PHP 之谷歌翻译

一、效果图

 二、示例代码

class GoogleTranslate
{
    const GOOGLE_URL = 'https://translate.google.cn/translate_a/';

    public function shr32($x, $bits)
    {

        if ($bits <= 0) {
            return $x;
        }
        if ($bits >= 32) {
            return 0;
        }

        $bin = decbin($x);
        $l = strlen($bin);

        if ($l > 32) {
            $bin = substr($bin, $l - 32, 32);
        } elseif ($l < 32) {
            $bin = str_pad($bin, 32, '0', STR_PAD_LEFT);
        }

        return bindec(str_pad(substr($bin, 0, 32 - $bits), 32, '0', STR_PAD_LEFT));
    }

    //这个就是javascript的charCodeAt
    //PHP版本的在这里http://www.phpjiayuan.com/90/225.html
    public function charCodeAt($str, $index)
    {
        $char = mb_substr($str, $index, 1, 'UTF-8');

        if (mb_check_encoding($char, 'UTF-8')) {
            $ret = mb_convert_encoding($char, 'UTF-32BE', 'UTF-8');
            return hexdec(bin2hex($ret));
        } else {
            return null;
        }
    }

    //直接复制google
    public function RL($a, $b)
    {
        for ($c = 0; $c < strlen($b) - 2; $c += 3) {
            $d = $b{$c + 2};
            $d = $d >= 'a' ? $this->charCodeAt($d, 0) - 87 : intval($d);
            $d = $b{$c + 1} == '+' ? $this->shr32($a, $d) : $a << $d;
            $a = $b{$c} == '+' ? ($a + $d & 4294967295) : $a ^ $d;
        }
        return $a;
    }

    //静态TKK，动态获取请使用另外一个方法
    public function TKK()
    {
        $a = 561666268;
        $b = 1526272306;
        return 406398 . '.' . ($a + $b);
    }

    //直接复制google
    public function TL($a)
    {

        $tkk = explode('.', $this->TKK());
        $b = $tkk[0];

        for ($d = array(), $e = 0, $f = 0; $f < mb_strlen($a, 'UTF-8'); $f++) {
            $g = $this->charCodeAt($a, $f);
            if (128 > $g) {
                $d [$e++] = $g;
            } else {
                if (2048 > $g) {
                    $d [$e++] = $g >> 6 | 192;
                } else {
                    if (55296 == ($g & 64512) && $f + 1 < mb_strlen($a, 'UTF-8') && 56320 == ($this->charCodeAt($a, $f + 1) & 64512)) {
                        $g = 65536 + (($g & 1023) << 10) + ($this->charCodeAt($a, ++$f) & 1023);
                        $d [$e++] = $g >> 18 | 240;
                        $d [$e++] = $g >> 12 & 63 | 128;
                    } else {
                        $d [$e++] = $g >> 12 | 224;
                        $d [$e++] = $g >> 6 & 63 | 128;
                    }
                }
                $d [$e++] = $g & 63 | 128;
            }
        }
        $a = $b;
        for ($e = 0; $e < count($d); $e++) {
            $a += $d [$e];
            $a = $this->RL($a, '+-a^+6');
        }
        $a = $this->RL($a, "+-3^+b+-f");
        $a ^= $tkk[1];
        if (0 > $a) {
            $a = ($a & 2147483647) + 2147483648;
        }
        $a = fmod($a, pow(10, 6));
        return $a . "." . ($a ^ $b);
    }

    public function translate($sl, $tl, $q, $param = 't?client=webapp', $method = 'get')
    {

        $tk = $this->TL($q);
        $q = urlencode(stripslashes($q));

        $url = self::GOOGLE_URL . $param . "&sl=" . $sl . "&tl=" . $tl . "&hl=" . $tl . "&dt=bd&dt=ex&dt=ld&dt=md&dt=qca&dt=rw&dt=rm&dt=ss&dt=t&dt=at&ie=UTF-8&oe=UTF-8&otf=2&ssel=0&tsel=0&kc=1&tk=" . $tk;
        if ($method == 'get') $url .= "&q=" . $q;
        $response = trim($this->curl_request($url), '"');
        if ($response) {
            return $response;
        }
        return null;
    }

    function curl_request($url, $data = null, $method = 'get', $https = true)
    {
        $ch = curl_init();//初始化
        curl_setopt($ch, CURLOPT_URL, $url);//访问的URL
        curl_setopt($ch, CURLOPT_HEADER, false);//设置不需要头信息
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);//只获取页面内容，但不输出
        if ($https) {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);//https请求 不验证证书
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);//https请求 不验证HOST
        }
        if (strtolower($method) == 'post') {
            curl_setopt($ch, CURLOPT_POST, true);//请求方式为post请求
            curl_setopt($ch, CURLOPT_POSTFIELDS, $data);//请求数据
            curl_setopt($ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: application/json',
                'Content-Length: ' . strlen($data)
            ));
        }
        $result = curl_exec($ch);//执行请求
        curl_close($ch);//关闭curl，释放资源
        return $result;
    }
}

echo (new GoogleTranslate())->translate('zh','en','挂号直接过来医院就好了')."<br>";
echo (new GoogleTranslate())->translate('zh','en','麻烦留一下地址和联系方式，我们业务经理会电话和你联系')."<br>";