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Date: Thu, 01 Dec 2005 09:29:06 +0100
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To: Sara Golemon <pollita@php.net>
Cc: internals@lists.php.net
References: <2B.E1.14828.4130D834@pb1.pair.com> <000001c5f584$77823f80$e902a8c0@thinkpad> <002c01c5f5bf$f55e8c20$7d051fac@stumpy> <438DD0A3.6000908@iamjochem.com> <008501c5f603$ba2e04c0$7d051fac@stumpy>
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Subject: Re: [PHP-DEV] Labeled Break (nothing at all whatsoever to do withGOTO)
From: jochem@iamjochem.com (Jochem Maas)

thanks for the explanation Sara, :-), as always your manner and ideas
are an example to the 'php core', 'we' (they) are lucky to have you :-)

Sara Golemon wrote:
>> what happens when I want to place a 'goto' label just before a while 
>> or foreach
>> loop (upon which I haven't put a label)? I ask because I assume that 
>> the following 2
>> statements should be identical no:?
>>
>> <?php
>> LABEL: while(1) {
>> /* ..etc */
>> ?>
>>
>> <?php
>> LABEL:
>> while(1) {
>> /* ..etc */
>> ?>
>>
> PHP's parser gives no importance to whitespace, so yes, these two are 
> identical.
> 
> In the dual-purpose vision I had for these labels, all labels would be 
> usable as GOTO targets.  Labels which are followed *immediately* by a 
> break container construct (for, foreach, while, do-while, switch) would 
> also be usable as break/continue targets.
> 
> Note that in these example, goto LABEL; and continue lABEL; are *not* 
> the same statement.  Goto would restart state loops such as for() and 
> foreach() from initial positions.
> 
> -Sara