Lowercase All Filenames
This snippet will automatically lowercase all filenames.
Code
Filename: gpfr-lowercase-all-filenames.php
<?php
/**
* Gravity Perks // GP File Renamer // Lowercase All Filenames
* https://gravitywiz.com/documentation/gravity-forms-file-renamer/
*
* This snippet will automatically lowercase all filenames.
*/
add_filter( 'gpfr_filename', function( $renamed_file, $file, $entry ) {
return strtolower( $renamed_file );
}, 10, 3 );