palmtreephp / canonical-url-bundle

Service/CanonicalUrlGenerator.php

<?php

namespace Palmtree\CanonicalUrlBundle\Service;

use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Routing\RouterInterface;

class CanonicalUrlGenerator
{
    /** @var RouterInterface */
    private $router;
    /** @var string */
    private $siteUrl;
    /** @var bool */
    private $trailingSlash;

    /**
     * CanonicalUrlService constructor.
     *
     * @param RouterInterface $router
     * @param array           $config
     */
    public function __construct(RouterInterface $router, array $config = [])
    {
        $this->router = $router;

        $this->siteUrl       = $config['site_url'];
        $this->trailingSlash = $config['trailing_slash'];
    }

    /**
     * Returns the canonical URL for a route.
     *
     * @param string       $route  Route to generate a URL for.
     * @param string|array $params String in 'key1=val1&key2=val2' format or array of query parameters.
     *
     * @return string
     */
    public function generate($route, $params = [])
    {
        if (!$route) {
            return '';
        }

        $params = $this->getParameters($params);

        $uri = $this->router->generate($route, $params, UrlGeneratorInterface::ABSOLUTE_PATH);
        $url = \rtrim($this->siteUrl, '/') . '/' . \ltrim($uri, '/');

        return $url;
    }

    /**
     * @param string|array $parameters
     *
     * @return array
     */
    private function getParameters($parameters = [])
    {
        if (\is_string($parameters)) {
            \parse_str($parameters, $parameters);

$parameters of type string is incompatible with the type array|null expected by parameter $arr of parse_str().

        }

        if (!$parameters) {
            $parameters = [];
        }

        return $parameters;
    }
}