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<?php |
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/** |
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* Class for the router system |
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* @author Vermeulen Maxime <[email protected]> |
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* @version 2.0 |
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*/ |
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namespace BfwFastRoute; |
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use \Exception; |
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use \FastRoute; |
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/** |
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* Permet de gérer la vue et de savoir vers quel page envoyer |
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* @package bfw-fastroute |
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*/ |
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class Router implements \SplObserver |
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{ |
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/** |
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* @const ERR_TARGET_NOT_DECLARED : Error code if the target has not |
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* been declared |
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*/ |
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const ERR_TARGET_NOT_DECLARED = 2001001; |
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/** |
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* @var \BFW\Module $module The bfw module instance for this module |
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*/ |
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protected $module; |
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/** |
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* @var \BFW\Config $config The bfw config instance for this module |
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*/ |
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protected $config; |
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/** |
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* @var \stdClass|null $ctrlRouterInfos The context object passed to |
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* subject for the action "searchRoute". |
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*/ |
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protected $ctrlRouterInfos; |
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/** |
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* @var \FastRoute\Dispatcher $dispatcher FastRoute dispatcher |
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*/ |
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protected $dispatcher; |
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/** |
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* Constructor |
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* Get config and linker instance |
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* Call fastRoute dispatcher |
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* |
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* @param \BFW\Module $module |
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*/ |
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public function __construct(\BFW\Module $module) |
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{ |
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$this->module = $module; |
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$this->config = $module->getConfig(); |
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$this->dispatcher = FastRoute\simpleDispatcher([ |
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$this, |
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'addRoutesToCollector' |
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]); |
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} |
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/** |
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* Getter accessor for module property |
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* |
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* @return \BFW\Module |
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*/ |
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public function getModule() |
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{ |
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return $this->module; |
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} |
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/** |
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* Getter accessor for config property |
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* |
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* @return \BFW\Config |
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*/ |
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public function getConfig() |
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{ |
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return $this->config; |
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} |
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/** |
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* Getter accessor for ctrlRouterInfos property |
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* |
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* @return \stdClass |
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*/ |
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public function getCtrlRouterInfos() |
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{ |
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return $this->ctrlRouterInfos; |
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} |
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/** |
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* Getter accessor for dispatcher property |
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* |
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* @return \FastRoute\Dispatcher |
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*/ |
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public function getDispatcher() |
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{ |
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return $this->dispatcher; |
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} |
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/** |
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* Observer update method |
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* Call obtainCurrentRoute method on action "apprun_loadAllAppModules". |
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* |
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* @param \SplSubject $subject |
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* |
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* @return void |
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*/ |
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public function update(\SplSubject $subject) |
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{ |
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if ($subject->getAction() === 'bfw_ctrlRouterLink_subject_added') { |
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$app = \BFW\Application::getInstance(); |
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$app->getSubjectList() |
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->getSubjectForName('ctrlRouterLink') |
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->attach($this) |
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; |
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} elseif ($subject->getAction() === 'searchRoute') { |
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$this->obtainCtrlRouterInfos($subject); |
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if ($this->ctrlRouterInfos->isFound === false) { |
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$this->searchRoute(); |
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} |
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} |
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} |
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/** |
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* Set the property ctrlRouterInfos with the context object obtain linked |
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* to the subject. |
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* Allow override to get only some part. And used for unit test. |
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* |
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* @param \BFW\Subject $subject |
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* |
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* @return void |
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*/ |
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protected function obtainCtrlRouterInfos($subject) |
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{ |
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$this->ctrlRouterInfos = $subject->getContext(); |
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} |
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/** |
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* Call by dispatcher; Add route in config to fastRoute router |
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* |
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* @param FastRoute\RouteCollector $router FastRoute router |
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* |
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* @return void |
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*/ |
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public function addRoutesToCollector(FastRoute\RouteCollector $router) |
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{ |
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$routes = $this->config->getValue('routes'); |
