file upload doesn't exist sometimes

[dadamssg87]

I'm trying to do a simple image upload. It works fine on my local server but i'm moving all my files to my production server and some files i attempt to upload, via an html form, don't register. The $_FILES variable doesn't exist sometimes. I think its because of the file size but i'm not sure.

 

The form has two inputs: "title" and "userfile". I can put something in the title and attempt to upload a small excel file and both $_POST and $_FILES exist but if i do a larger image file both $_POST and $_FILES don't even get set.

 

I did an "echo ini_get('post_max_size');" and i get "8M". The image i'm attempting to upload is only 0.34M so i should be good there.

 

I've replaced the actual upload script with this, which is how i found out the variables only get set sometimes

 

 

Any suggestions would be much appreciated.

<?php
  echo "Upload: " . $_FILES["userfile"]["name"] . "<br />";
  echo "Type: " . $_FILES["userfile"]["type"] . "<br />";
  echo "Size: " . ($_FILES["userfile"]["size"] / 1024) . " Kb<br />";
  echo "Stored in: " . $_FILES["userfile"]["tmp_name"];

	echo "<hr><pre>";
	print_r($_POST);
	echo "</pre><hr>";

	echo "<pre>";
	print_r($_FILES);
	echo "</pre>";

 

 

[QuickOldCar]

You can try out this upload script I did and tell me if works or not

http://www.phpfreaks.com/forums/index.php?topic=350730.msg1655695#msg1655695

 

You can also change these in your php.ini file

    upload_max_filesize = 10M

    post_max_size = 10M

 

[dadamssg87]

that script wouldn't work if there are no $_POST or $_FILES variables

[QuickOldCar]

The reason for me posting this was to see if your server is capable of uploading the file every time.

 

You never posted anything else with your code.

[PFMaBiSmAd]

What does the following (added to your test code) show -

 

echo $_SERVER['CONTENT_LENGTH'];

 

Did the display of the echo ini_get() statement display exactly 8M or was it something like 8MB?

[dadamssg87]

@PFMaBiSmAd, no "B" with it, just "8M". $_SERVER['content_length'] shows 494079.

 

@QuickOldCar, i get "Select your file to upload." with your script.

 

 

[QuickOldCar]

The script works if there is a folder named upload, and the script in the same location as that folder

 

Otherwise edit the target path for where to save your images.

[dadamssg87]

That response was with my edited target patch.

[PFMaBiSmAd]

What does adding the following three lines of code, immediately after the <?php tag show -

 

ini_set("display_startup_errors", "1");
ini_set("display_errors", "1");
error_reporting(-1);

 

What does the phpinfo(); output show for both the master and local 'post_max_size'?

 

Any chance your server has the Suhosin hardened php patch installed as it can mess with the external data that can be submitted?

 

Edit: also what php version and what does the phpinfo() output show for register_globals?

[dadamssg87]

was no change with the displaying of the errors. Still getting php errors that i'm getting an undefined index with $_FILES(the name of the form input).

 

phpinfo() shows 8M for both moster and local. register_globals is off.

 

 

[PFMaBiSmAd]

Is your upload form a simple html form or is it doing something with javascript/ajax/flash that could potentially make the form invalid or prevent the submission of any actual data under certain circumstances?

 

I would contact your web host to see if they have imposed some upload size policy that is outside of what the php settings can affect.