Use Google Translate API through YQL

autoTranslate.php

<?php

trait autoTranslate
{
    protected
        $lang1,
        $lang2
    ;
    
    protected function translate($text)
    {
        if ($text == "") return "";
        
        $translatedText = iconv('UTF-8', 'US-ASCII//TRANSLIT', $text);
        
        $url = "http://query.yahooapis.com/v1/public/yql";
        $query = rawurlencode("select * from google.translate where q=\"{$translatedText}\" and source=\"{$this->lang1}\" and target=\"{$this->lang2}\";");
        $return = $this->get("{$url}?q=$query&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys");
        $results = json_decode($return);
        
        if (is_array($results->query->results->json->sentences)) {
            $translationArray = array();
            foreach ($results->query->results->json->sentences as $sentence) {
                $translationArray[] = $sentence->trans;
            }
            
            $translatedText = implode("", $translationArray);
        } else {
            $translatedText = $results->query->results->json->sentences->trans;
        }
        
        if ($translatedText == "") return $text;
        
        return $translatedText;
    }
    
    protected function get($url, array $options = array())
    {
        $defaults = array(
            CURLOPT_URL            => $url,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HEADER         => false
        );
        
        $ch = curl_init();
        curl_setopt_array($ch, ($options + $defaults));
        if(! $result = curl_exec($ch)) {
            trigger_error(curl_error($ch));
        }
        curl_close($ch);
        
        return $result;
    }
}