CURL函数扩展及测试

原创：http://www.phpthinking.com/archives/220

001<?php

002/**

003* @description: 封装CURL扩展

004* @date: 2014-07-28 16:04

005*/

006 

007/**

008* @编码规范

009* @class 类名首字母大写，类名为多个单词, 每个大字首字母大写 eg: class Curl , class CurlPage

010* @variable 变量名小写, 变量名为多个单词, 每个单词小写，使用下划线_分割 eg: $curl_result

011* @function 函数名与类名规则相同 eg: function SendRequest

012* @params 函数形参规则与变量名相同

013* @class-variable 成员变量,以下划线结尾,多个单词使用下划线分隔. eg: private $host_name_

014*/

015/**

016* @要求

017*

018*/

019classCurl{

020 

021/**

022* @请求的host

023*/

024private$host_;

025 

026/**

027* @curl 句柄

028*/

029private$ch_;

030 

031/**

032* @请求的设置

033*/

034private$options_;

035 

036/**

037* @保存请求头信息

038*/

039private$request_header_;

040 

041/**

042* @保存响应头信息

043*/

044private$response_header_;

045 

046/**

047* @body_ 用于保存curl请求返回的结果

048*/

049private$body_;

050 

051/**

052* @读取cookie

053*/

054private$cookie_file_;

055 

056/**

057* @写入cookie

058*/

059private$cookie_jar_;

060 

061/**

062* @todo proxy

063* @构造函数，初始化CURL回话

064*/

065publicfunction __construct(){

066$this->ch_ = curl_init();

067curl_setopt($this->ch_, CURLOPT_COOKIE, 1);

068curl_setopt($this->ch_, CURLOPT_HEADER, 1);

069curl_setopt($this->ch_, CURLOPT_RETURNTRANSFER , 1 );

070}

071 

072/**

073* @返回响应头

074*/

075publicfunction ResponseHeader($time_=5){

076if(!function_exists('http_parse_headers')) {

077functionhttp_parse_headers ($raw_headers){

078$headers= array();

079foreach(explode("\n",$raw_headers)as$i => $h) {

080$h= explode(':',$h, 2);

081if(isset($h[1])) {

082if(!isset($headers[$h[0]])) {

083$headers[$h[0]] = trim($h[1]);

084}elseif(is_array($headers[$h[0]])) {

085$tmp= array_merge($headers[$h[0]],array(trim($h[1])));

086$headers[$h[0]] = $tmp;

087}else{

088$tmp= array_merge(array($headers[$h[0]]),array(trim($h[1])));

089$headers[$h[0]] = $tmp;

090}

091}

092}

093return$headers;

094}

095}

096curl_setopt($this->ch_, CURLOPT_TIMEOUT, $time_);

097$header_size= curl_getinfo($this->ch_, CURLINFO_HEADER_SIZE);

098$this->response_header_ = substr($this->body_,$start= 0, $offset= $header_size);

099$this->response_header_ = http_parse_headers($this->response_header_);

100print_r($this->response_header_);

101}

102/**

103* @读取cookie

104*/

105publicfunction SetCookieFile($url,$cookie_file){

106curl_setopt($this->ch_, CURLOPT_URL, $url);

107curl_setopt($this->ch_, CURLOPT_COOKIEFILE , $cookie_file);

108$this->body_=$this->Execut();

109return$this->Close($this->body_);

110}

111 

112/**

113* @写入cookie

114*/

115publicfunction SetCookieJar($url,$cookie_jar){

116curl_setopt($this->ch_, CURLOPT_URL, $url);

117curl_setopt($this->ch_, CURLOPT_COOKIEJAR , $cookie_jar);

118$this->body_=$this->Execut();

119return$this->Close($this->body_);

120}

121 

122/**

123* @设置HEADER

124*/

125 

126publicfunction SetHeader($headers= null){

127if(is_array($headers) && count($headers) > 0) {

128curl_setopt($this->ch_, CURLOPT_HTTPHEADER, $headers);

129}

130}

131 

132/**

133* @GET请求

134*/

135publicfunction Get($url,$time_=5,$response=false,array$params = array()) {

136if($params) {

137if(strpos($url,'?')) {

138$url.= "&".http_build_query($params);

139}

140else{

141$url.= "?".http_build_query($params);

142}

143}

144curl_setopt($this->ch_, CURLOPT_URL, $url);

145curl_setopt($this->ch_, CURLOPT_TIMEOUT, $time_);

146if(strpos($url,'https') === 0) {

147curl_setopt($this->ch_, CURLOPT_SSL_VERIFYHOST, 0);

148curl_setopt($this->ch_, CURLOPT_SSL_VERIFYPEER, 0);

149}

150$this->body_=$this->Execut();

151if($response){

152$this->ResponseHeader($time_);

153}

154return$this->Close($this->body_);

155}

156 

157/**

158* @POST请求

159*/

160publicfunction Post($url,$time_=5,$response=false,array$params = array()) {

161curl_setopt($this->ch_, CURLOPT_URL, $url);

162curl_setopt($this->ch_, CURLOPT_SSL_VERIFYPEER, 0);

163curl_setopt($this->ch_, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));

164curl_setopt($this->ch_, CURLOPT_POST, true);

165curl_setopt($this->ch_, CURLOPT_TIMEOUT, $time_);

166if($params) {

167curl_setopt($this->ch_, CURLOPT_POSTFIELDS, http_build_query($params));

168}

169$this->body_=$this->Execut();

170if($response){

171$this->ResponseHeader($time_);

172}

173return$this->Close($this->body_);

174}

175 

176/**

177* @tips: google http head 方法

178*/

179publicfunction Head($url,$time_=5,$response=false,array$params = array()) {

180curl_setopt($this->ch_, CURLOPT_URL, $url);

181curl_setopt($this->ch_, CURLOPT_TIMEOUT, $time_);

182curl_setopt($this->ch_, CURLOPT_RETURNTRANSFER , 0);

183curl_setOpt($this->ch_,CURLOPT_NOBODY, true);

184$this->body_=$this->Execut();

185if($response){

186$this->ResponseHeader($time_);

187}

188return$this->Close($this->body_);

189}

190 

191/**

192* @执行CURL会话

193*/

194publicfunction Execut(){

195returncurl_exec($this->ch_);

196}

197 

198/**

199* @关闭CURL句柄

200*/

201publicfunction Close($body_){

202if($body_=== false) {

203$fh= fopen('log_error.txt',"w");

204$log_error=curl_error($this->ch_);

205fwrite($fh,"CURL Error: " .$log_error);

206fclose($fh);

207returnfalse;

208}

209curl_close($this->ch_);

210return$body_;

211}

212}

213 

214//测试数据

215 

216$x=newCurl();

217 

218$x->Post('http://www.baidu.com','',true);

219//$x->SetCookieJar("http://www.baidu.com/index.php?tn=19045005_27_pg",'');

220//$x->ResponseHeader('http://www.baidu.com');

221//$x->Head('http://www.baidu.com');

222//$x->Get('http://www.baidu.com');

223//$x->Post('http://www.baidu.com');