PHP調用Google翻譯的程式類

這篇文章介紹的內容是關於PHP調用Google翻譯的程式類，有著一定的參考價值，現在分享給大家，有需要的朋友可以參考一下

/* *Google翻譯PHP介面 */$Google = new Google();echo $Google->translate('中國', 'en');class Google{    public $out = "";    public $google_translator_url = 'http://translate.google.com/translate_a/t';    public $text = '';    public $from = '';    public $to = '';        function setText($text){ $this->text = $text;}    function translate($text, $to = 'ru'){        $this->out  = "";        $this->text = $text;        $this->from = 'zh_CN';        $this->to   = $to;                $gphtml = $this->postPage();        $arr = $this->decode($gphtml, 1);        if(is_array($arr['sentences'])){            foreach ($arr['sentences'] as $val){                $this->out .= $val['trans'];            }        }        return $this->out;    }        function postPage(){        $sockfd=socket_create(AF_INET,SOCK_STREAM,getprotobyname("tcp"));        $enctext=urlencode($this->text);        $post_fields="sl={$this->from}&tl={$this->to}&client=json&ie=UTF-8&oe=UTF-8&text={$enctext}";        $post_content_length=strlen($post_fields);         $post_org="POST /translate_a/t HTTP/1.1rnHost: translate.google.comrnConnection: ClosernAccept-Encoding: gzip,deflate,sdchrnContent-Length: ".$post_content_length."rnrn".$post_fields;        $ip=gethostbyname("translate.google.com");        socket_connect($sockfd,$ip,80);        socket_send($sockfd,$post_org,strlen($post_org),0);        $buffer="";        $html="";        while(!strstr($buffer,"rnrn")){            $buf="";            $n=socket_recv($sockfd,$buf,2048,0);            if($n!=0 && $n!=-1)            {                $buffer.=$buf;            }                   }        $header=substr($buffer,0,strpos($buffer,"rnrn"));        //echo $post_org."rn".$buffer;exit;        if(!strstr($header,"chunked")){            $html=substr($buffer,strpos($buffer,"rnrn")+4);            while(1){                $nrecv=socket_recv($sockfd,$buf,1024,0);                if($nrecv!=0 && $nrecv!=-1){                    $html.=$buf;                }else{                    socket_close($sockfd);                    return  $this->decodeUnicode($html);                }            }        }        $html="";        $body=substr($buffer,strpos($buffer,"rnrn")+4);        $buf="";        $lastlen=0;        $recvloop=TRUE;        $bufferloop=TRUE;        $nRemainLen=0;        while($recvloop){            while($bufferloop){                if($lastlen!=0){                    $body=substr($body,$lastlen);                }                $pos=strpos($body,"rn");                $len=hexdec(substr($body,0,$pos));                if($len!=0){                    $body=substr($body,$pos+2);                    if(strlen($body)>$len+2){                        $html.=substr($body,0,$len);                        $body=substr($body,$len+$pos+4);                        $lastlen=0;                    }else{                        $lastlen=$len+2-strlen($body);                        if($len<strlen($body))                            $html.=substr($body,0,(strlen($body)-$len)-2);                        else $html.=$body;                        $bufferloop=FALSE;                    }                }else{                    return  $this->decodeUnicode($html);                }            }            $buf="";            $nrecv=socket_recv($sockfd,$buf,1024,0);            if($nrecv!=0 && $nrecv!=-1){                $nRemainLen+=$nrecv;            }            if($nRemainLen>$lastlen) {                $bufferloop=TRUE;                $lastlen=$nrecv-($nRemainLen-$lastlen);                $html.=substr($buf,0,$lastlen-2);                $nRemainLen=0;            }            else $html.=$buf;        }    }    function decode($json,$assoc = false){        $match = '/".*?(?<!\\)"/';        $string = preg_replace($match, '', $json);        $string = preg_replace('/[,:{}[]0-9.-+Eaeflnr-u nrt]/', '', $string);        if ($string != '') { return null;}        $s2m = array();        $m2s = array();        preg_match_all($match, $json, $m);        foreach ($m[0] as $s) {            $hash = '"' . md5($s) . '"';            $s2m[$s] = $hash;            $m2s[$hash] = str_replace('$', '$', $s);        }        $json = strtr($json, $s2m);        $a = ($assoc) ? '' : '(object) ';        $data = array(            ':' => '=>',             '[' => 'array(',             '{' => "{$a}array(",             ']' => ')',             '}' => ')'        );        $json = strtr($json, $data);        $json = preg_replace('~([s(,>])(-?)0~', '$1$2', $json);        $json = strtr($json, $m2s);        $function = @create_function('', "return {$json};");        $return = ($function) ? $function() : null;        unset($s2m);         unset($m2s);         unset($function);        return $return;    }    function decodeUnicode($str) {        return preg_replace_callback('/\\u([0-9a-f]{4})/i',                create_function(                    '$matches',                    'return mb_convert_encoding(pack("H*", $matches[1]), "UTF-8", "UCS-2BE");'                ),                $str);    }}