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用php实现proxy功能的示范_PHP

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Jun 01, 2016 pm 12:25 PM

arr return this Function accomplish

Proxy

刚刚写的练手的作品。感觉还是有些实用价值的。。放出来给大家试试。
功能：通过php实现代理功能
适用用户：在家下载较慢。且懒得找proxy。且有高速主机，且主机有php，且主机支持socket。
使用方法：
1。把本程序传到主机上
2。通过浏览器浏览主机上的此文件
3。在url中填入欲下载的文件地址（如果有必要，可以填入referer）
4。点击get proxy url
5。新打开的页面中的链接即为通过proxy下载的链接

注意：
1。支持多线程下载,断点续传
2。仅支持http协议
3。不支持服务器端header重定向
4。不支持http auth
5。下载较大的文件时，可以修改程序中set_time_limit的值，以减少断线的现象（默认为180，即3分钟）

<font size="2"><font face="Verdana">PHP代码:</font><hr></font><code><font color="#000000">
<br><font color="#0000bb"><?php <br /></font><font color="#ff8000">/***************************************/
<br>/*                                     */
<br>/*    Php Http Proxy                   */
<br>/*    version: 0.0.2                   */
<br>/*    last modify: 2005.1.12           */
<br>/*    author: q3boy<q3boy>    */
<br>/*                                     */
<br>/***************************************/
<br></q3boy></font><font color="#0000bb">set_time_limit</font><font color="#007700">(</font><font color="#0000bb">180</font><font color="#007700">);
<br>
<br></font><font color="#0000bb">define</font><font color="#007700">(</font><font color="#dd0000">'PP_ERROR_CODE'</font><font color="#007700">,</font><font color="#0000bb">1</font><font color="#007700">);
<br></font><font color="#0000bb">define</font><font color="#007700">(</font><font color="#dd0000">'PP_ERROR_MESSAGE'</font><font color="#007700">,</font><font color="#0000bb">2</font><font color="#007700">);
<br></font><font color="#0000bb">define</font><font color="#007700">(</font><font color="#dd0000">'PP_ERROR_ALL'</font><font color="#007700">,</font><font color="#0000bb">3</font><font color="#007700">);
<br></font><font color="#0000bb">define</font><font color="#007700">(</font><font color="#dd0000">'PP_RETURN_STRING'</font><font color="#007700">,</font><font color="#0000bb">1</font><font color="#007700">);
<br></font><font color="#0000bb">define</font><font color="#007700">(</font><font color="#dd0000">'PP_RETURN_ARRAY'</font><font color="#007700">,</font><font color="#0000bb">2</font><font color="#007700">);
<br></font><font color="#0000bb">define</font><font color="#007700">(</font><font color="#dd0000">'PP_RETURN_ALL'</font><font color="#007700">,</font><font color="#0000bb">3</font><font color="#007700">);
<br>
<br>class </font><font color="#0000bb">CPhpProxy </font><font color="#007700">{
<br>
<br>    var </font><font color="#0000bb">$_strUrl</font><font color="#007700">;
<br>    var </font><font color="#0000bb">$_arrArgv</font><font color="#007700">;
<br>    var </font><font color="#0000bb">$_strRef</font><font color="#007700">;
<br>    var </font><font color="#0000bb">$_arrUrl</font><font color="#007700">;
<br>    var </font><font color="#0000bb">$_resSocket</font><font color="#007700">;
<br>    var </font><font color="#0000bb">$_intError</font><font color="#007700">;
<br>    var </font><font color="#0000bb">$_strError</font><font color="#007700">;
<br>    var </font><font color="#0000bb">$_arrDefaultArrayUrl</font><font color="#007700">;
<br>    var </font><font color="#0000bb">$_arrDefaultPort</font><font color="#007700">;
<br>
<br>    function </font><font color="#0000bb">CPhpProxy</font><font color="#007700">(</font><font color="#0000bb">$strUrl </font><font color="#007700">= </font><font color="#0000bb">null</font><font color="#007700">, </font><font color="#0000bb">$arrArgv </font><font color="#007700">= array()) {
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">init</font><font color="#007700">();
<br>        </font><font color="#0000bb">is_null</font><font color="#007700">(</font><font color="#0000bb">$strUrl</font><font color="#007700">)?</font><font color="#dd0000">''</font><font color="#007700">:</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">setUrl</font><font color="#007700">(</font><font color="#0000bb">$strUrl</font><font color="#007700">);
<br>        </font><font color="#0000bb">is_null</font><font color="#007700">(</font><font color="#0000bb">$arrArgv</font><font color="#007700">[</font><font color="#dd0000">'refer'</font><font color="#007700">])?</font><font color="#dd0000">''</font><font color="#007700">:</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">setRef</font><font color="#007700">(</font><font color="#0000bb">$arrArgv</font><font color="#007700">[</font><font color="#dd0000">'refer'</font><font color="#007700">]);
