Remote Media Loader: WordPress

remote-media-loader.php

<?php
/**
 * Loads media from a remote site when on a local dev environment. 
 * Eliminates the need to download the uploads directory from the remote site for testing purposes.
 * Just make sure to update the obvious URLs below 🤔👏🎉
 * Also, throw this in your mu-plugins folder, or create a plugin for yourself.
 */
if ( 'yourbigfatwebsite.local' === $_SERVER['HTTP_HOST'] ):
	add_filter( 'upload_dir', function ( $uploads ) {
		$uploads['baseurl'] = 'http://yourbigfatwebsite.com/wp-content/uploads';
		return $uploads;
	} );
endif;