Increasing User File Upload Limits Using php.ini on Your Linux Server

Warning: For the shared hosting version of these instructions, see PHP upload limits on shared hosting

Note: The location of your php.ini file can vary, depending on your operating system/control panel combination. If you are using Fedora 4 with Parallels Plesk Panel, for example, this file is in the following location: /etc/php.ini

If you are using a different operating system and/or control panel, you can find the location of your php.ini file by running the following from your command line:

php -i | grep php.ini

There are two variables within your php.ini file that are responsible for managing user file uploads.

  • post_max_size This variable determines the maximum amount of data that PHP will accept in a single form submission using the POST method. Its default value is 8 MB, as shown below:
    post_max_size = 8M
  • upload_max_filesize This variable limits the size of an individual file uploaded to your site. Its default value is 2 MB, as shown below:
    upload_max_filesize = 2M

An increase in the value of these variables expands user file upload limits.

Note: After making changes to php.ini, you must perform an httpd restart for them to take effect. This is accomplished by running the following from your command line:

/etc/init.d/httpd restart

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