PHP code example of zfr / zfr-prerender

1. Go to this page and download the library: Download zfr/zfr-prerender library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

zfr / zfr-prerender example snippets


return array(
    'zfr_prerender' => array(
        'prerender_url' => 'http://myprerenderservice.com'
    )
);


return array(
    'zfr_prerender' => array(
        'crawler_user_agents' => array('yandex', 'msnbot')
    )
);


return array(
    'zfr_prerender' => array(
        'ignored_extensions' => array('.less', '.pdf')
    )
);


return array(
    'zfr_prerender' => array(
        'whitelist_urls' => array('/users/*')
    )
);


return array(
    'zfr_prerender' => array(
        'blacklist_urls' => array('/users/*')
    )
);


use ZfrPrerender\Mvc\PrerenderEvent;

public function onBootstrap(MvcEvent $event)
{
    $eventManager  = $event->getTarget()->getEventManager();
    $sharedManager = $eventManager->getSharedManager();

    $sharedManager->attach(
        'ZfrPrerender\Mvc\PrerenderListener',
        PrerenderEvent::EVENT_PRERENDER_PRE,
        array($this, 'prerenderPre')
    );

    $sharedManager->attach(
        'ZfrPrerender\Mvc\PrerenderListener',
        PrerenderEvent::EVENT_PRERENDER_POST,
        array($this, 'prerenderPost')
    );
}

public function prerenderPre(PrerenderEvent $event)
{
    $request = $event->getRequest();

    // Check from your cache if you have already the content
    // $content = ...

    $response = new Response();
    $response->setStatusCode(200);
    $response->setContent($content);

    return $response;
}

public function prerenderPost(PrerenderEvent $event)
{
    // This is the response we get from the Prerender service
    $response = $event->getResponse();

    // You could get the body and put it in cache
    // ...
}

sh
$ php composer.phar