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">proxy</font><font color="#007700">(</font><font color="#0000bb">$strUrl</font><font color="#007700">,</font><font color="#0000bb">$arrArgv</font><font color="#007700">);
<br>    }
<br>    function </font><font color="#0000bb">setError</font><font color="#007700">(</font><font color="#0000bb">$intError</font><font color="#007700">,</font><font color="#0000bb">$mixArgv</font><font color="#007700">=</font><font color="#0000bb">null</font><font color="#007700">) {
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_intError </font><font color="#007700">= </font><font color="#0000bb">$intError</font><font color="#007700">;
<br>        if(</font><font color="#0000bb">$intError</font><font color="#007700">==</font><font color="#0000bb">1001</font><font color="#007700">) {
<br>            </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strError </font><font color="#007700">= </font><font color="#dd0000">"调用 $mixArgv 方法时参数传递出错, 枚举值不存在"</font><font color="#007700">;
<br>        }elseif(</font><font color="#0000bb">$intError</font><font color="#007700">==</font><font color="#0000bb">1</font><font color="#007700">) {
<br>            </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strError </font><font color="#007700">= </font><font color="#dd0000">"url 错误, url 格式不正确.\n"</font><font color="#007700">.</font><font color="#0000bb">$mixArgvs</font><font color="#007700">;
<br>        }elseif(</font><font color="#0000bb">$intError </font><font color="#007700">== </font><font color="#0000bb">2</font><font color="#007700">) {
<br>            </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strError </font><font color="#007700">= </font><font color="#dd0000">"url 错误, 目前尚未支持此协议.\n"</font><font color="#007700">.</font><font color="#0000bb">$mixArgvs</font><font color="#007700">;
<br>        }elseif(</font><font color="#0000bb">$intError </font><font color="#007700">== </font><font color="#0000bb">3</font><font color="#007700">) {
<br>            </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strError </font><font color="#007700">= </font><font color="#dd0000">"无法打开 "</font><font color="#007700">.</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl</font><font color="#007700">[</font><font color="#dd0000">'host'</font><font color="#007700">].</font><font color="#dd0000">':'</font><font color="#007700">.</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl</font><font color="#007700">[</font><font color="#dd0000">'port'</font><font color="#007700">].</font><font color="#dd0000">"\n"</font><font color="#007700">.</font><font color="#0000bb">$mixArgv</font><font color="#007700">[</font><font color="#0000bb">0</font><font color="#007700">].</font><font color="#dd0000">': '</font><font color="#007700">.</font><font color="#0000bb">$mixArgv</font><font color="#007700">[</font><font color="#0000bb">1</font><font color="#007700">];
<br>        }
<br>        
<br>        Return </font><font color="#0000bb">false</font><font color="#007700">;
<br>    }
<br>
<br>    function </font><font color="#0000bb">getError</font><font color="#007700">(</font><font color="#0000bb">$enumReturnType</font><font color="#007700">=</font><font color="#0000bb">PP_ERROR_CODE</font><font color="#007700">) {
<br>        if(</font><font color="#0000bb">$enumReturnType</font><font color="#007700">==</font><font color="#0000bb">PP_ERROR_ALL</font><font color="#007700">) {
<br>            Return array(</font><font color="#0000bb">str_pad</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_intError</font><font color="#007700">,</font><font color="#0000bb">5</font><font color="#007700">,</font><font color="#dd0000">'0'</font><font color="#007700">,</font><font color="#0000bb">STR_PAD_LEFT</font><font color="#007700">),</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strError</font><font color="#007700">);
<br>        }elseif(</font><font color="#0000bb">$enumReturnType</font><font color="#007700">==</font><font color="#0000bb">PP_ERROR_MESSAGE</font><font color="#007700">) {
<br>            Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strError</font><font color="#007700">;
<br>        }elseif(</font><font color="#0000bb">$enumReturnType</font><font color="#007700">==</font><font color="#0000bb">PP_ERROR_CODE</font><font color="#007700">) {
<br>            Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_intError</font><font color="#007700">;
