PHP upload fail (empty $_FILES)

Question

I have a common problem in PHP : My $_FILES array is empty when files are too big.

php.ini :

max_execution_time = 300000
max_input_time = 600000000
memory_limit = 5100MB
post_max_size = 5000MB
upload_max_filesize = 5000MB

The file :

Trouve.tar : 910Mo

Configuration values are huge but I want to be sure that the script have the time and the memory to do the upload.

So, the authorized size is bigger than the file size, but I have the same error than other people (like problem with uploading the images with php file upload for exemple)

Have I missed some configuration setting ?

Seriously, is that 910 megabytes? I didn't look it up, but PHP likely has some builtin hard limits. — mario
– mario, Commented Jan 17, 2011 at 15:20
Single file? Must it be a form request? Else capturing a PUT request might make sense. — mario
– mario, Commented Jan 17, 2011 at 15:28
@mario Yes it is a single file from a form request. I didn't know PUT request, I'll try this. — MARTIN Damien
– MARTIN Damien, Commented Jan 17, 2011 at 15:32

Chuck Burgess · Accepted Answer · 2011-02-03 20:43:18Z

6

The problem is your post_max_size is the same size as upload_max_filesize which will cause the $_FILES array (and $_POST) to be empty. If you up the limit on the post_max_size, the $_FILES array will no longer be empty.

EDIT: Not sure why the negative vote. While it may not apply exactly in this case, it is worth mentioning. This is exactly what php.net says: http://www.php.net/manual/en/ini.core.php#ini.post-max-size.

If the size of post data is greater than post_max_size, the $_POST and $_FILES superglobals are empty.

edited Feb 3, 2011 at 20:43

answered Feb 3, 2011 at 15:57

Chuck Burgess

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2 Comments

MARTIN Damien Over a year ago

Negative vote was not mine. Sorry. I'll try what you said when I will have time. For the moment I gave up. Thank you.

Abhishek Over a year ago

@ChuckBurgess Its a true fact :)

egg · Accepted Answer · 2012-02-03 01:19:32Z

3

Instead of MB use M

memory_limit = 5100M

post_max_size = 5000M

upload_max_filesize = 5000M

answered Feb 3, 2012 at 1:19

egg

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Comments

hahaha · Accepted Answer · 2011-01-20 13:59:35Z

3

Check your upload_limit in your php.ini settings.

In your html form tag, do not forget to put this: enctype="multipart/form-data"

answered Jan 20, 2011 at 13:59

hahaha

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1 Comment

MARTIN Damien Over a year ago

Thank you hlegius but I cant find "upload_limit" in my php.ini and seems to not exists : google.fr/…. My form works with small files (until approximatively 300Mo), so yes "enctype="multipart/form-data"" is set.

scoffey · Accepted Answer · 2011-01-17 15:36:12Z

1

Check you web server limits in addition to the php.ini configuration.

For example, you'll probably have to increase the LimitRequestBody if you're using Apache or the client_max_body_size if you're using nginx.

When an HTTP request is larger that the limit accepted by the web server, it returns an HTTP response with status: 413 Request Entity Too Large.

answered Jan 17, 2011 at 15:36

scoffey

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2 Comments

MARTIN Damien Over a year ago

LimitRequestBody has been set to 0 (no limit) and the result script is shown (no server error for a "too large file").

scoffey Over a year ago

Make sure these settings are OK in the php.ini or the virtual host configuration file: upload_max_filesize, post_max_size, max_execution_time and max_input_time. What's the output when debugging: var_dump($_FILES) and var_dump($_REQUEST)? You may also try activating LogLevel debug in Apache to check any problems the server logs when you upload the file.

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