PHP calls Google Translate_PHP tutorial

/*
 * PHP调用谷歌翻译
 * author:cc
 * date:2012/5/4
 */ 
function translate($text,$language='zh-cn|en'){ 
 if(emptyempty($text))return false; 
 @set_time_limit(0); 
 $html = ""; 
 $ch=curl_init("http://google.com/translate_t?langpair=".urlencode($language)."&text=".urlencode($text)); 
 curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); 
 curl_setopt($ch,CURLOPT_HEADER, 0); 
 curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1); 
    $html=curl_exec($ch); 
    if(curl_errno($ch))$html = ""; 
 curl_close($ch); 
 if(!emptyempty($html)){ 
  $x=explode("