ID: 11447
Comment by: devis at witcom dot com
Reported By: per dot persson at gnosjo dot pp dot se
Status: Closed
Bug Type: Scripting Engine problem
Operating System: Linux (RedHat 6.2)
PHP Version: 4.0.4pl1
New Comment:
this problem is still open on 4.3.4
Previous Comments:
------------------------------------------------------------------------
[2003-04-03 11:29:47] liamr at umich dot edu
Could you guys update the documentation to reflect this?
Just reading the sections on switches and the alternate syntax, I
thought that this would work..
<?php switch ( $fruit ): ?>
<?php case 'pears': ?>
I understand Zeev's response to Vlad, and having to do this instead...
<?php switch ( $fruit ):
php case 'pears': ?>
but there's no mention of this in the docs.
------------------------------------------------------------------------
[2001-07-15 16:47:32] [EMAIL PROTECTED]
Spaces are indeed significant. Here's why.
<? switch($var){ ?>
<? case "alpha":
break;
}?>
Is equivalent to
<? switch($var) {
print " ";
break;
}?>
The two spaces outside the PHP blocks are a valid two character HTML
block!
Whereas:
<? switch($var){ ?>
<? case "alpha":
break;
}?>
is equivalent to:
<? switch($var){
case "alpha":
break;
}?>
which is valid.
Vlad was wrong, the bug is not valid :)
------------------------------------------------------------------------
[2001-06-19 17:16:53] per dot persson at gnosjo dot pp dot se
Observe that the spaces are significant.
This doesn't work:
<? switch($var){ ?>
<? case "alpha":
break;
}?>
This does!:
<? switch($var){ ?>
<? case "alpha":
break;
}?>
I suppose that the interpreter converts text outside <? ?> to echo
statements, so that the first code block is equivalent to:
<? switch($var){
echo ' ';
case "alpha":
break;
}?>
This code block gave the same parse error as the first one!
(Expecting T_CASE or T_DEFAULT or '}')
------------------------------------------------------------------------
[2001-06-19 12:29:47] [EMAIL PROTECTED]
The bug is valid - if you close and reopen the PHP tags between the
switch and the case statement, it is going to bark at you. It
shouldn't.
This does not work:
<? switch($var){ ?>
<? case "alpha":
break;
}?>
This does:
<? switch($var){
case "alpha":
break;
}?>
Why in the world would anyone do that, is a whole other issue, still
they probably expect to be able to do just that. If they can't, we
either need to document it as such, (thus re-classify this as
documentation problem) or fix it. I do not know what it takes to fix
that, but it is a valid report nevertheless.
Unbogusifying...
------------------------------------------------------------------------
[2001-06-13 14:58:29] per dot persson at gnosjo dot pp dot se
Which style I use, the "classical" style (using {}) or the
"alternative" style (using : and endswitch), doesn't matter; the
problem is the same.
Sniper's comment about using <? ?> several times is surely justified
when having one-line code as in his example, but when it comes to
multi-line code, there is an issue of readability. I think that script
A below is easier to read than script B. Don't you?
--- begin script A ---
<? switch($var): ?>
<? case "alpha": ?>
<p>Alpha</p>
<? break; ?>
<? case "beta": ?>
<p>Beta</p>
<? break; ?>
<? default: ?>
<p>Default</p>
<? break; ?>
<? endswitch; ?>
--- end script A ---
--- begin script B ---
<?
switch($var):
case "alpha": ?>
<p>Alpha</p>
<? break;
case "beta": ?>
<p>Beta</p>
<? break;
default: ?>
<p>Default</p>
<? break;
endswitch; ?>
--- end script B ---
------------------------------------------------------------------------
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the rest of the comments, please view the bug report online at
http://bugs.php.net/11447
--
Edit this bug report at http://bugs.php.net/?id=11447&edit=1
