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Posted by David Haynes on 10/24/72 11:37
Jim Michaels wrote:
> I thought the syntax for PHP to access a string 's chars was $s{0} in the
> manual.
> does [0] really work in practice?
> "Charlie King" <charlie@removethisitsaspamtrap.stopthatitssilly.com> wrote
> in message news:2qdhs1l83afgqk9t5qnfhiffqt97oic9sd@4ax.com...
>> On Sat, 07 Jan 2006 17:05:49 -0500, in
>> <%WWvf.23054$%h2.16196@fe18.usenetserver.com> (alt.comp.lang.php)
>> David Haynes <david.haynes2@sympatico.ca> wrote:
>>
>>
>>> or
>>> <?php
>>> $s = "K123456";
>>>
>>> switch( $s[0] ) {
>>> case 'K':
>>> // code for K
>>> break;
>>> case 'T':
>>> // code for T
>>> break;
>>> }
>>> ?>
>> or
>>
>> <?php
>> $s = "K123456";
>>
>> switch( $s[0] ) {
>> case 'K':
>> // code for K
>> break;
>> case 'T':
>> // code for T
>> break;
>>
>> default:
>> // code for when neither is true
>>
>> }
>> ?>
>>
>> :)
>> --
>> Charlie
>
>
Yes. $s[0] (which I read a 'ess at zero' works just fine.
RE: the use of default
It is not always necessary or desired. It depends upon the situation.
For example, having a K or T prefix on a string could simply set some
switches (booleans) that will be used later in the code.
-david-
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