Hi,
I've a problem of < headers already sent > when I send a file to the
browser.
My config is :
- CentOs 5.2 with php 5.2.9
- symfony version 1.2.4 (stable)
The code to show the problem, I've made this method :
[code]
public function executeFile(sfWebRequest $request)
{
$this->line = $request->getParameter('line', 1024);
$this->path = sfConfig::get('sf_web_dir').'/tmp/';
$this->filename = 'file.txt';
// generate a text file of (n line of 1KB)
$my1kb = str_repeat('0123456789abcdef', 64);
$handle = fopen($this->path.$this->filename, "wb");
for ($i=0; $i < $this->line; $i++)
{
fwrite($handle, $my1kb);
}
fclose($handle);
// send the file to the browser
$response = $this->getResponse();
$response->clearHttpHeaders();
$response->setContentType('text/plain; charset=UTF-8');
$response->setHttpHeader('Content-Disposition', 'attachment;
filename='.$this->filename);
$response->setHttpHeader('Content-Length',
filesize($this->path.$this->filename));
$response->setContent(file_get_contents($this->path.$this->filename,
false));
$response->sendHttpHeaders();
$response->sendContent();
return sfView::NONE;
}
[/code]
The result (file of 1MB) :
[result]
0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789ab
cdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef01234567
89abcdef0123456789abcdef0123456789abcdef. . .
. . . 3456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef<br />
<b>Warning</b>: Cannot modify header information - headers already sent by
(output started at
./lib/vendor/symfony/lib/response/sfResponse.class.php:105) in
<b>./lib/vendor/symfony/lib/response/sfWebResponse.class.php</b> on line
<b>335</b><br />
<br /> .
[/result]
If I generate a file less then 5KB, it works fine !
I test the same code on WinXP (XAMPP with php 5.2.4), it works fine !
Where is the problem ?
I've clean the cache
I've made tests on prod en dev environnement
There is no ?> at the end of the class
I've upgrade php from 5.2.8 to 5.2.9 and it's the same result.
Is PHP ? is symfony ? or else ?
Olivier
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