PHP封装curl的调用接口及常用函数

<?php
    /**
     * @desc 封装curl的调用接口，post的请求方式
     */
    function doCurlPostRequest($url, $requestString, $timeout = 5) {
        if($url == "" || $requestString == "" || $timeout <= 0){
            return false;
        }
         $con = curl_init((string)$url);
        curl_setopt($con, CURLOPT_HEADER, false);
        curl_setopt($con, CURLOPT_POSTFIELDS, $requestString);
        curl_setopt($con, CURLOPT_POST, true);
        curl_setopt($con, CURLOPT_RETURNTRANSFER,true);
        curl_setopt($con, CURLOPT_TIMEOUT, (int)$timeout);
        curl_setopt($con, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($con, CURLOPT_SSL_VERIFYHOST, false);

        return curl_exec($con);
    }

    /**
     * @desc 封装curl的调用接口，post的请求方式
     */
    function doCurlPostsslRequest($url, $requestString,$pemfile, $timeout = 5) {
        if($url == "" || $requestString == "" || $timeout <= 0){
            return false;
        }

        echo $pemfile;

         $con = curl_init((string)$url);
        curl_setopt($con, CURLOPT_HEADER, false);
        curl_setopt($con, CURLOPT_POSTFIELDS, $requestString);
        curl_setopt($con, CURLOPT_POST, true);
        curl_setopt($con, CURLOPT_RETURNTRANSFER,true);
        curl_setopt($con, CURLOPT_TIMEOUT, (int)$timeout);
        curl_setopt($con, CURLOPT_SSL_VERIFYPEER, 1);
        curl_setopt($con, CURLOPT_SSL_VERIFYHOST, 2);
        //curl_setopt($ch, CURLOPT_SSLCERT, $pemfile);
        //curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');
        curl_setopt($con, CURLOPT_CAINFO, $pemfile);

        return curl_exec($con);
    }  

    /**
     * @desc 封装curl的调用接口，post Json数据的请求方式
     */
    function doCurlPostJsonReq($url, $requestString, $timeout = 25){
        if($url == "" || $requestString == "" || $timeout <= 0){
            return false;
        }
        $con = curl_init((string)$url);
        curl_setopt($con, CURLOPT_HEADER, false);
        curl_setopt($con, CURLOPT_POSTFIELDS, $requestString);
        curl_setopt($con, CURLOPT_POST, true);
        curl_setopt($con, CURLOPT_RETURNTRANSFER,true);
        curl_setopt($con, CURLOPT_TIMEOUT, (int)$timeout);
        curl_setopt($con, CURLOPT_HTTPHEADER, array(
            'Content-Type: application/json',
            'Content-Length: ' . strlen($data_string))
        );
        return curl_exec($con);
    }

    /**
     * @desc 封装curl的调用接口，post form数据的请求方式
     */
    function doCurlPostFormReq($url, $requestString, $timeout = 25){
        if($url == "" || $requestString == "" || $timeout <= 0){
            return false;
        }
        $con = curl_init((string)$url);
        curl_setopt($con, CURLOPT_HEADER, false);
        curl_setopt($con, CURLOPT_POSTFIELDS, $requestString);
        curl_setopt($con, CURLOPT_POST, true);
        curl_setopt($con, CURLOPT_RETURNTRANSFER,true);
        curl_setopt($con, CURLOPT_TIMEOUT, (int)$timeout);
        curl_setopt($con, CURLOPT_HTTPHEADER, array(
            'Content-Type: application/x-www-form-urlencoded')
        );
        return curl_exec($con);
    }

