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Posted by Catalin Trifu on 08/17/05 18:19
Hi,
Indeed a fclose($fp) is needed (wrote it as an example :)).
1MB is more than enough as a buffer. If you have a 53MB file,
what will happen then ?
I have no idea if it's a bug or a feature. Either way I did lose
some hair over this when I switched from PHP4 to PHP5.
Catalin
Jordan Miller wrote:
> Catalin,
>
> Wow, that worked great, thanks.
>
> I'm curious why you set a static buffer of 1024768... why not just do
> filesize($file), as shown at http://www.php.net/fread ? Is it better
> for memory usage to have a potentially smaller buffer? Also, you may
> want an fclose($fp) after the file has been downloaded.
>
> So is this a bug in PHP 5 or are they just purposely limiting the
> abilities of the "readfile" command?
>
> Jordan
>
>
>
> On Aug 17, 2005, at 3:36 AM, Catalin Trifu wrote:
>
>
>> Hi,
>>
>> I've had a similar problem. The download always stopped at
>> exactly 2.000.000 bytes.
>> You have to work around that with:
>> $fp = fopen($file, 'r');
>> if($fp) {
>> while(!feof($fp)) {
>> echo fread($fp, 1024768);//see the huge buffer to read into
>> }
>> } else {
>> //whatever error handler
>> }
>>
>> Catalin
>>
>>
>> Jordan Miller wrote:
>>
>>
>>> Hello all,
>>> I am new to this list and I have searched the archives to no avail.
>>> I am having a peculiar problem when upgrading to PHP 5: My
>>> downloads are now limited to the first 1.9 MB of the file in
>>> question, with the download either terminating at 1.9 MB or
>>> seemingly continuously stuck in a downloading process at 1.9 MB.
>>> The code in the PHP script has not changed and all parameters that
>>> I could find that are relevant to this problem are given below:
>>> the minimal code needed for download:
>>> // $file_to_read is the complete path of the file to download
>>> header("Content-Type: application/pdf");
>>> header( "Content-Disposition: inline; filename=\"$filename \"");
>>> $len = filesize($file_to_read);
>>> header("Content-Length: $len");
>>> @readfile($file_to_read);
>>> php.ini file for both php version 4 and 5 contain the following
>>> settings that may be relevant:
>>> allow_url_fopen = On
>>> max_execution_time = 300 ; Maximum execution time of each
>>> script, in seconds
>>> max_input_time = 300 ; Maximum amount of time each script may
>>> spend parsing request data
>>> memory_limit = 8M ; Maximum amount of memory a script may
>>> consume (8MB)
>>> post_max_size = 200M
>>> upload_max_filesize = 200M
>>> Some additional details:
>>> All files less than 1.9 MB download fine
>>> It is not a corrupted file, because all files larger than 1.9 MB
>>> fail after 1.9 MB
>>> The connection is not timing out (download of 1.9 MB takes only ~15
>>> sec)
>>> Mac OS X 10.3.9 with Marc Liyanage's PHP 5.0.4
>>> Fails for both Safari and Firefox
>>> Fails regardless of "inline" or "attachment"
>>> Fails regardless of "pdf" or "ppt" content-type
>>> This PHP code ALWAYS works for Marc Liyanage's PHP 4.3.4 with the
>>> same settings, above
>>> What am I doing wrong??? Any other parameter in php.ini I should
>>> have set? Any suggestions are much appreciated.
>>> thanks,
>>> Jordan
>>>
>>>
>>
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>>
>>
>>
>>
>>
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