hack.php

<?php
/// HACK TO WORKAROUND A BUG IN WORDPRESS
function yogasutra_fix_get_home_path() {
if ( !function_exists('get_home_path') && !is_admin()) :
	function get_home_path() {
		$home = get_option( 'home' );
		$siteurl = get_option( 'siteurl' );
		if ( $home != '' && $home != $siteurl ) {
			$wp_path_rel_to_home = str_replace($home, '', $siteurl); /* $siteurl - $home */
			$pos = strpos($_SERVER["SCRIPT_FILENAME"], $wp_path_rel_to_home);
			$home_path = substr($_SERVER["SCRIPT_FILENAME"], 0, $pos);
			$home_path = trailingslashit( $home_path );
		} else {
			$home_path = ABSPATH;
		}

		return $home_path;
	}
endif;
}
add_action('init', 'yogasutra_fix_get_home_path');