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copied!<p>The overhead is small so there is no big performance penalty other stuff like db, template processing etc are performance problems, test your framework with a simple action to see how fast it is.</p> <p>For example the code bellow (frontcontroller) which uses reflection does it jobs in a few miliseconds</p> <pre><code><?php require_once('sanitize.inc'); /** * MVC Controller * * This Class implements MVC Controller part * * @package MVC * @subpackage Controller * */ class Controller { /** * Standard Controller constructor */ static private $moduleName; static private $actionName; static private $params; /** * Don't allow construction of the controller (this is a singleton) * */ private function __construct() { } /** * Don't allow cloning of the controller (this is a singleton) * */ private function __clone() { } /** * Returns current module name * * @return string */ function getModuleName() { return self :: $moduleName; } /** * Returns current module name * * @return string */ function getActionName() { return self :: $actionName; } /** * Returns the subdomain of the request * * @return string */ function getSubdomain() { return substr($_SERVER['HTTP_HOST'], 0, strpos($_SERVER['HTTP_HOST'], '.')); } function getParameters($moduleName = false, $actionName = false) { if ($moduleName === false or ( $moduleName === self :: $moduleName and $actionName === self :: $actionName )) { return self :: $params; } else { if ($actionName === false) { return false; } else { @include_once ( FRAMEWORK_PATH . '/modules/' . $moduleName . '.php' ); $method = new ReflectionMethod('mod_' . $moduleName, $actionName); foreach ($method->getParameters() as $parameter) { $parameters[$parameter->getName()] = null; } return $parameters; } } } /** * Redirect or direct to a action or default module action and parameters * it has the ability to http redirect to the specified action * internally used to direct to action * * @param string $moduleName * @param string $actionName * @param array $parameters * @param bool $http_redirect * @return bool */ function redirect($moduleName, $actionName, $parameters = null, $http_redirect = false) { self :: $moduleName = $moduleName; self :: $actionName = $actionName; // We assume all will be ok $ok = true; @include_once ( PATH . '/modules/' . $moduleName . '.php' ); // We check if the module's class really exists if (!class_exists('mod_' . $moduleName, false)) { // if the module does not exist route to module main @include_once ( PATH . '/modules/main.php' ); $modClassName = 'mod_main'; $module = new $modClassName(); if (method_exists($module, $moduleName)) { self :: $moduleName = 'main'; self :: $actionName = $moduleName; //$_PARAMS = explode( '/' , $_SERVER['REQUEST_URI'] ); //unset($parameters[0]); //$parameters = array_slice($_PARAMS, 1, -1); $parameters = array_merge(array($actionName), $parameters); //add first parameter } else { $parameters = array($moduleName, $actionName) + $parameters; $actionName = 'index'; $moduleName = 'main'; self :: $moduleName = $moduleName; self :: $actionName = $actionName; } } else { //if the action does not exist route to action index @include_once ( PATH . '/modules/' . $moduleName . '.php' ); $modClassName = 'mod_' . $moduleName; $module = new $modClassName(); if (!method_exists($module, $actionName)) { $parameters = array_merge(array($actionName), $parameters); //add first parameter $actionName = 'index'; } self :: $moduleName = $moduleName; self :: $actionName = $actionName; } if (empty($module)) { $modClassName = 'mod_' . self :: $moduleName; $module = new $modClassName(); } $method = new ReflectionMethod('mod_' . self :: $moduleName, self :: $actionName); //sanitize and set method variables if (is_array($parameters)) { foreach ($method->getParameters() as $parameter) { $param = current($parameters); next($parameters); if ($parameter->isDefaultValueAvailable()) { if ($param !== false) { self :: $params[$parameter->getName()] = sanitizeOne(urldecode(trim($param)), $parameter->getDefaultValue()); } else { self :: $params[$parameter->getName()] = null; } } else { if ($param !== false) {//check if variable is set, avoid notice self :: $params[$parameter->getName()] = sanitizeOne(urldecode(trim($param)), 'str'); } else { self :: $params[$parameter->getName()] = null; } } } } else { foreach ($method->getParameters() as $parameter) { self :: $params[$parameter->getName()] = null; } } if ($http_redirect === false) {//no redirecting just call the action if (is_array(self :: $params)) { $method->invokeArgs($module, self :: $params); } else { $method->invoke($module); } } else { //generate the link to action if (is_array($parameters)) { // pass parameters $link = '/' . $moduleName . '/' . $actionName . '/' . implode('/', self :: $params); } else { $link = '/' . $moduleName . '/' . $actionName; } //redirect browser header('Location:' . $link); //if the browser does not support redirecting then provide a link to the action die('Your browser does not support redirect please click here <a href="' . $link . '">' . $link . '</a>'); } return $ok; } /** * Redirects to action contained within current module */ function redirectAction($actionName, $parameters) { self :: $actionName = $actionName; call_user_func_array(array(&$this, $actionName), $parameters); } public function module($moduleName) { self :: redirect($moduleName, $actionName, $parameters, $http_redirect = false); } /** * Processes the client's REQUEST_URI and handles module loading/unloading and action calling * * @return bool */ public function dispatch() { if ($_SERVER['REQUEST_URI'][strlen($_SERVER['REQUEST_URI']) - 1] !== '/') { $_SERVER['REQUEST_URI'] .= '/'; //add end slash for safety (if missing) } //$_SERVER['REQUEST_URI'] = @str_replace( BASE ,'', $_SERVER['REQUEST_URI']); // We divide the request into 'module' and 'action' and save paramaters into $_PARAMS if ($_SERVER['REQUEST_URI'] != '/') { $_PARAMS = explode('/', $_SERVER['REQUEST_URI']); $moduleName = $_PARAMS[1]; //get module name $actionName = $_PARAMS[2]; //get action unset($_PARAMS[count($_PARAMS) - 1]); //delete last unset($_PARAMS[0]); unset($_PARAMS[1]); unset($_PARAMS[2]); } else { $_PARAMS = null; } if (empty($actionName)) { $actionName = 'index'; //use default index action } if (empty($moduleName)) { $moduleName = 'main'; //use default main module } /* if (isset($_PARAMS)) { $_PARAMS = array_slice($_PARAMS, 3, -1);//delete action and module from array and pass only parameters } */ return self :: redirect($moduleName, $actionName, $_PARAMS); } } </code></pre>

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