theme-roots.php

theme-roots.php

<?php
/* Plugin Name: Local Theme Roots */

add_filter( 'theme_root_uri', 't5_switch_theme_root' );
add_filter( 'theme_root',     't5_switch_theme_root' );

/**
 * Create a custom theme directory.
 *
 * @wp-hook theme_root
 * @wp-hook theme_root_uri
 * @author  Thomas Scholz, http://toscho.de
 * @param   string $in URL or path
 * @return  string
 */
function t5_switch_theme_root( $in )
{
	// local multi-sites end with 'mu.wp'. Example: t5.mu.wp.
	if ( 0 !== stripos( strrev( $_SERVER['HTTP_HOST'] ), 'pw.um' ) )
	{
		return $in;
	}


	if ( 'theme_root_uri' === current_filter() )
	{
		return "http://themes.wp/";
	}

	$new_root = dirname( dirname( __DIR__ ) ) . '/wp-themes';
	// If we made it so far we are in the 'theme_root' filter.
	register_theme_directory( $new_root );
	return $new_root;
}