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C: / xampp / htdocs / Ajaji / libraries / src / Router /
Name	Size	Perms	Actions
📁 Exception	1056 B	0777	Permissions Delete
📄 AdministratorRouter.php	1424 B	0666	Edit Perms Delete
📄 ApiRouter.php	7005 B	0666	Edit Perms Delete
📄 Route.php	6794 B	0666	Edit Perms Delete
📄 Router.php	12547 B	0666	Edit Perms Delete
📄 SiteRouter.php	18174 B	0666	Edit Perms Delete
📄 SiteRouterAwareInterface.php	684 B	0666	Edit Perms Delete
📄 SiteRouterAwareTrait.php	1233 B	0666	Edit Perms Delete
Editing: Router.php

<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2007 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Router;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Router\Exception\RouteNotFoundException;
use Joomla\CMS\Uri\Uri;

// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Class to create and parse routes
 *
 * @since  1.5
 */
class Router
{
    /**
     * Mask for the before process stage
     *
     * @var    string
     * @since  3.4
     */
    public const PROCESS_BEFORE = 'preprocess';

    /**
     * Mask for the during process stage
     *
     * @var    string
     * @since  3.4
     */
    public const PROCESS_DURING = '';

    /**
     * Mask for the after process stage
     *
     * @var    string
     * @since  3.4
     */
    public const PROCESS_AFTER = 'postprocess';

    /**
     * An array of variables
     *
     * @var     array
     * @since   1.5
     */
    protected $vars = [];

    /**
     * An array of rules
     *
     * @var    array
     * @since  1.5
     */
    protected $rules = [
        'buildpreprocess'  => [],
        'build'            => [],
        'buildpostprocess' => [],
        'parsepreprocess'  => [],
        'parse'            => [],
        'parsepostprocess' => [],
    ];

    /**
     * Caching of processed URIs
     *
     * @var    array
     * @since  3.3
     */
    protected $cache = [];

    /**
     * Router instances container.
     *
     * @var    Router[]
     * @since  1.7
     */
    protected static $instances = [];

    /**
     * Returns the global Router object, only creating it if it
     * doesn't already exist.
     *
     * @param   string  $client   The name of the client
     * @param   array   $options  An associative array of options
     *
     * @return  Router  A Router object.
     *
     * @since      1.5
     *
     * @throws     \RuntimeException
     *
     * @deprecated  4.0 will be removed in 6.0
     *              Inject the router or load it from the dependency injection container
     *              Example: Factory::getContainer()->get(SiteRouter::class);
     */
    public static function getInstance($client, $options = [])
    {
        if (empty(self::$instances[$client])) {
            // Create a Router object
            $classname = 'JRouter' . ucfirst($client);

            if (!class_exists($classname)) {
                throw new \RuntimeException(Text::sprintf('JLIB_APPLICATION_ERROR_ROUTER_LOAD', $client), 500);
            }

            // Check for a possible service from the container otherwise manually instantiate the class
            if (Factory::getContainer()->has($classname)) {
                self::$instances[$client] = Factory::getContainer()->get($classname);
            } else {
                self::$instances[$client] = new $classname();
            }
        }

        return self::$instances[$client];
    }

    /**
     * Function to convert a route to an internal URI
     *
     * @param   Uri   &$uri     The uri.
     * @param   bool  $setVars  Set the parsed data in the internal
     *                          storage for current-request-URLs
     *
     * @return  array
     *
     * @since   1.5
     * @throws  \Exception
     */
    public function parse(&$uri, $setVars = false)
    {
        // Do the preprocess stage of the URL parse process
        $this->processParseRules($uri, self::PROCESS_BEFORE);

        // Do the main stage of the URL parse process
        $this->processParseRules($uri);

        // Do the postprocess stage of the URL parse process
        $this->processParseRules($uri, self::PROCESS_AFTER);

        // Check if all parts of the URL have been parsed.
        // Otherwise we have an invalid URL
        if (\strlen($uri->getPath()) > 0) {
            throw new RouteNotFoundException(Text::_('JERROR_PAGE_NOT_FOUND'));
        }

        if ($setVars) {
            $this->setVars($uri->getQuery(true));

            return $this->getVars();
        }

        return $uri->getQuery(true);
    }

    /**
     * Function to convert an internal URI to a route
     *
     * @param   string|array|Uri  $url  The internal URL or an associative array
     *
     * @return  Uri  The absolute search engine friendly URL object
     *
     * @since   1.5
     */
    public function build($url)
    {
        $key = md5(serialize($url));

        if (isset($this->cache[$key])) {
            return clone $this->cache[$key];
        }

        if ($url instanceof Uri) {
            $uri = $url;
        } else {
            $uri = $this->createUri($url);
        }

        // Do the preprocess stage of the URL build process
        $this->processBuildRules($uri, self::PROCESS_BEFORE);

        // Do the main stage of the URL build process
        $this->processBuildRules($uri);

        // Do the postprocess stage of the URL build process
        $this->processBuildRules($uri, self::PROCESS_AFTER);

        $this->cache[$key] = clone $uri;

        return $uri;
    }

    /**
     * Set a router variable, creating it if it doesn't exist
     *
     * @param   string   $key     The name of the variable
     * @param   mixed    $value   The value of the variable
     * @param   boolean  $create  If True, the variable will be created if it doesn't exist yet
     *
     * @return  void
     *
     * @since   1.5
     */
    public function setVar($key, $value, $create = true)
    {
        if ($create || \array_key_exists($key, $this->vars)) {
            $this->vars[$key] = $value;
        }
    }

    /**
     * Set the router variable array
     *
     * @param   array    $vars   An associative array with variables
     * @param   boolean  $merge  If True, the array will be merged instead of overwritten
     *
     * @return  void
     *
     * @since   1.5
     */
    public function setVars($vars = [], $merge = true)
    {
        if ($merge) {
            $this->vars = array_merge($this->vars, $vars);
        } else {
            $this->vars = $vars;
        }
    }

