PHP在线翻译函数代码

<?
/**
*GOOGLE翻译英汉
*
*@paramstring$text翻译句
*@returnunknown
*/
functiongoogleTran($text){
    if(empty($text))return"";
    sleep(1);//反间碟
    $wf=@file_get_contents("http://translate.google.cn/translate_t?sl=en&tl=zh-CN&text=".urlencode($text)."#");
    if(false===$wf||empty($wf)){
        returnfalse;
    }

    //截取相关信息
    $return="";
    $wf=strip_tags($wf,"<div>");
    $star=strpos($wf,"<divid=result_boxdir=\"ltr\">");
    if(false===$star){
        returnfalse;
    }
    $end=strpos($wf,"</div><divid=clir>");
    if(false===$end){
        returnfalse;
    }
    $return=strip_tags(substr($wf,$star,$end-$star));

    returniconv("GB2312","UTF-8",trim($return));

}
?>