Re: [PHP] GD functions don't delete temporary files
Steve wrote: I am using GD image function with PHP (PHP 4.3.9 on RedHat 9). Today I found that for all images I have created so far (using the ImageGIF() function), there is a temporary file in /tmp with that image. The name of the temp file is a 6 character combination of letters and digits, e.g. jvc5Ne. To be sure it's not a config problem, I compiled again with minumum options and minimum script ./configure --with-gd --with-zlib ?php $im = ImageCreate(20, 20); ImageGIF($im); ImageDestroy($im); ? But the problem is still there (CGI and CLI sapi tested). I used the -n option, so php.ini can't cause the problem, either. Has anyone else experienced that? Regards, Steve http://www.php.net/manual/en/function.imagegif.php - *Note: * Since all GIF support was removed from the GD library in version 1.6, this function is not available if you are using that version of the GD library. http://www.php.net/manual/en/function.imagecreatefromgif.php - *Note: * GIF support was removed from the GD library in Version 1.6, and added back in Version 2.0.28. This function is not available between these versions. Regards, Martin -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] GD functions don't delete temporary files
Jay Blanchard wrote: [snip] But the problem is still there (CGI and CLI sapi tested). I used the -n option, so php.ini can't cause the problem, either. Has anyone else experienced that? [/snip] Yes. You will have to write your own clean-up code for things like this. I don't mean any user generated temporary files, I mean files which are created by the PHP function ImageGIF(). How should I even know which temporary file name GD chose in each case, or whether it created a temp file at all in a particular case? Regards, Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] GD functions don't delete temporary files
http://www.php.net/manual/en/function.imagegif.php - *Note: * Since all GIF support was removed from the GD library in version 1.6, this function is not available if you are using that version of the GD library. http://www.php.net/manual/en/function.imagecreatefromgif.php - *Note: * GIF support was removed from the GD library in Version 1.6, and added back in Version 2.0.28. This function is not available between these versions. Well, that's not the problem. As noted, I use PHP 4.3.9 which is bundled with GD 2.0.28, which again includes the GIF functions. And... the functionality itself works fine (the GIF is written to STDOUT correctly, as it should). The only problem is that the function doesn't seem to clean up, and leaves the temporary file it had created undeleted. Regards, Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] GD functions don't delete temporary files
[snip] Yes. You will have to write your own clean-up code for things like this. I don't mean any user generated temporary files, I mean files which are created by the PHP function ImageGIF(). How should I even know which temporary file name GD chose in each case, or whether it created a temp file at all in a particular case? [/snip] Before the image is created you can get an array of things in the temp file, then check for a new thing after the image is created. You can verify the file type and if all is kosher, delete it. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] GD functions don't delete temporary files
* Martin Holm [EMAIL PROTECTED]: Steve wrote: I am using GD image function with PHP (PHP 4.3.9 on RedHat 9). Today I found that for all images I have created so far (using the ImageGIF() function), there is a temporary file in /tmp with that image. The name of the temp file is a 6 character combination of letters and digits, e.g. jvc5Ne. To be sure it's not a config problem, I compiled again with minumum options and minimum script ./configure --with-gd --with-zlib ?php $im = ImageCreate(20, 20); ImageGIF($im); ImageDestroy($im); ? But the problem is still there (CGI and CLI sapi tested). I used the -n option, so php.ini can't cause the problem, either. Has anyone else experienced that? http://www.php.net/manual/en/function.imagegif.php - *Note: * Since all GIF support was removed from the GD library in version 1.6, this function is not available if you are using that version of the GD library. Umm... did you read the OP? He's not asking about GIF support -- he's asking why temporary files created by PHP + GD are not being deleted when imagedestroy() is issued. To the OP: from the manual, imagedestroy merely frees memory associated with an image resource; it doesn't remove the temp file associated with it. It's possible that PHP is either relying on the OS's /tmp cleanup routines or Apache's temp file cleanup, or has set a large garbage collection interval itself in its php.ini. -- Matthew Weier O'Phinney | mailto:[EMAIL PROTECTED] Webmaster and IT Specialist | http://www.garden.org National Gardening Association| http://www.kidsgardening.com 802-863-5251 x156 | http://nationalgardenmonth.org -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] GD functions don't delete temporary files
