You are here! How hard can it be?

[Site]
    charset="Utf-8"
    authorName="Sven"
    authorEmail = "My@Email.com"
 
[Databse]
    user = "MyUser"
    password="MyPassword"
    host="localhost"

Config::get('Site/authorName');

/**
 * Config - ini file configuration class for php
 *
 * @version		0.1
 * @author		Nuno Costa - sven@francodacosta.com
 * @copyright	        Copyright (c) 2007
 * @license		GPL v3 - http://www.gnu.org/licenses/gpl-3.0.html
 * @link		http://www.francodacosta.com/php/you-are-here-how-hard-can-it-be
 */
 
class Config{
    /**
     *
     * @var String - the relative path of the config file (relative from this file path)
     */
	public static $file = '../config/configuration.php';
 
	/**
	 *
	 * @var Array - containing all configuration values
	 */
	public static $conf = array();
 
	/**
	 *
	 * @var boolean - have already loaded the config file ?
	 *  set to false to force a reload
	 */
	public static $loaded = false ;
 
	//Just making sure this class is never instanciated
	private function __construct(){}
 
	/**
	 *
	 * @param String $path - The config path in the form "/<" ex: "Databse/Host"
	 * @return mixed - the value found on $path
	 */
	function get($path ){
 
		if (! self::$loaded){
			self::load();
		}
 
		$keys = explode('/', $path);
		$tmp= array();
		$tmp = self::$conf;
 
		foreach ($keys as $key) {
			$tmp = $tmp[$key];
		}
		return $tmp;
	}
 
	/**
	 *
	 * @return String - the current URl as called by the user ex: https://francodacosta.com
	 */
	private function getUrl(){
	        $protocol='http';
			if ( key_exists('HTTPS', $_SERVER) ){
			    $_SERVER["HTTPS"]  == 'on' ? $protocol='https' : $protocol='http';
			}
			$hostname = self::getHostname();
			$ws_base = self::getWebserverBase();
 
			return str_replace('//', '/',  $protocol . ':////'.$hostname.'/'. $ws_base );
		}
 
	/**
	 *
	 * @return String - The server name
	 */
	private 	function getHostname(){
			return $hostname = $_SERVER['SERVER_NAME'];
		}
 
	/**
	 *
	 * @return String - the current base path of the main script ex: /blog
	 */
	private 	function getWebserverBase(){
			return dirname( $_SERVER['SCRIPT_NAME']);
		}
 
	/**
	 *
	 * @return String - The physical path fo the main script ex: /home/francodacosta.com
	 */
	private 	function getFisicalPath(){
			return dirname($_SERVER['SCRIPT_FILENAME']);
		}
 
	/**
	 * Parses the ini file
	 *
	 * @param $file - the relative path of the confi file
	 * @return Array - ann array with all the config file options
	 */
	private 	function loadfile($file){
			// we are in base_path/system/lib/config.php
			$me = str_replace('\\','/', dirname(__FILE__)); //normalize path
			$sysbase = basename(dirname ($me));
 
			$filename = $sysbase .'/'. $file;
 
			return parse_ini_file( $filename ,true );
		}
 
	/**
	 * Loads Configuration values, and add Path information, if not present in file
	 * @return none
	 */
	public function load(){
 
		$conf=Array();
 
		$conf = self::loadfile(self::$file);
 
		if(! key_exists('Path', $conf) ) $conf['Path'] = array();
		if(! key_exists('Url',$conf['Path']) ) $conf['Path']['Url'] = self::getUrl();
		if(! key_exists('SSLUrl',$conf['Path']) ) $conf['Path']['SSLUrl'] = str_replace('//', '/',  'https:////'.self::getHostname().'/'. self::getWebserverBase() );
		if(! key_exists('Physical',$conf['Path']) ) $conf['Path']['Fisical'] = self::getFisicalPath();
		if(! key_exists('Hostname',$conf['Path']) ) $conf['Path']['Hostname'] = self::getHostname();
		if(! key_exists('WebserverBase',$conf['Path']) ) $conf['Path']['WebserverBase'] = self::getWebserverBase();
 
		self::$conf = $conf ;
                self::$loaded = true ;
	}
}

include "inc/config.php" ;
CONFIG::$file =  "../configuration.ini";
//assuming config file is located in the same folder than index.php.
//Remember the config file path must be relative to the config.php file
 
echo CONFIG::get('Site/authorName');
echo CONFIG::get('Path/Url');
echo CONFIG::get('Path/Physical');