| Re: header() not being honored? [message #174798 is a reply to message #174796] |
Sun, 10 July 2011 14:18  |
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Andre[1]
Messages: 7
Registered: June 2011
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Junior Member |
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Le Sun, 10 Jul 2011 08:47:46 +0200, Thomas 'PointedEars' Lahn a écrit :
> Andre wrote:
>
>> Le Fri, 08 Jul 2011 08:57:39 -0400, Billy Mays a écrit :
>>> Am I misunderstanding how to use the header function? Is there
>>> another way to see whats going on? Unfortunately, I'm in a shared
>>> hosting environment, PHP: 4.4.9
>>
>> I alreay had the problem.
>> If you attempt to print anything BEFORE the call to header, it skip.
>
> True.
>
>> But any blank line could cause the troube, I had once a blank line in a
>> 'required file', something like:
>>
>> Debug = 1;
>
> AFAIK this is not PHP code.
>
> define('Debug', 1);
>
> or
>
> $Debug = 1;
>
> would be.
>
>> ?>
>>
>> The blank line between debug and ?> shoule also be removed.
>
> Nonsense. Blank lines in the *generated* output matter, as the response
> message body is considered to have started then. What is between
> `<?php' and `?>' is not sent to the standard output as-is, but its
> parsing result is. The parser ignores all whitespace unless it
> separates tokens or is within a string literal (single-quoted,
> double-quoted, here-doc, or here- string).
>
> <http://www.php.net/manual/en/tutorial.firstpage.php>
>
>> I still have trouble in a last script, so if someone has more on this..
>
> You need to look *before* `<?php' and *after* `?>' for unwanted
> whitespace and Byte Order Marks (BOMs), and *between* those delimiters
> for *statements* that *generate* it (an empty line is not). For
> example, a common mistake is to store a PHP script encoded in a UTF and
> attach a BOM (here for UTF-8, where it is unnecessary and unwise
> anyway):
>
> <EF><BB><BF><?php
> header('...');
> ?>
>
> A way to find out is
>
> wget -O - http://example.example/index.php > /tmp/out.php hexedit
> /tmp/out.php
>
>
> PointedEars
I just corrected my last problem, and surprising it was a blank line
'BEFORE' the <?php
Now the 'header is well honored.
REgards
André
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