PHP號碼歸屬地區分自動化查詢API封裝

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<?php/*        電話號碼區分地址.儲存到資料庫;*/class Filter{    private $_phone = ‘‘;    private $_api = ‘http://mobsec-dianhua.baidu.com/dianhua_api/open/location?tel=‘;    private $_user;    private $_host;    private $_pwd;    private $_dbname;    private static $conn = null;    private function __construct () {    }    public static function _interance () {        // 返回執行個體        if (self::$conn == null) return self::$conn = new Filter;    }    /*        param host        param user        param pwd        param dbname        return null    */    public function _conn ($host, $user, $pwd, $dbname) {        $this->_host = $host;        $this->_user = $user;        $this->_pwd  = $pwd;        $this->_dbname = $dbname;    }    public function _select () {        try {            $pdo = new PDO(‘mysql:host=‘ . $this->_host . ‘;dbname=‘ . $this->_dbname, $this->_user, $this->_pwd);            $pdo->query("SET CHARSET ‘utf8‘");        } catch (PDOException $e) {            die("Connection fail:") . $e->getMessage();        }        $sql = "SELECT * FROM phone WHERE"; // 待最佳化的sql語句        $stmt = $pdo->prepare($sql);        $stmt->execute();        while ($result = $stmt->fetch(PDO::FETCH_ASSOC)) {            if ($result != []) return $result;        }    }    /*        param phone 電話        return null    */    public function _setdata ($phone) {        if ($phone != null and strlen($phone) == 11) {            $this->_phone = $phone;        }    }    /*        param phone 電話        param api   api地址        return json 字串    */    public function _rseponseText () {        $ch = curl_init();        $str = $this->_api . $this->_phone;        curl_setopt($ch, CURLOPT_URL, $str);        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);        $output = curl_exec($ch);        return $output;    }}

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PHP號碼歸屬地區分自動化查詢API封裝