<br>        }else {
<br>            Return </font><font color="#0000bb">false</font><font color="#007700">;
<br>        }
<br>    }
<br>
<br>    function </font><font color="#0000bb">init</font><font color="#007700">() {
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strUrl </font><font color="#007700">= </font><font color="#0000bb">null</font><font color="#007700">;
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrArgv </font><font color="#007700">= array();
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strRef </font><font color="#007700">= </font><font color="#0000bb">null</font><font color="#007700">;
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl </font><font color="#007700">= array();
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket </font><font color="#007700">= </font><font color="#0000bb">null</font><font color="#007700">;
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_intError </font><font color="#007700">= </font><font color="#0000bb">0</font><font color="#007700">;
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strError </font><font color="#007700">= </font><font color="#dd0000">'there is no error'</font><font color="#007700">;
<br>        </font><font color="#ff8000">//arrurl 默认值
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrDefaultArrayUrl </font><font color="#007700">= array(</font><font color="#dd0000">'protocol'</font><font color="#007700">=></font><font color="#dd0000">'http'</font><font color="#007700">,</font><font color="#dd0000">'file'</font><font color="#007700">=></font><font color="#dd0000">'index.htm'</font><font color="#007700">);
<br>        </font><font color="#ff8000">//默认端口
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrDefaultPort </font><font color="#007700">=array(</font><font color="#dd0000">'http'</font><font color="#007700">=></font><font color="#dd0000">'80'</font><font color="#007700">);
<br>        Return </font><font color="#0000bb">true</font><font color="#007700">;
<br>    }
<br>    function </font><font color="#0000bb">setUrl</font><font color="#007700">(</font><font color="#0000bb">$strUrl</font><font color="#007700">) {
<br>        </font><font color="#0000bb">$strUrl </font><font color="#007700">= </font><font color="#0000bb">trim</font><font color="#007700">(</font><font color="#0000bb">$strUrl</font><font color="#007700">);
<br>        </font><font color="#ff8000">//正则
<br>        </font><font color="#0000bb">$reg </font><font color="#007700">= </font><font color="#dd0000">"/^(([\w]+):\/\/)?([^:|\/|@]*:)?([^:|\/|@]*@)?([\w|\-|\.]+)(:\d+)?(\/[^\?|#]*)?(\?[^#]*)?(#.*)?$/is"</font><font color="#007700">;
<br>        if(!</font><font color="#0000bb">preg_match</font><font color="#007700">(</font><font color="#0000bb">$reg</font><font color="#007700">,</font><font color="#0000bb">$strUrl</font><font color="#007700">,</font><font color="#0000bb">$arrUrl</font><font color="#007700">)) {
<br>            Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">setError</font><font color="#007700">(</font><font color="#0000bb">1</font><font color="#007700">,</font><font color="#0000bb">$strUrl</font><font color="#007700">);
<br>        }else {
<br>            </font><font color="#ff8000">//拆解匹配数组
<br>            </font><font color="#007700">list(</font><font color="#0000bb">$tmp</font><font color="#007700">, </font><font color="#0000bb">$tmp</font><font color="#007700">, </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'protocol'</font><font color="#007700">], </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'user'</font><font color="#007700">], </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'pass'</font><font color="#007700">], </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'host'</font><font color="#007700">], </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'port'</font><font color="#007700">], </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'path'</font><font color="#007700">], </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'query'</font><font color="#007700">], </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'anchor'</font><font color="#007700">]) = </font><font color="#0000bb">$arrUrl</font><font color="#007700">;
<br>            </font><font color="#ff8000">//默认协议
<br>            </font><font color="#007700">if(!</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'protocol'</font><font color="#007700">]) {
