Description:
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I set upload_max_filesize in php.ini to 64M

I'm using a simple html form to post/upload a file to a simple php script. If I upload files smaller than 8MB everything works fine. If I upload a file larger than 8MB, print_r( $_POST ) and print_r( $_FILES ) are empty.

Important note: 8MB is not a magic number. On my localhost 10MB files do upload, but 50MB files do not. 8MB files will not work on my remote website, but 7MB files will work.



Reproduce code:
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complete HTML file:

<form enctype="multipart/form-data" action="simpleuploadtest.php" method="POST">
<input type="text" name="mytitle" value="junkjunk and more junk" />
Choose a file to upload: <input name="uploadedfile" value="" type="file" /><br />
<input type="submit" value="Upload File" />
</form>


complete PHP file:

<?php
echo 'testing123<BR><BR>';
echo $_POST['mytitle'];
echo '<BR><BR>';
print_r( $_POST );
echo '<BR><BR>';
print_r( $_FILES );
?>


Expected result:
----------------
I expect the $_POST and $_FILES arrays to have contents, like this:

testing123

junkjunk and more junk

Array ( [mytitle] => junkjunk and more junk )

Array ( [uploadedfile] => Array ( [name] => junk.bin [type] => application/macbinary [tmp_name] => /private/var/tmp/php0tupN2 [error] => 0 [size] => 10485760 ) ) 

Actual result:
--------------
The $_POST and $_FILES arrays are empty, like this:

testing123



Array ( )

Array ( )