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PODetect language and redirect to subdomain on Symfony
 

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    <p>I'm using Symfony 1.2.7. My web is in several languages, each of one is in a subdomain like en.example.com, es.example.com. If the user enters into example.com, I want to redirect him to his language. I also want to have support staging.example.com and redirect to es.staging.example.com and en.staging.example.com so I can test everything before the deployment.</p> <p>I have the following code that works both on index.php and frontend_dev.php. My question is, can you improve it? is there a better or cleaner way? Thanks!</p> <pre><code>require_once(dirname(__FILE__).'/../config/ProjectConfiguration.class.php'); $configuration = ProjectConfiguration::getApplicationConfiguration('frontend', 'dev', true); $context = sfContext::createInstance($configuration); // get the domain parts as an array $host = array_reverse(explode('.', $_SERVER['HTTP_HOST'])); list($tld, $domain, $subdomain) = $host; // determine which subdomain we're looking at $app = ($subdomain == 'staging') ? $subdomain2=$host[3] : $subdomain; if(empty($app) || $app == 'www') { $browser_languages = $context-&gt;getRequest()-&gt;getLanguages(); foreach($browser_languages as $language) { $allowed_culture = in_array($language, sfConfig::get('app_languagesAvailable')); if($allowed_culture) { $domain = $subdomain ? $subdomain.'.'.$domain : $domain; $url = 'http://'.str_replace($domain.'.'.$tld, $language.'.'.$domain.'.'.$tld, $_SERVER['HTTP_HOST']).$_SERVER['REQUEST_URI']; $context-&gt;getController()-&gt;redirect($url); break; } } } $context-&gt;dispatch(); </code></pre> <p><strong>Update</strong> Solution: Custom filter</p> <pre><code>&lt;?php class subdomainFilter extends sfFilter { public function execute($filterChain) { $context = $this-&gt;getContext(); $user = $this-&gt;getContext()-&gt;getUser(); $request = $this-&gt;getContext()-&gt;getRequest(); // get the domain parts as an array $host = array_reverse(explode('.', $request-&gt;getHost())); list($tld, $domain) = $host; $subdomain2 = $host[3]; $subdomain = $host[2]; // determine which subdomain we're looking at $app = ($host[2] == 'staging') ? $subdomain2 : $subdomain; if(empty($app) || $app == 'www') { // if first time if ($this-&gt;isFirstCall()) { $browser_languages = $request-&gt;getLanguages(); // set default lang, for API as CURL doesn't set the language $lang = sfConfig::get('app_default_culture'); foreach($browser_languages as $language) { $allowed_culture = in_array($language, sfConfig::get('app_languagesAvailable')); if($allowed_culture) { $lang = $language; break; } } }else { // Get user culture $lang = $user-&gt;getCulture(); } $domain = $subdomain ? $subdomain.'.'.$domain : $domain; $url = str_replace($domain.'.'.$tld, $lang.'.'.$domain.'.'.$tld, $request-&gt;getURI()); $context-&gt;getController()-&gt;redirect($url); } $filterChain-&gt;execute(); } } </code></pre>
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