<br>                </font><font color="#0000bb">$arrUrl</font><font color="#007700">[</font><font color="#0000bb">1</font><font color="#007700">] = </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrDefaultArrayUrl</font><font color="#007700">[</font><font color="#dd0000">'protocol'</font><font color="#007700">].</font><font color="#dd0000">'://'</font><font color="#007700">;
<br>            }
<br>            </font><font color="#ff8000">//设 filename
<br>            </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'file'</font><font color="#007700">] = </font><font color="#0000bb">basename</font><font color="#007700">(</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'path'</font><font color="#007700">]);
<br>            </font><font color="#ff8000">//默认值
<br>            </font><font color="#007700">foreach(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrDefaultArrayUrl </font><font color="#007700">as </font><font color="#0000bb">$key</font><font color="#007700">=></font><font color="#0000bb">$val</font><font color="#007700">) {
<br>                if(</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#0000bb">$key</font><font color="#007700">] == </font><font color="#dd0000">''</font><font color="#007700">) {
<br>                    </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#0000bb">$key</font><font color="#007700">] = </font><font color="#0000bb">$val</font><font color="#007700">;
<br>                }
<br>            }
<br>            </font><font color="#ff8000">//默认端口
<br>            </font><font color="#007700">if(</font><font color="#0000bb">is_null</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrDefaultPort</font><font color="#007700">[</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'protocol'</font><font color="#007700">]])) {
<br>                Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">setError</font><font color="#007700">(</font><font color="#0000bb">2</font><font color="#007700">,</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'protocol'</font><font color="#007700">]);
<br>            }elseif(!</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'port'</font><font color="#007700">]) {
<br>                </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'port'</font><font color="#007700">] = </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrDefaultPort</font><font color="#007700">[</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'protocol'</font><font color="#007700">]];
<br>            }
<br>
<br>            </font><font color="#ff8000">//设 uri
<br>            </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'uri'</font><font color="#007700">]  = (</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'path'</font><font color="#007700">]?</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'path'</font><font color="#007700">]:</font><font color="#dd0000">'/'</font><font color="#007700">) . (</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'query'</font><font color="#007700">]?</font><font color="#dd0000">'?'</font><font color="#007700">.</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'query'</font><font color="#007700">]:</font><font color="#dd0000">''</font><font color="#007700">) . (</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'anchor'</font><font color="#007700">]?</font><font color="#dd0000">'#'</font><font color="#007700">.</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'anchor'</font><font color="#007700">]:</font><font color="#dd0000">''</font><font color="#007700">);
<br>            </font><font color="#ff8000">//设 url
<br>            </font><font color="#007700">unset(</font><font color="#0000bb">$arrUrl</font><font color="#007700">[</font><font color="#0000bb">0</font><font color="#007700">]);
<br>            unset(</font><font color="#0000bb">$arrUrl</font><font color="#007700">[</font><font color="#0000bb">2</font><font color="#007700">]);
<br>            </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strUrl </font><font color="#007700">= </font><font color="#0000bb">implode</font><font color="#007700">(</font><font color="#dd0000">''</font><font color="#007700">,</font><font color="#0000bb">$arrUrl</font><font color="#007700">);
<br>            </font><font color="#ff8000">//设 arrurl
<br>            </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl </font><font color="#007700">= </font><font color="#0000bb">$arr</font><font color="#007700">;