    /**
     * Get a router variable
     *
     * @param   string  $key  The name of the variable
     *
     * @return  mixed  Value of the variable
     *
     * @since   1.5
     */
    public function getVar($key)
    {
        $result = null;

        if (isset($this->vars[$key])) {
            $result = $this->vars[$key];
        }

        return $result;
    }

    /**
     * Get the router variable array
     *
     * @return  array  An associative array of router variables
     *
     * @since   1.5
     */
    public function getVars()
    {
        return $this->vars;
    }

    /**
     * Attach a build rule
     *
     * @param   callable  $callback  The function to be called
     * @param   string    $stage     The stage of the build process that
     *                               this should be added to. Possible values:
     *                               'preprocess', '' for the main build process,
     *                               'postprocess'
     *
     * @return  void
     *
     * @since   1.5
     */
    public function attachBuildRule(callable $callback, $stage = self::PROCESS_DURING)
    {
        if (!\array_key_exists('build' . $stage, $this->rules)) {
            throw new \InvalidArgumentException(sprintf('The %s stage is not registered. (%s)', $stage, __METHOD__));
        }

        $this->rules['build' . $stage][] = $callback;
    }

    /**
     * Attach a parse rule
     *
     * @param   callable  $callback  The function to be called.
     * @param   string    $stage     The stage of the parse process that
     *                               this should be added to. Possible values:
     *                               'preprocess', '' for the main parse process,
     *                               'postprocess'
     *
     * @return  void
     *
     * @since   1.5
     */
    public function attachParseRule(callable $callback, $stage = self::PROCESS_DURING)
    {
        if (!\array_key_exists('parse' . $stage, $this->rules)) {
            throw new \InvalidArgumentException(sprintf('The %s stage is not registered. (%s)', $stage, __METHOD__));
        }

        $this->rules['parse' . $stage][] = $callback;
    }

    /**
     * Remove a rule
     *
     * @param   string    $type   Type of rule to remove (parse or build)
     * @param   callable  $rule   The rule to be removed.
     * @param   string    $stage  The stage of the parse process that
     *                             this should be added to. Possible values:
     *                             'preprocess', '' for the main parse process,
     *                             'postprocess'
     *
     * @return   boolean  Was a rule removed?
     *
     * @since   4.0.0
     * @throws  \InvalidArgumentException
     */
    public function detachRule($type, $rule, $stage = self::PROCESS_DURING)
    {
        if (!\in_array($type, ['parse', 'build'])) {
            throw new \InvalidArgumentException(sprintf('The %s type is not supported. (%s)', $type, __METHOD__));
        }

        if (!\array_key_exists($type . $stage, $this->rules)) {
            throw new \InvalidArgumentException(sprintf('The %s stage is not registered. (%s)', $stage, __METHOD__));
        }

        foreach ($this->rules[$type . $stage] as $id => $r) {
            if ($r == $rule) {
                unset($this->rules[$type . $stage][$id]);

                return true;
            }
        }

        return false;
    }

    /**
     * Get all currently attached rules
     *
     * @return  array  All currently attached rules in an array
     *
     * @since   4.0.0
     */
    public function getRules()
    {
        return $this->rules;
    }

    /**
     * Process the parsed router variables based on custom defined rules
     *
     * @param   \Joomla\CMS\Uri\Uri  &$uri   The URI to parse
     * @param   string               $stage  The stage that should be processed.
     *                                       Possible values: 'preprocess', 'postprocess'
     *                                       and '' for the main parse stage
     *
     * @return  void
     *
     * @since   3.2
     */
    protected function processParseRules(&$uri, $stage = self::PROCESS_DURING)
    {
        if (!\array_key_exists('parse' . $stage, $this->rules)) {
            throw new \InvalidArgumentException(sprintf('The %s stage is not registered. (%s)', $stage, __METHOD__));
        }

        foreach ($this->rules['parse' . $stage] as $rule) {
            $rule($this, $uri);
        }
    }

    /**
     * Process the build uri query data based on custom defined rules
     *
     * @param   \Joomla\CMS\Uri\Uri  &$uri   The URI
     * @param   string               $stage  The stage that should be processed.
     *                                       Possible values: 'preprocess', 'postprocess'
     *                                       and '' for the main build stage
     *
     * @return  void
     *
     * @since   3.2
     */
    protected function processBuildRules(&$uri, $stage = self::PROCESS_DURING)
    {
        if (!\array_key_exists('build' . $stage, $this->rules)) {
            throw new \InvalidArgumentException(sprintf('The %s stage is not registered. (%s)', $stage, __METHOD__));
        }

        foreach ($this->rules['build' . $stage] as $rule) {
            \call_user_func_array($rule, [&$this, &$uri]);
        }
    }

    /**
     * Create a uri based on a full or partial URL string
     *
     * @param   string  $url  The URI or an associative array
     *
     * @return  Uri
     *
     * @since   3.2
     */
    protected function createUri($url)
    {
        if (!\is_array($url) && substr($url, 0, 1) !== '&') {
            return new Uri($url);
        }

        $uri = new Uri('index.php');

        if (\is_string($url)) {
            $vars = [];

            if (strpos($url, '&amp;') !== false) {
                $url = str_replace('&amp;', '&', $url);
            }

            parse_str($url, $vars);
        } else {
            $vars = $url;
        }

        $vars = array_merge($this->getVars(), $vars);

        foreach ($vars as $key => $var) {
            if ($var == '') {
                unset($vars[$key]);
            }
        }

        $uri->setQuery($vars);

        return $uri;
    }
}
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Editing: Router.php
