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<?php |
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namespace Router; |
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class BaseRouter |
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{ |
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private $path; |
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private $verb; |
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private $routes = []; |
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public function __construct() |
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{ |
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$this->verb = strtolower($_SERVER['REQUEST_METHOD']); |
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$this->path = $this->parseBrowserPath($_SERVER['REQUEST_URI']); |
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if (count($this->path) == 0) { |
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$this->path[] = 'index'; |
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} |
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} |
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public function add(array $route): void |
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{ |
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if ($route['uri'] == '/') { |
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$route['uri'] = '/index'; |
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} |
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$this->routes[] = new BaseRoute($route); |
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} |
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public function handle(): ?BaseRoute |
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{ |
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foreach ($this->routes as $route) { |
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if ($this->checkVerb($route) && $this->checkPath($route)) { |
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return $route; |
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} |
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} |
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die('<h1>ERROR 404: NOT FOUND</h1>'); |
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} |
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private function checkVerb(BaseRoute $route): bool |
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{ |
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if ($this->verb != $route->getMethod()) { |
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return false; |
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} |
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return true; |
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} |
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private function checkPath(BaseRoute $route): bool |
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{ |
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if (!$this->parsePath($route)) { |
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return false; |
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} |
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$routePath = $this->parseBrowserPath($route->getUri()); |
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if (count($routePath) != count($this->path)) { |
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return false; |
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} |
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for ($i = 0; $i < count($routePath) && count($this->path); $i++) { |
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if ($routePath[$i] != $this->path[$i]) { |
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return false; |
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} |
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} |
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return true; |
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} |
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private function parseBrowserPath(string $path): array |
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{ |
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$path = explode('/', $path); |
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$path = array_filter($path); |
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$path = array_values($path); |
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return $path; |
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} |
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private function parsePath(BaseRoute $route): bool |
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{ |
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$path = $this->path; |
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$routePath = $this->parseBrowserPath($route->getUri()); |
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for ($i = 0; $i < count($routePath); $i++) { |
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$path[$i] = preg_replace('/\@.*/', $this->path[$i], $routePath[$i]); |
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if ($path[$i] != $routePath[$i]) { |
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// Regular expression matching |
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if (preg_match('/\@([\w]+):(.*)/', $routePath[$i], $match)) { |
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if (preg_match('/'.$match[2].'/', $path[$i], $match[2])) { |
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if ($path[$i] != $match[2][0]) { |
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return false; |
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} |
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$route->setArg($match[1], $match[2][0]); |
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} else { |
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return false; |
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} |
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} else { |
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$route->setArg(str_replace(':', '', $routePath[$i]), $path[$i]); |
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} |
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} |
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} |
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foreach ($_POST as $key => $value) { |
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$route->setArg($key, $value); |
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} |
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$path = implode('/', $path); |
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$route->setUri($path); |
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return true; |
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} |
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public function getById($id): ?BaseRoute |
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{ |
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return $this->routes[$id] ?? null; |
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} |
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public function getByName($name): ?BaseRoute |
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{ |
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foreach ($this->routes as $route) { |
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if ($route->getName() == $name) { |
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return $route; |
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} |
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} |
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return null; |
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} |
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} |
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In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.