To view the terms under which this email is distributed, please go to http://disclaimer.leedsmet.ac.uk/email.htm On 13 December 2004 16:14, Steve wrote: Seems like this is something that either the GD lib or PHP should be doing and not the user. Shouldn't this be reported as a bug? Yes, I also consider this a bug, unless it's something specific to my system. To find out, I posted this here. This is in the NEWS file for PHP 4.3.10, due out any day now (currently in RC2): Fixed bug #30658 (Ensure that temporary files created by GD are removed). Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] GD functions don't delete temporary files
Seems like this is something that either the GD lib or PHP should be doing and not the user. Shouldn't this be reported as a bug? Yes, I also consider this a bug, unless it's something specific to my system. To find out, I posted this here. Is nobody else out there using ImageGIF() with PHP 4.3.9? Can't believe it... Regards, Stefan -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] GD functions don't delete temporary files
[snip] Before the image is created you can get an array of things in the temp file, then check for a new thing after the image is created. You can verify the file type and if all is kosher, delete it. Seems like this is something that either the GD lib or PHP should be doing and not the user. Shouldn't this be reported as a bug? [/snip] Not necessarily. Several languages require that you write your own clean-up code for things like this. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] GD functions don't delete temporary files
[snip] But the problem is still there (CGI and CLI sapi tested). I used the -n option, so php.ini can't cause the problem, either. Has anyone else experienced that? [/snip] Yes. You will have to write your own clean-up code for things like this. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] GD functions don't delete temporary files
On Monday 13 December 2004 23:21, Jay Blanchard wrote: Before the image is created you can get an array of things in the temp file, then check for a new thing after the image is created. You can verify the file type and if all is kosher, delete it. Seems like this is something that either the GD lib or PHP should be doing and not the user. Shouldn't this be reported as a bug? -- Jason Wong - Gremlins Associates - www.gremlins.biz Open Source Software Systems Integrators * Web Design Hosting * Internet Intranet Applications Development * -- Search the list archives before you post http://marc.theaimsgroup.com/?l=php-general -- /* The hands that help are better far than the lips that pray. -- Robert G. Ingersoll */ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] GD functions don't delete temporary files
Not necessarily. Several languages require that you write your own clean-up code for things like this. Well, but then it should be at least mentioned in the documentation, right? Can you show me where it says that temp files are left over, or how to get the filename of the temp file so that the user can delete the file at all? I've found nothing in the docs about that. Regards, Steve -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] GD functions don't delete temporary files
Jay Blanchard wrote: [snip] Yes. You will have to write your own clean-up code for things like this. I don't mean any user generated temporary files, I mean files which are created by the PHP function ImageGIF(). How should I even know which temporary file name GD chose in each case, or whether it created a temp file at all in a particular case? [/snip] Before the image is created you can get an array of things in the temp file, then check for a new thing after the image is created. You can verify the file type and if all is kosher, delete it. This would be a recipe for disaster. Other programs/processes will use /tmp to create GIF files, and there is NO WAY to can be sure the one you want is the one you delete. In particular, if your web site gets busy, your script may well be running in parallel, with multiple instances of GIF files in /tmp, and there is really really NO WAY AT ALL to know which file goes with which script process. Actually, you could *maybe* check enough info about the file, such as process id owner stuff, if that's recorded... But, really, this is just going to be way more trouble than it's worth. Don't do this. Re-configure your server to delete /tmp files faster or more often. Or, see if you can get imagegif() to save the files elsewhere by passing in a valid filename *YOU* choose (possibly still in /tmp) as an argument. *THEN* you could safely delete the file, since you chose the name. -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] GD functions don't delete temporary files
Seems like this is something that either the GD lib or PHP should be doing and not the user. Shouldn't this be reported as a bug? Yes, I also consider this a bug, unless it's something specific to my system. To find out, I posted this here. Is nobody else out there using ImageGIF() with PHP 4.3.9? Can't believe it... As a work-around, you may want to try http://php.net/imagepng It's a superior format anyway, and OpenSource, and without the turbulent history of GIF. Of course, if you *NEED* GIF for some reason, you need GIF. But if you just want low-bandwidth images, PNG will suffice. Some very very very very old browsers support GIF and not PNG, but nothing that's even remotely current doesn't support PNG, as far as I know. 'Course, the PNG may have the same issue as well. -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
