<?php
 function link_rewrite($page, $params = array())
 {
 	//Solution élégante
 	//return (('home' == $page) ? 'index.html' : $page . '.html');
 	
 	//Solution Professionnelle
 	  // -- Mauvaise version
 	$stringParams = '';
 	foreach($params as $key => $values){
 		$stringParams .= "/" . $key ."/" . $values;
 	}
 	return (('home' == $page) ? '/' : '/' . $page . $stringParams);
 	  // -- Bonne version
 	
 	/*
 	//Changement de comportement d'une fonction PHP-Zend ... grrr
 	array_unshift($params , $page);
 	var_dump($params);
 	$page = '/' . implode('/' , $params);
 	*/
 	return $page;
 	
 	//Solution Personnelle
 	
 	
 }
 function url_rewrite()
 {
 	//Solution élégante !
 	// Avec un case pour chacune des URL listées
 	/*
 	$url = parse_url($_SERVER['REQUEST_URI']);
 	//var_dump($url);
 	parse_str(@$url['query'], $params);
 	$page['params'] = $params;
 	
 	switch ($url['path']) {
 		case '/index.html' :
 		case '/' :
 			$page['name'] = 'home';
 			break;
 		case '/guestbook.html' :
 			$page['name'] = 'guestbook';
 			break;
 		case '/contact.html' :
 			$page['name'] = 'contact';
 			break;
 		default:
 			$page['name'] = 'error';
 	}
 	
 	$pageFile = PAGES_PATH . DIRECTORY_SEPARATOR . $page['name'] . '.php';
 	
 	if(!file_exists($pageFile)){
 		$page['name'] = 'error';
 	}
 	*/
 	/*
 	//Solution Professionnelle
 	//Pour les solutions d'URL du genre:
 	 * http:// FQDN /page/var1/value1/var2/value2/....
 	 */
 	
 	$url = parse_url($_SERVER['REQUEST_URI']);
 	$urlParts = explode('/' , trim( $url['path'] , '/' ));
 	//Récupération du nom de la page
 	//$page['name'] = $urlParts[0];
 	($urlParts[0] == 'index' ||$urlParts[0] == '' )?$page['name']='home':$page['name']=$urlParts[0];
 	
 	unset($urlParts[0]);
 	
 	//vérification du nombre de parametres: s'il n'existe pas autant de clé que
 	// de valeurs on sort de la fonction et on renvoie une page d'erreur.
 	$numParts = count($urlParts);
 	if (0!=$numParts%2) {
 		$page['name'] = 'error';
 		$page['params'] = array();
 		return $page;
 	}else{
 	
 	$values = array();
 	$keys = array();
 	foreach( $urlParts as $key => $value ){
 		if($key%2 == 0) {
 			$values[] = $value;
 		} else {
 			$keys[] = $value;
 		}
 	}
 	$page['params'] = array_combine($keys, $values);
 	}
 	
 	/*
 	//Solution Personnelle
 	 * http:// FQDN / var1 / var2 / ... / varN / page
 	 * 
 	 *
 	$url = $_SERVER['REQUEST_URI'];
 	$uri = parse_url($url);
 	parse_str(@$url['query'], $params);
 	$page['params'] = $params;
 	$urlParts = explode('/' , trim( $uri['path'] , '/' ));
 	
 	$nbParams = count($urlParts)-1;
 	$varPage = explode(".", $urlParts[$nbParams]); 
 	$page['name'] = $varPage[0];
 	for($i=0,$i<$nbParams,$i++){
 		
 	}
 	
 	(page['name'] == 'index' || page['name'] == '')?$page['name']='home':;
 	$pageFile = PAGES_PATH . DIRECTORY_SEPARATOR . $varPage . '.php';
 	if(!file_exists($pageFile)){
 		$page['name'] = 'error';
 	}
 	*/
 	$pageFile = PAGES_PATH . DIRECTORY_SEPARATOR . $page['name'] . '.php';
 	
 	if(!file_exists($pageFile)){
 		$page['name'] = 'error';
 	}
 	return $page;
 	
 }