<br>            Return </font><font color="#0000bb">true</font><font color="#007700">;
<br>        }
<br>    }
<br>    function </font><font color="#0000bb">getUrl</font><font color="#007700">(</font><font color="#0000bb">$enumReturnType </font><font color="#007700">= </font><font color="#0000bb">PP_RETURN_ARRAY</font><font color="#007700">) {
<br>        if(</font><font color="#0000bb">$enumReturnType</font><font color="#007700">==</font><font color="#0000bb">PP_RETURN_STRING</font><font color="#007700">) {
<br>            Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strUrl</font><font color="#007700">;
<br>        }elseif(</font><font color="#0000bb">$enumReturnType</font><font color="#007700">==</font><font color="#0000bb">PP_RETURN_ARRAY</font><font color="#007700">) {
<br>            Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl</font><font color="#007700">;
<br>        }if(</font><font color="#0000bb">$enumReturnType</font><font color="#007700">==</font><font color="#0000bb">PP_RETURN_ALL</font><font color="#007700">) {
<br>            Return array(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strUrl</font><font color="#007700">,</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl</font><font color="#007700">);
<br>        }else {
<br>            Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">setError</font><font color="#007700">(</font><font color="#0000bb">1001</font><font color="#007700">);
<br>        }
<br>        
<br>    }
<br>    function </font><font color="#0000bb">setRefer</font><font color="#007700">(</font><font color="#0000bb">$strRef</font><font color="#007700">) {
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strRef </font><font color="#007700">= </font><font color="#0000bb">trim</font><font color="#007700">(</font><font color="#0000bb">$strRef</font><font color="#007700">);
<br>        Return </font><font color="#0000bb">true</font><font color="#007700">;
<br>    }
<br>    function </font><font color="#0000bb">getRefer</font><font color="#007700">() {
<br>        Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_strRef</font><font color="#007700">;
<br>    }
<br>
<br>    function </font><font color="#0000bb">getProxyUrl</font><font color="#007700">() {
<br>        global </font><font color="#0000bb">$_SERVER</font><font color="#007700">;
<br>        list(</font><font color="#0000bb">$strProcotol</font><font color="#007700">) = </font><font color="#0000bb">explode</font><font color="#007700">(</font><font color="#dd0000">'/'</font><font color="#007700">,</font><font color="#0000bb">strtolower</font><font color="#007700">(</font><font color="#0000bb">trim</font><font color="#007700">(</font><font color="#0000bb">$_SERVER</font><font color="#007700">[</font><font color="#dd0000">'SERVER_PROTOCOL'</font><font color="#007700">])));
<br>        </font><font color="#0000bb">$str </font><font color="#007700">= </font><font color="#0000bb">$strProcotol</font><font color="#007700">.</font><font color="#dd0000">'://'</font><font color="#007700">.</font><font color="#0000bb">$_SERVER</font><font color="#007700">[</font><font color="#dd0000">'HTTP_HOST'</font><font color="#007700">].</font><font color="#0000bb">$_SERVER</font><font color="#007700">[</font><font color="#dd0000">'PHP_SELF'</font><font color="#007700">].
<br>                 </font><font color="#dd0000">'?u='</font><font color="#007700">.</font><font color="#0000bb">urlencode</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">getUrl</font><font color="#007700">(</font><font color="#0000bb">PP_RETURN_STRING</font><font color="#007700">)).
<br>                 (</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">getRefer</font><font color="#007700">()?(</font><font color="#dd0000">'&r='</font><font color="#007700">.</font><font color="#0000bb">urlencode</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">getRefer</font><font color="#007700">())):</font><font color="#dd0000">''</font><font color="#007700">);
<br>        Return </font><font color="#0000bb">$str</font><font color="#007700">;
<br>    }
<br>    function </font><font color="#0000bb">openSocket</font><font color="#007700">() {
<br>        </font><font color="#0000bb">$arr </font><font color="#007700">= </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">getUrl</font><font color="#007700">();
