP switch shows no examples on how to use multiple
>>>> values for the same case.
>>>> In liberty basic I would use the following:
>>>> case 1,2,3,4 case "A","B","C"
>>>>
>>>> What is the equivelant in PHP?
>>>>
>
> PHP does not support that method directly as you have discovered.
>
>>>> I use the following code to acquire a value:
>>>> $value=$_GET['v'];
>>>> switch ($value){
>>>> case "A";
>>>
>
> Under normal circumstances we know that $value is a string, therefor
> what is actually in $value is the question. If the code for *case "A"*
> is not being executed then $value <> A.
>
>>> This is f'd up, despite what you may believe ":" is not the same as ";"
>>>
>>>> echo "Does Not Work!";
>>>> case A:
>>>> echo "Does Not Work!";
>>>> }
>>>>
>>>> So what is the proper way to ensure the proper case is found correctly?
>>>
>
> The example above would indicate that there is a CONSTANT A that
> $value is compared against. You are mixing problems.
>
>
>>> You seem to have missed the paragraph beginning "It is important to
>>> understand how the switch statement is executed in order to avoid
>>> mistakes." on the manual page. This paragraph answers your question.
>>
>> for once I get to say, to you, >>>> RTFM!
>> : is used for constants.
>> ; is used for strings.
>>
>
> Not true, the online manual simply indicates that a ; may be used
> instead of a : period. Don't know why, I'd never do it that way - seems
> to add confusion.
>
>> As usuaul, I find the answer to my question.
>> Instead of commas, use ||.
>>
>> case 1 || 2 || 3:
>> case "A" || "B" || "C";
>>
>> The syntax is correct!
>>
>
> There is nothing wrong with that syntax. It is merely an expression
> that ends up being true or not. Using : or ; for either case works as
> tested.
>
>

Doh! scratch that... doesn't work.

--
Norman
Registered Linux user #461062
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[Message index]

		Switch question By: Mr Oldies on Sun, 12 January 2014 16:48
		Re: Switch question By: Denis McMahon on Sun, 12 January 2014 17:18
		Re: Switch question By: Mr Oldies on Sun, 12 January 2014 17:26
		Re: Switch question By: Luuk on Sun, 12 January 2014 17:44
		Re: Switch question By: Evan Platt on Sun, 12 January 2014 18:47
		Re: Switch question By: Denis McMahon on Sun, 12 January 2014 23:15
		Re: Switch question By: Norman Peelman on Sun, 12 January 2014 21:07
		Re: Switch question By: Norman Peelman on Mon, 13 January 2014 04:01
		Re: Switch question By: Norman Peelman on Mon, 13 January 2014 04:10
		Re: Switch question By: Norman Peelman on Mon, 13 January 2014 11:53
		Re: Switch question By: Denis McMahon on Mon, 13 January 2014 13:11
		Re: Switch question By: Denis McMahon on Sun, 12 January 2014 23:14
		Re: Switch question By: Doug Miller on Mon, 13 January 2014 01:40
		Re: Switch question By: The Natural Philosoph on Mon, 13 January 2014 01:54
		Re: Switch question By: Doug Miller on Mon, 13 January 2014 03:19
		Re: Switch question By: Arno Welzel on Mon, 13 January 2014 14:34
		Re: Switch question By: Denis McMahon on Sun, 12 January 2014 17:22
		Re: Switch question By: Thomas 'PointedEars' on Sun, 12 January 2014 22:36
		Re: Switch question By: Luuk on Sun, 12 January 2014 17:21
		Re: Switch question By: Beauregard T. Shagnas on Sun, 12 January 2014 17:34
		Re: Switch question By: Arno Welzel on Mon, 13 January 2014 14:32

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