PHP封装curl的调用接口及常用函数详解

如下所示：

<?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

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