Windows IIS Compatibility for PHP Development

source.php

/** Windows IIS Compatibility   */
if (!isset($_SERVER['DOCUMENT_ROOT'])) { 
	if (isset($_SERVER['SCRIPT_FILENAME'])) {
		$_SERVER['DOCUMENT_ROOT'] = str_replace('\\', '/', substr($_SERVER['SCRIPT_FILENAME'], 0, 0 - strlen($_SERVER['PHP_SELF'])));
	}
}

if (!isset($_SERVER['DOCUMENT_ROOT'])) {
	if (isset($_SERVER['PATH_TRANSLATED'])) {
		$_SERVER['DOCUMENT_ROOT'] = str_replace('\\', '/', substr(str_replace('\\\\', '\\', $_SERVER['PATH_TRANSLATED']), 0, 0 - strlen($_SERVER['PHP_SELF'])));
	}
}

if (!isset($_SERVER['REQUEST_URI'])) { 
	$_SERVER['REQUEST_URI'] = substr($_SERVER['PHP_SELF'], 1); 
	
	if (isset($_SERVER['QUERY_STRING'])) { 
		$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING']; 
	} 
}