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket </font><font color="#007700">= @</font><font color="#0000bb">fsockopen</font><font color="#007700">(</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'host'</font><font color="#007700">],</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'port'</font><font color="#007700">],</font><font color="#0000bb">$intError</font><font color="#007700">, </font><font color="#0000bb">$strError</font><font color="#007700">, </font><font color="#0000bb">30</font><font color="#007700">);
<br>        if(!</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket</font><font color="#007700">) {
<br>            </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket </font><font color="#007700">= </font><font color="#0000bb">null</font><font color="#007700">;
<br>            Return </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">setError</font><font color="#007700">(</font><font color="#0000bb">3</font><font color="#007700">,array(</font><font color="#0000bb">$intError</font><font color="#007700">, </font><font color="#0000bb">$strError</font><font color="#007700">));
<br>        }else {
<br>            Return </font><font color="#0000bb">true</font><font color="#007700">;
<br>        }
<br>    }
<br>    function </font><font color="#0000bb">getRequest</font><font color="#007700">() {
<br>        Return </font><font color="#0000bb">$this</font><font color="#007700">->{</font><font color="#dd0000">'get'</font><font color="#007700">.</font><font color="#0000bb">ucfirst</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl</font><font color="#007700">[</font><font color="#dd0000">'protocol'</font><font color="#007700">]).</font><font color="#dd0000">'Request'</font><font color="#007700">}();
<br>    }
<br>    function </font><font color="#0000bb">sendRequest</font><font color="#007700">() {
<br>        Return </font><font color="#0000bb">fwrite</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket</font><font color="#007700">,</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">getRequest</font><font color="#007700">());
<br>    }
<br>    function </font><font color="#0000bb">flushResponse</font><font color="#007700">() {
<br>        Return </font><font color="#0000bb">$this</font><font color="#007700">->{</font><font color="#dd0000">'flush'</font><font color="#007700">.</font><font color="#0000bb">ucfirst</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl</font><font color="#007700">[</font><font color="#dd0000">'protocol'</font><font color="#007700">]).</font><font color="#dd0000">'Response'</font><font color="#007700">}();
<br>    }
<br>    function </font><font color="#0000bb">getHttpRequest</font><font color="#007700">() {
<br>        </font><font color="#0000bb">$arr </font><font color="#007700">= </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">getUrl</font><font color="#007700">();
<br>        </font><font color="#0000bb">$arrRequest </font><font color="#007700">= </font><font color="#0000bb">getallheaders</font><font color="#007700">();
<br>        </font><font color="#0000bb">$arrRequest</font><font color="#007700">[</font><font color="#dd0000">'Host'</font><font color="#007700">] = </font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'host'</font><font color="#007700">];
<br>        </font><font color="#0000bb">$strRequest  </font><font color="#007700">= </font><font color="#dd0000">"GET "</font><font color="#007700">.</font><font color="#0000bb">$arr</font><font color="#007700">[</font><font color="#dd0000">'uri'</font><font color="#007700">].</font><font color="#dd0000">" HTTP/1.1\r\n"</font><font color="#007700">;
<br>        foreach(</font><font color="#0000bb">$arrRequest </font><font color="#007700">as </font><font color="#0000bb">$key</font><font color="#007700">=></font><font color="#0000bb">$val</font><font color="#007700">) {
<br>            </font><font color="#0000bb">$strRequest </font><font color="#007700">.=</font><font color="#dd0000">"$key: $val\r\n"</font><font color="#007700">;
<br>        }
<br>        </font><font color="#0000bb">$strRequest </font><font color="#007700">.=</font><font color="#dd0000">"\r\n"</font><font color="#007700">;
<br>        Return </font><font color="#0000bb">$strRequest</font><font color="#007700">;
<br>    }
<br>    function </font><font color="#0000bb">flushHttpResponse</font><font color="#007700">() {
<br>        </font><font color="#0000bb">$bolHeader</font><font color="#007700">=</font><font color="#0000bb">true</font><font color="#007700">;
