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<?php |
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/** |
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* This file is part of slick/web_stack package |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Slick\WebStack\Controller; |
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use Aura\Router\Route; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Slick\Http\Message\Response; |
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use Slick\WebStack\Service\UriGeneratorInterface; |
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/** |
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* Controller Context |
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* |
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* @package Slick\WebStack\Controller |
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*/ |
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class Context implements ControllerContextInterface |
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{ |
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/** |
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* @var ServerRequestInterface |
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*/ |
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private $request; |
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/** |
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* @var ResponseInterface |
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*/ |
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private $response; |
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/** |
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* @var Route |
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*/ |
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private $route; |
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/** |
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* @var bool |
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*/ |
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private $handleResponse = false; |
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/** |
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* @var UriGeneratorInterface |
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*/ |
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private $uriGenerator; |
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/** |
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* Creates a controller context |
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* |
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* @param ServerRequestInterface $request |
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* @param Route $route |
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* @param UriGeneratorInterface $uriGenerator |
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*/ |
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public function __construct(ServerRequestInterface $request, Route $route, UriGeneratorInterface $uriGenerator) |
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{ |
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$this->request = $request; |
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$this->route = $route; |
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$this->uriGenerator = $uriGenerator; |
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} |
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/** |
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* Gets the post parameter that was submitted with provided name |
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* |
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* If its not submitted the default value will be returned. |
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* If no arguments are passed the full server parameters from request will |
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* be returned. In this case the default value is ignored. |
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* |
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* @param null|string $name |
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* @param mixed $default |
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* |
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* @return array|string |
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*/ |
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public function postParam($name = null, $default = null) |
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{ |
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return $this->getData( |
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$this->request->getParsedBody(), |
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$name, |
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$default |
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); |
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} |
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/** |
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* Gets the URL query parameter with provided name |
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* |
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* If its not submitted the default value will be returned. |
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* If no arguments are passed the full URL query parameters from request will |
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* be returned. In this case the default value is ignored. |
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* |
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* @param null|string $name |
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* @param mixed $default |
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* |
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* @return array|string |
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*/ |
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public function queryParam($name = null, $default = null) |
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{ |
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return $this->getData( |
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$this->request->getQueryParams(), |
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$name, |
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$default |
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); |
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} |
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/** |
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* Gets the route parameter with provided name |
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* |
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* If its not submitted the default value will be returned. |
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* If no arguments are passed the full URL query parameters from request will |
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* be returned. In this case the default value is ignored. |
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* |
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* @param null|string $name |
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* @param mixed $default |
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* |
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* @return array|string |
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*/ |
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public function routeParam($name = null, $default = null) |
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{ |
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return $this->getData($this->route->attributes, $name, $default); |
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} |
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/** |
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* Sets a redirection header in the HTTP response |
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* |
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* @param string $location Location name, path or identifier |
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* @param array $options Filter options |
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* |
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* @return void |
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*/ |
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public function redirect($location, array $options = []) |
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{ |
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$this->disableRendering(); |
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$location = (string) $this->uriGenerator->generate($location, $options); |
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$response = new Response(302, '', ['Location' => $location]); |
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$this->setResponse($response); |
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} |
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/** |
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* Disables response rendering |
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* |
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* @return self|ControllerContextInterface |
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*/ |
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public function disableRendering() |
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{ |
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$this->handleResponse = true; |
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return $this; |
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} |
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/** |
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* Sets the view template to use by render process |
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* |
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* @param string $template |
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* |
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* @return self|ControllerContextInterface |
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*/ |
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public function useTemplate($template) |
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{ |
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$this->request = $this->request->withAttribute('template', $template); |
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return $this; |
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} |
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/** |
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* Sets a new response |
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* |
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* @param ResponseInterface $response |
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* |
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* @return self|ControllerContextInterface |
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*/ |
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public function setResponse(ResponseInterface $response) |
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{ |
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$this->response = $response; |
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return $this; |
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} |
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/** |
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* Sets a new or updated server request |
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* |
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* @param ServerRequestInterface $request |
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* |
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* @return self|ControllerContextInterface |
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*/ |
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public function changeRequest(ServerRequestInterface $request) |
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{ |
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$this->request = $request; |
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return $this; |
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} |
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/** |
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* Get current HTTP response |
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* |
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* @return ResponseInterface |
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*/ |
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public function response() |
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{ |
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return $this->response; |
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} |
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/** |
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* Get current HTTP request |
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* |
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* @return ServerRequestInterface |
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*/ |
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public function request() |
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{ |
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return $this->request; |
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} |
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/** |
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* True when it handles the response |
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* |
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* @return boolean |
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*/ |
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public function handlesResponse() |
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{ |
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return $this->handleResponse; |
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} |
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/** |
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* Checks the request method |
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* @param string $methodName |
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* |
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* @return boolean |
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*/ |
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public function requestIs($methodName) |
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{ |
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$method = $this->request->getMethod(); |
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return $method === strtoupper($methodName); |
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} |
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/** |
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* Gets the value(s) from provided data |
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* |
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* @param mixed $data |
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* @param null|string $name |
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* @param null|string $default |
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* |
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* @return mixed |
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*/ |
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private function getData($data, $name = null, $default = null) |
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{ |
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if ($name == null) { |
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return $data; |
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} |
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$value = $default; |
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if (is_array($data) && array_key_exists($name, $data)) { |
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$value = $data[$name]; |
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} |
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return $value; |
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} |
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} |
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