Source: https://koop.sh/software/allow-json-uploads-to-wordpress-media-library/
<?php
/**
* Allow JSON file uploads to WordPress media library.
*
* @package WordPress
*
* @author Justin Kopepasah <justin@kopepasah.com>
*/
/**
* Filters the uploads mime types to allow JSON files.
*
* @param array $types Currently allowed types.
*
* @return array Filtered types.
*/
add_filter(
'upload_mimes',
function( $types ) {
return array_merge( $types, [ 'json' => 'text/plain' ] );
}
);*/
/**
* Filters the uploads mime types to allow JSON files.
*
* @param array $types Currently allowed types.
*
* @return array Filtered types.
*/
add_filter(
'upload_mimes',
function( $types ) {
return array_merge( $types, [ 'json' => 'text/plain' ] );
}
);