<br>        while (!</font><font color="#0000bb">feof</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket</font><font color="#007700">)) {
<br>            </font><font color="#0000bb">$str </font><font color="#007700">= </font><font color="#0000bb">fgets</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket</font><font color="#007700">, </font><font color="#0000bb">4096</font><font color="#007700">);
<br>            if(</font><font color="#0000bb">$bolHeader</font><font color="#007700">) {
<br>                @</font><font color="#0000bb">header</font><font color="#007700">(</font><font color="#0000bb">$str</font><font color="#007700">);
<br>            }else {
<br>                echo(</font><font color="#0000bb">$str</font><font color="#007700">);
<br>            }
<br>            if(</font><font color="#0000bb">$bolHeader </font><font color="#007700">&& </font><font color="#0000bb">$str</font><font color="#007700">==</font><font color="#dd0000">"\r\n"</font><font color="#007700">) {
<br>                </font><font color="#0000bb">$bolHeader</font><font color="#007700">=</font><font color="#0000bb">false</font><font color="#007700">;
<br>                @</font><font color="#0000bb">header</font><font color="#007700">(</font><font color="#dd0000">"Content-type: application/gzip"</font><font color="#007700">);
<br>                @</font><font color="#0000bb">header</font><font color="#007700">(</font><font color="#dd0000">'Content-Disposition: attachment; filename="'</font><font color="#007700">.</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_arrUrl</font><font color="#007700">[</font><font color="#dd0000">'file'</font><font color="#007700">].</font><font color="#dd0000">'"'</font><font color="#007700">);
<br>            }
<br>        }
<br>        Return </font><font color="#0000bb">true</font><font color="#007700">;
<br>    }
<br>    function </font><font color="#0000bb">close</font><font color="#007700">() {
<br>        </font><font color="#0000bb">fclose</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket</font><font color="#007700">);
<br>        </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">_resSocket </font><font color="#007700">= </font><font color="#0000bb">null</font><font color="#007700">;
<br>        Return </font><font color="#0000bb">true</font><font color="#007700">;
<br>    }
<br>    function </font><font color="#0000bb">proxy</font><font color="#007700">(</font><font color="#0000bb">$strUrl </font><font color="#007700">= </font><font color="#0000bb">null</font><font color="#007700">,</font><font color="#0000bb">$arrArgv </font><font color="#007700">= array()) {
<br>        if(!</font><font color="#0000bb">is_null</font><font color="#007700">(</font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">getUrl</font><font color="#007700">(</font><font color="#0000bb">PP_RETURN_STRING</font><font color="#007700">)) && </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">openSocket</font><font color="#007700">() && </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">sendRequest</font><font color="#007700">() && </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">flushResponse</font><font color="#007700">()) {
<br>            echo(</font><font color="#0000bb">123</font><font color="#007700">);
<br>            </font><font color="#0000bb">$this</font><font color="#007700">-></font><font color="#0000bb">close</font><font color="#007700">();
<br>        }else {
<br>            Return </font><font color="#0000bb">false</font><font color="#007700">;
<br>        }
<br>    }
<br>}
<br>if(</font><font color="#0000bb">sizeof</font><font color="#007700">(</font><font color="#0000bb">$_GET</font><font color="#007700">)) {
<br>    </font><font color="#0000bb">$strGetArrayName </font><font color="#007700">= </font><font color="#dd0000">'_GET'</font><font color="#007700">;
<br>}elseif(</font><font color="#0000bb">sizeof</font><font color="#007700">(</font><font color="#0000bb">$HTTP_GET_VARS</font><font color="#007700">)) {
<br>    </font><font color="#0000bb">$strGetArrayName </font><font color="#007700">= </font><font color="#dd0000">'HTTP_GET_VARS'</font><font color="#007700">;
<br>}else {
<br>    die(</font><font color="#dd0000">'
<br>
<br>
<br><meta http-equiv="Content-Type" content="text/html">
<br><title>PhpProxy</title>
<br><style type="text/css">
<br /><!--body,td {font-family: verdana; font-size: 12px;}th,input {font-family: verdana;}-->