    /**
     * @desc 封装curl的调用接口，get的请求方式
     */
    function doCurlGetRequest($url, $data = array(), $timeout = 10) {
        if($url == "" || $timeout <= 0){
            return false;
        }
        if($data != array()) {
            $url = $url . '?' . http_build_query($data);
        }
        Log::write("发送URL[".$url."]");
        $con = curl_init((string)$url);
        curl_setopt($con, CURLOPT_HEADER, false);
        curl_setopt($con, CURLOPT_RETURNTRANSFER,true);
        curl_setopt($con, CURLOPT_TIMEOUT, (int)$timeout);
        curl_setopt($con, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($con, CURLOPT_SSL_VERIFYHOST, false);
        return curl_exec($con);
    }
    /**
     *截取字符串，中文无乱码
    */
    function msubstr($str, $start=0, $length=0,$suffix=false,$charset="utf-8"){
        if(mb_strlen($str,"UTF8") >= $length){
            $next_str = "…";
        }else{
            $next_str = "";
        }
        if(function_exists("mb_substr")){
            if($suffix)
                // return mb_substr($str, $start, $length, $charset)."…";
                return mb_substr($str, $start, $length, $charset).$next_str;
            else
                return mb_substr($str, $start, $length, $charset);
        }elseif(function_exists('iconv_substr')) {
            if($suffix)
                // return iconv_substr($str,$start,$length,$charset)."…";
                return iconv_substr($str,$start,$length,$charset).$next_str;
            else
                return iconv_substr($str,$start,$length,$charset);
        }
        $re['utf-8'] = "/[x01-x7f]|[xc2-xdf][x80-xbf]|[xe0-xef][x80-xbf]{2}|[xf0-xff][x80-xbf]{3}/";
        $re['gb2312'] = "/[x01-x7f]|[xb0-xf7][xa0-xfe]/";
        $re['gbk'] = "/[x01-x7f]|[x81-xfe][x40-xfe]/";
        $re['big5'] = "/[x01-x7f]|[x81-xfe]([x40-x7e]|xa1-xfe])/";
        preg_match_all($re[$charset], $str, $match);
        $slice = join("",array_slice($match[0], $start, $length));
         if($suffix) return $slice."…";
        if(!$suffix) return $slice;
        return $slice;
    }
    /**
     *用户名*隐藏
     *$str = "如来神掌";
     *echo cut_str($str, 1, 0).'**'.cut_str($str, 1, -1);
     *输出：如**掌
    */
    function cut_str($string, $sublen, $start = 0, $code = 'UTF-8')
    {
        if($code == 'UTF-8')
        {
            $pa = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/";
            preg_match_all($pa, $string, $t_string);
            if(count($t_string[0]) - $start > $sublen) return join('', array_slice($t_string[0], $start, $sublen));
            return join('', array_slice($t_string[0], $start, $sublen));
        }
        else
        {
            $start = $start*2;
            $sublen = $sublen*2;
            $strlen = strlen($string);
            $tmpstr = '';
            for($i=0; $i< $strlen; $i++)
            {
                if($i>=$start && $i< ($start+$sublen))
                {
                    if(ord(substr($string, $i, 1))>129)
                    {
                        $tmpstr.= substr($string, $i, 2);
                    }
                    else
                    {
                        $tmpstr.= substr($string, $i, 1);
                    }
                }
                if(ord(substr($string, $i, 1))>129) $i++;
            }
            //if(strlen($tmpstr)< $strlen ) $tmpstr.= "...";
            return $tmpstr;
        }
    }

    /*
    *解决json_encode转换中文的问题，在php5.4下json_encode本身解决的这个问题
    */
    function unescapedUnicode($match)
    {
        return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
    }
    /**
    *截取手机号
    *demo:13112345678
    *return:131****5678
    */
    function hidtel($phone){
        $IsWhat = preg_match('/(0[0-9]{2,3}[-]?[2-9][0-9]{6,7}[-]?[0-9]?)/i',$phone); //固定电话
        if($IsWhat == 1){
            return preg_replace('/(0[0-9]{2,3}[-]?[2-9])[0-9]{3,4}([0-9]{3}[-]?[0-9]?)/i','$1****$2',$phone);
        }else{
            return  preg_replace('/(1[358]{1}[0-9])[0-9]{4}([0-9]{4})/i','$1****$2',$phone);
        }
    }
    //获取IP
    function getIp()
    {
        if (isset($_SERVER)){
            if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
                $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
            } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
                $realip = $_SERVER["HTTP_CLIENT_IP"];
            } else {
                $realip = $_SERVER["REMOTE_ADDR"];
            }
        } else {
            if (getenv("HTTP_X_FORWARDED_FOR")){
                $realip = getenv("HTTP_X_FORWARDED_FOR");
            } else if (getenv("HTTP_CLIENT_IP")) {
                $realip = getenv("HTTP_CLIENT_IP");
            } else {
                $realip = getenv("REMOTE_ADDR");
            }
        }

        return $realip;
    }

    //把汉字转换为数字
    function getUnicodeFromOneUTF8($word)
    {
        //获取其字符的内部数组表示，所以本文件应用utf-8编码!
        //$word = iconv("gb2312", "utf-8", $word);
        if (is_array($word))
            $arr = $word;
        else
            $arr = str_split($word);
        //此时，$arr应类似array(228, 189, 160)
        //定义一个空字符串存储
        $bin_str = '';
        //转成数字再转成二进制字符串，最后联合起来。
        foreach ($arr as $value)
            $bin_str .= decbin(ord($value));
        //此时，$bin_str应类似111001001011110110100000
        //正则截取
        $bin_str = preg_replace('/^.{4}(.{4}).{2}(.{6}).{2}(.{6})$/','$1$2$3', $bin_str);
        //此时， $bin_str应类似0100111101100000,如果是汉字"你"
        return bindec($bin_str);
        //返回类似20320， 汉字"你"
        //return dechex(bindec($bin_str));
        //如想返回十六进制4f60，用这句
    }