การทำ Router ให้เว็บไซต์ด้วย PHP

class ที่นำมาใช้งาน SimpleRouter

โครงสร้าง Directory

back/.htaccess
back/index.php
back/lib/class/router.php

router.php

<?php
class SimpleRouter
{
    /* Routes array where we store the various routes defined. */
    private $routes;
    /* The methods adds each route defined to the $routes array */
    function add_route($route, callable $closure)
    {
        $this->routes[$route] = $closure;
    }
	
    /* Execute the specified route defined */
    function execute()
    {
		$path = urldecode($_SERVER['REQUEST_URI']);
		$path = filter_var($path, FILTER_SANITIZE_URL);
		
		$path = strtok($path, '?');
		$chk_html = strpos($path,'.html');
		if($chk_html!=0){
			$path = str_replace('.html', '', $path);		
			$path_array = explode('-', $path);
			$modules = $path_array[0];
		} else {
			$modules = '/404';
		}
		if($path=='/'.ADMIN_FOLDER.'/'){
			$modules = '/'.ADMIN_FOLDER.'/login';
		}
        if (array_key_exists($modules, $this->routes)) {
            $this->routes[$modules]();
        } else {
            $this->routes['/404']();
        }
    }
}

.htaccess

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.+)$ back/index.php [QSA,L]

index.php

<?php
define('ADMIN_FOLDER', 'back');
include(dirname(__FILE__).'/lib/class/router.php');

$path = strtok($path, '?');
$pattern = "/(.*)(.html$)/";
$chk_html = strpos($path,'.html');
/* check การเข้ามาด้วย .html ถ้าไม่ได้เข้ามาด้วย .html ให้ไปหน้า 404
ออกแบบ url ที่เข้ามา รับด้วย html ทั้งหมด
module-method-id.html
article-add.html
article-edit-1.html
user-profile.html
*/
if($chk_html!=0){
	$path = str_replace('.html', '', $path);
	$path = str_replace('/'.ADMIN_FOLDER.'/', '', $path);
	$path_array = explode('-', $path);
	$modules = $path_array[0];
} else {
	$modules = '404';
}
if($path=='/back/'){
	$modules = 'login';
}
$menu = (isset($path_array[1]))? $path_array[1] : '';
$id = (isset($path_array[2]))? $path_array[2] : '';

/* Create a new router */
$router = new SimpleRouter();
/* Add a Homepage route as a closure */
$router->add_route('/'.ADMIN_FOLDER.'/'.$modules, function () {
	global $path;
	global $modules;
	global $menu;
	global $id;
	
	if(file_exists(dirname(__FILE__) . '/modules/'.$modules.'.php')){
		include(dirname(__FILE__) . '/modules/'.$modules.'.php');
	} else {
		include(dirname(__FILE__) . '/modules/login/404.php');
	}
	
});
$router->add_route('/404', function () {
	include(dirname(__FILE__) . '/modules/login/404.php');
});

/* Execute the router */
$router->execute();

ที่มา & ข้อมูลให้ศึกษาเพิ่มเติม

• codediesel.com
• phprouter.com