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<?php |
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declare(strict_types=1); |
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5
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namespace PhpLightning\Router; |
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use function call_user_func_array; |
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use function count; |
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final class Router |
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{ |
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public function __construct( |
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private string $requestMethod, |
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private string $requestUri, |
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) { |
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} |
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public function get(string $route, callable $callback): void |
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{ |
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if ($this->requestMethod === 'GET') { |
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$this->route($route, $callback); |
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} |
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} |
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private function route(string $route, callable $callback): void |
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{ |
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$requestUrl = $this->requestUrl(); |
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$routeParts = explode('/', $route); |
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$requestUrlParts = explode('/', $requestUrl); |
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array_shift($routeParts); |
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array_shift($requestUrlParts); |
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if ($routeParts[0] === '' && count($requestUrlParts) === 0) { |
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call_user_func_array($callback, []); |
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exit(); |
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} |
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if (count($routeParts) !== count($requestUrlParts)) { |
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return; |
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} |
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$parameters = $this->parameters($routeParts, $requestUrlParts); |
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if ($parameters === []) { |
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return; |
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} |
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call_user_func_array($callback, $parameters); |
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exit(); |
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} |
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private function requestUrl(): string |
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{ |
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$requestUrl = (string)filter_var($this->requestUri, FILTER_SANITIZE_URL); |
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$requestUrl = rtrim($requestUrl, '/'); |
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return (string)strtok($requestUrl, '?'); |
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} |
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/** |
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* @psalm-suppress MixedAssignment,MixedArgument |
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*/ |
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private function parameters(array $routeParts, array $requestUrlParts): array |
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{ |
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$parameters = []; |
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for ($i = 0, $iMax = count($routeParts); $i < $iMax; ++$i) { |
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$routePart = $routeParts[$i]; |
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if (preg_match('/^[$]/', $routePart)) { |
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$routePart = ltrim($routePart, '$'); |
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$parameters[] = $requestUrlParts[$i]; |
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$$routePart = $requestUrlParts[$i]; |
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} elseif ($routeParts[$i] !== $requestUrlParts[$i]) { |
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return []; |
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} |
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} |
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return $parameters; |
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} |
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} |
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php-lightning /
lnaddress
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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.