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foreach ($routes as $slug => $infos) { |
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$slug = trim($slug); |
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//Défault method |
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$method = ['GET', 'HEAD', 'POST', 'PUT', 'PATCH', 'DELETE']; |
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//If method is declared for the route |
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if (isset($infos['httpMethod'])) { |
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//Get the method ans remove it from httpMethod array |
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$method = $infos['httpMethod']; |
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unset($infos['httpMethod']); |
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} |
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$router->addRoute($method, $slug, $infos); |
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} |
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} |
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/** |
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* Obtain informations about the current route from fastRoute dispatcher |
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* |
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* @return void |
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*/ |
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protected function searchRoute() |
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{ |
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//Get current request informations |
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$bfwRequest = \BFW\Request::getInstance(); |
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$request = $bfwRequest->getRequest()->path; |
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$method = $bfwRequest->getMethod(); |
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//If request is index |
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if ($request === '') { |
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$request = '/'; |
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} |
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//Get route information from dispatcher |
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$routeInfo = $this->dispatcher->dispatch($method, $request); |
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$routeStatus = $routeInfo[0]; |
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//Get and send request http status to the controller/router linker |
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$httpStatus = $this->checkStatus($routeStatus); |
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if ($httpStatus === 404) { |
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//404 will be declared by \BFW\Application::runCtrlRouterLink() |
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return; |
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} |
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http_response_code($httpStatus); |
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$this->addInfosToCtrlRouter(); |
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if ($httpStatus !== 200) { |
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return; |
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} |
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//Obtains datas for route from config file and send to linker |
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$this->addTargetToCtrlRouter($routeInfo[1]); |
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//Add gets datas in route to $_GET var |
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$this->addDatasToGetVar($routeInfo[1]); |
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$this->addToSuperglobalVar('GET', $routeInfo[2]); |
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} |
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/** |
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* Get http status for response from dispatcher |
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* |
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* @param int $routeStatus : Route status send by dispatcher for request |
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* |
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* @return int |
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*/ |
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protected function checkStatus($routeStatus) |
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{ |
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$httpStatus = 200; |
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if ($routeStatus === FastRoute\Dispatcher::METHOD_NOT_ALLOWED) { |
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$httpStatus = 405; |
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} elseif ($routeStatus === FastRoute\Dispatcher::NOT_FOUND) { |
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$httpStatus = 404; |
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} |
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return $httpStatus; |
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} |
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/** |
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* Update ctrlRouterInfos properties isFound and forWho |
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* |
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* @return void |
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*/ |
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protected function addInfosToCtrlRouter() |
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{ |
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$app = \BFW\Application::getInstance(); |
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$forWho = $app->getConfig()->getValue('modules')['controller']['name']; |
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$this->ctrlRouterInfos->isFound = true; |
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$this->ctrlRouterInfos->forWho = $forWho; |
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} |
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/** |
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* Obtains route informations from config file and send this informations |
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* to the controller/router linker |
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* |
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* @param array $routeInfos : Route information from config file |
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* |
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* @return void |
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* |
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* @throws \Exception If target not define in config file |
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*/ |
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protected function addTargetToCtrlRouter(array $routeInfos) |
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{ |
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if (array_key_exists('target', $routeInfos) === false) { |
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throw new Exception( |
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'Router : target not defined', |
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self::ERR_TARGET_NOT_DECLARED |
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); |
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} |
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$this->ctrlRouterInfos->target = $routeInfos['target']; |
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} |
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/** |
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* Add datas into a superglobal var |
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* |
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* @param string $globalVarName : Name of the superglobal var |
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* @param array $datasToAdd : Datas to add to $_GET var |
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* |
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* @return void |
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*/ |
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protected function addToSuperglobalVar($globalVarName, array $datasToAdd) |
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{ |
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global ${'_'.$globalVarName}; |
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${'_'.$globalVarName} = array_merge(${'_'.$globalVarName}, $datasToAdd); |
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} |
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/** |
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* If property 'get' has been declared into current route config, add |
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* them into superglobal $_GET . |
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* |
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* @param array $routeInfos route informations declared in config |
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* |
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* @return void |
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*/ |
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protected function addDatasToGetVar(array $routeInfos) |
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{ |
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if (isset($routeInfos['get'])) { |
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$this->addToSuperglobalVar('GET', $routeInfos['get']); |
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} |
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} |
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} |
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: