<form method="POST">
    <h3>Editing: CompiledUrlGeneratorDumper.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Routing\Generator\Dumper;

use Symfony\Component\Routing\Exception\RouteCircularReferenceException;
use Symfony\Component\Routing\Exception\RouteNotFoundException;
use Symfony\Component\Routing\Matcher\Dumper\CompiledUrlMatcherDumper;

/**
 * CompiledUrlGeneratorDumper creates a PHP array to be used with CompiledUrlGenerator.
 *
 * @author Fabien Potencier &lt;fabien@symfony.com&gt;
 * @author Tobias Schultze &lt;http://tobion.de&gt;
 * @author Nicolas Grekas &lt;p@tchwork.com&gt;
 */
class CompiledUrlGeneratorDumper extends GeneratorDumper
{
    public function getCompiledRoutes(): array
    {
        $compiledRoutes = [];
        foreach ($this-&gt;getRoutes()-&gt;all() as $name =&gt; $route) {
            $compiledRoute = $route-&gt;compile();

            $compiledRoutes[$name] = [
                $compiledRoute-&gt;getVariables(),
                $route-&gt;getDefaults(),
                $route-&gt;getRequirements(),
                $compiledRoute-&gt;getTokens(),
                $compiledRoute-&gt;getHostTokens(),
                $route-&gt;getSchemes(),
                [],
            ];
        }

        return $compiledRoutes;
    }

    public function getCompiledAliases(): array
    {
        $routes = $this-&gt;getRoutes();
        $compiledAliases = [];
        foreach ($routes-&gt;getAliases() as $name =&gt; $alias) {
            $deprecations = $alias-&gt;isDeprecated() ? [$alias-&gt;getDeprecation($name)] : [];
            $currentId = $alias-&gt;getId();
            $visited = [];
            while (null !== $alias = $routes-&gt;getAlias($currentId) ?? null) {
                if (false !== $searchKey = array_search($currentId, $visited)) {
                    $visited[] = $currentId;

                    throw new RouteCircularReferenceException($currentId, \array_slice($visited, $searchKey));
                }

                if ($alias-&gt;isDeprecated()) {
                    $deprecations[] = $deprecation = $alias-&gt;getDeprecation($currentId);
                    trigger_deprecation($deprecation['package'], $deprecation['version'], $deprecation['message']);
                }

                $visited[] = $currentId;
                $currentId = $alias-&gt;getId();
            }

            if (null === $target = $routes-&gt;get($currentId)) {
                throw new RouteNotFoundException(sprintf('Target route &quot;%s&quot; for alias &quot;%s&quot; does not exist.', $currentId, $name));
            }

            $compiledTarget = $target-&gt;compile();

            $compiledAliases[$name] = [
                $compiledTarget-&gt;getVariables(),
                $target-&gt;getDefaults(),
                $target-&gt;getRequirements(),
                $compiledTarget-&gt;getTokens(),
                $compiledTarget-&gt;getHostTokens(),
                $target-&gt;getSchemes(),
                $deprecations,
            ];
        }

        return $compiledAliases;
    }

    /**
     * {@inheritdoc}
     */
    public function dump(array $options = [])
    {
        return &lt;&lt;&lt;EOF
&lt;?php

// This file has been auto-generated by the Symfony Routing Component.

return [{$this-&gt;generateDeclaredRoutes()}
];

EOF;
    }

    /**
     * Generates PHP code representing an array of defined routes
     * together with the routes properties (e.g. requirements).
     */
    private function generateDeclaredRoutes(): string
    {
        $routes = '';
        foreach ($this-&gt;getCompiledRoutes() as $name =&gt; $properties) {
            $routes .= sprintf(&quot;\n    '%s' =&gt; %s,&quot;, $name, CompiledUrlMatcherDumper::export($properties));
        }

        foreach ($this-&gt;getCompiledAliases() as $alias =&gt; $properties) {
            $routes .= sprintf(&quot;\n    '%s' =&gt; %s,&quot;, $alias, CompiledUrlMatcherDumper::export($properties));
        }

        return $routes;
    }
}
</textarea><br>
    <input type="submit" value="Save">
</form>