Arbitrary version plugin from D-pörssi

Bootstrap.php

<?php

use Xi\Filelib\Backend\Adapter\MongoBackendAdapter;
use Xi\Filelib\FileLibrary;
use Xi\Filelib\Profile\FileProfile;
use Xi\Filelib\Plugin\RandomizeNamePlugin;
use Xi\Filelib\Plugin\Image\VersionPlugin;
use Xi\Filelib\Publisher\Adapter\Filesystem\SymlinkFilesystemPublisherAdapter;
use Xi\Filelib\Storage\Adapter\FilesystemStorageAdapter;
use Xi\Filelib\Storage\Adapter\Filesystem\DirectoryIdCalculator\TimeDirectoryIdCalculator;
use Xi\Filelib\Publisher\Publisher;
use Xi\Filelib\Publisher\Linker\ReversibleCreationTimeLinker;
use Xi\Filelib\Plugin\Image\ArbitraryVersionPlugin;
use Xi\Filelib\Version;
use Xi\Filelib\Renderer\AcceleratedRenderer;
use Xi\Filelib\Renderer\Adapter\SymfonyRendererAdapter;
use Xi\Filelib\File\File;
use Xi\Filelib\Plugin\Image\Command\Command;
 
 $filelib->addPlugin(
            new ArbitraryVersionPlugin(
                'card',
                function () {
                    return ['x'];
                },
                function () {
                    return ['x2'];
                },
                function () {
                    return ['x' => 25];
                },
                function (Version $version) {
                    $params = $version->getParams();

                    if (!isset($params['x'])) {
                        return false;
                    }

                    return in_array($params['x'], [25, 50, 100, 280]);
                },
                function (File $file, Version $version) {

                    $params = $version->getParams();

                    if ($version->hasModifier('x2')) {
                        $params['x'] = $params['x'] * 2;
                    }

                    return Command::createCommandsFromDefinitions(
                        [
                            ['setImageCompression', 8],
                            ['setImageFormat', 'jpg'],
                            ['setImageCompressionQuality', 80],
                            ['cropThumbnailImage', [$params['x'], (int) $params['x'] * 1.32]],
                        ]
                    );
                },
                'image/jpeg',
                true,
                function () {

                    return [
                        [
                            ['x' => 25],
                            []
                        ],
                        [
                            ['x' => 50],
                            []
                        ],
                    ];

                }
            )
        );

nginx.conf

server {
    listen 80;
    server_name filebank.dporssi2011.tunk.io;
    root /wwwroot/dporssi2011/public;

    location ~* ^/files/.+\.(jpg|jpeg|gif|png|ico)$  {
        access_log off;
        gzip off;
        expires 30d;
        try_files $uri @php;
    }

    location @php {

      fastcgi_pass 127.0.0.1:9000;
      fastcgi_param SCRIPT_FILENAME $document_root/renderer.php;
      fastcgi_param PATH_INFO $fastcgi_script_name;
      fastcgi_param APPLICATION_ENV development;
      fastcgi_param APPLICATION_LANGUAGE fi;
      fastcgi_param APPLICATION_LOCALE fi_FI;
      include /wwwroot/conf/fastcgi_params;
   }

    location /protected/ {
        internal;
        alias /wwwroot/dporssi2011/data/files/;
    } 
}

renderer.php

<?php

use Xi\Filelib\Renderer\Adapter\SymfonyRendererAdapter;
use Xi\Filelib\Renderer\Renderer;
use Xi\Filelib\Publisher\Publisher;

/** @var SymfonyRendererAdapter $adapter */
$adapter = Zend_Registry::get('pimple')['filelib_renderer_adapter'];

/** @var Renderer $renderer */
$renderer = Zend_Registry::get('pimple')['filelib_renderer'];

/** @var Publisher $publisher */
$publisher = Zend_Registry::get('pimple')['filelib_publisher'];

$request = Request::createFromGlobals();
$adapter->setRequest($request);

list ($file, $version) = $publisher->reverseUrl($request->getUri());

/** @var Response $response */
$response = $renderer->render($file, $version);

$publisher->publishVersion($file, $version);

$response->headers->set('X-Filelib-Render', $version->toString());

$response->send();