WordPress file upload limit settings for single and multiple-sites

Category: Linux PHP WordPress

Single Site WordPress file-upload configuration Settings

For single site WordPress instance, the file upload configuration can be done by changing php.ini, wp-config.php or .htaccess by as follows:

Editing /etc/php.ini file parameters

memory_limit = 100M
post_max_size =100M
file_uploads = On
upload_max_filesize = 100M

Adding the following to the .htaccess file:

php_value upload_max_filesize 100M
php_value post_max_size 100M
php_value memory_limit 100M

Adding the line before the authentication keys in ‘wp-config.php’ file

define('WP_MEMORY_LIMIT', '100M');

Multisite WordPress File-Upload Configuration Settings

1. Go to the root site as superadmin user
2. Go to Network admin page, in WordPress 3.1 it should be at the top right of the admin screen.
3. Click on “Settings” in the admin panel on the left hand side of the screen.
4. Near the bottom of this page is a section called “Upload Settings”. Find it.
5. There is a field for “Max Upload File Size”. The units are KB.
6. Convert your intended file size into KB. (100MB = 100 * 1024 * 1024KB = 104857600KB) save changes at the bottom. Test the configuration.

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