<br /></style>
<br>
<br>
<br><form name="form1" method="get" action="'</font><font%20color=">.</form></font><font color="#0000bb">$_SERVER</font><font color="#007700">[</font><font color="#dd0000">'PHP_SELF'</font><font color="#007700">].</font><font color="#dd0000">'">
<br>    <table width="500" border="1" align="center" cellpadding="5" cellspacing="1">
<br>        <tr>
<br>            <th colspan="2">PhpProxy</th>
<br>        </tr>
<br>        <tr>
<br>            <td width="39" nowrap>URL:</td>
<br>            <td width="432"><input name="u" type="text" id="u" size="60"></td>
<br>        </tr>
<br>        <tr>
<br>            <td nowrap>REFERER:</td>
<br>            <td><input name="r" type="text" id="r" size="60"></td>
<br>        </tr>
<br>        <tr>
<br>            <td colspan="2" align="center">
<input name="act" value="make" type="hidden">
<br>                <input type="submit" value="Get Proxy Url">
<br>                <input type="reset">
</td>
<br>        </tr>
<br>    </table>
<br>
<br>
<br>'</font><font color="#007700">);
<br>}
<br></font><font color="#0000bb">$strUrl </font><font color="#007700">= </font><font color="#0000bb">trim</font><font color="#007700">(${</font><font color="#0000bb">$strGetArrayName</font><font color="#007700">}[</font><font color="#dd0000">'u'</font><font color="#007700">]);
<br>if(</font><font color="#0000bb">$strUrl</font><font color="#007700">==</font><font color="#dd0000">''</font><font color="#007700">) {
<br>    die(</font><font color="#dd0000">'请输入 url 地址.'</font><font color="#007700">);
<br>}
<br></font><font color="#ff8000">//get referer
<br></font><font color="#0000bb">$strRefTmp </font><font color="#007700">= </font><font color="#0000bb">trim</font><font color="#007700">(${</font><font color="#0000bb">$strGetArrayName</font><font color="#007700">}[</font><font color="#dd0000">'r'</font><font color="#007700">]);
<br></font><font color="#ff8000">//初始化 proxy 类
<br></font><font color="#0000bb">$objProxy </font><font color="#007700">= new </font><font color="#0000bb">CPhpProxy</font><font color="#007700">();
<br></font><font color="#ff8000">//设置 url 和 refer
<br></font><font color="#0000bb">$objProxy</font><font color="#007700">-></font><font color="#0000bb">setUrl</font><font color="#007700">(</font><font color="#0000bb">$strUrl</font><font color="#007700">);
<br></font><font color="#0000bb">$objProxy</font><font color="#007700">-></font><font color="#0000bb">setRefer</font><font color="#007700">(</font><font color="#0000bb">$strRef</font><font color="#007700">);
<br></font><font color="#ff8000">//错误输出
<br></font><font color="#007700">if(</font><font color="#0000bb">$objProxy</font><font color="#007700">-></font><font color="#0000bb">getError</font><font color="#007700">()) {
<br>    die(</font><font color="#0000bb">$objProxy</font><font color="#007700">-></font><font color="#0000bb">getError</font><font color="#007700">(</font><font color="#0000bb">PP_ERROR_MESSAGE</font><font color="#007700">));
<br>}
<br>
<br></font><font color="#ff8000">//echo url for download
<br></font><font color="#007700">if(${</font><font color="#0000bb">$strGetArrayName</font><font color="#007700">}[</font><font color="#dd0000">'act'</font><font color="#007700">]==</font><font color="#dd0000">'make'</font><font color="#007700">) {
<br>    die(</font><font color="#dd0000">"</font></font><center><h4 id="a-href-lt-font-gt-lt-font-color-gt-lt-font-gt-lt-font-color-bb-gt-objProxy-lt-font-gt-lt-font-color-gt-gt-lt-font-gt-lt-font-color-bb-gt-getProxyUrl-lt-font-gt-lt-font-color-gt-lt-font-gt-lt-font-color-dd-gt-点击此处通过-PhpProxy-下载文件-a"><a href="%22</font><font%20color=%22#007700%22>.</font><font%20color=%22#0000bb%22>%24objProxy</font><font%20color=%22#007700%22>-></font><font%20color=%22#0000bb%22>getProxyUrl</font><font%20color=%22#007700%22>().</font><font%20color=%22#dd0000%22>%22">点击此处通过 PhpProxy 下载文件</a></h4></center>"<font color="#007700">);
<br>}
<br></font><font color="#ff8000">//取文件
<br></font><font color="#0000bb">$objProxy</font><font color="#007700">-></font><font color="#0000bb">proxy</font><font color="#007700">();
<br></font><font color="#ff8000">//错误处理
<br></font><font color="#007700">if(</font><font color="#0000bb">$objProxy</font><font color="#007700">-></font><font color="#0000bb">getError</font><font color="#007700">()) {
<br>    die(</font><font color="#0000bb">$objProxy</font><font color="#007700">-></font><font color="#0000bb">getError</font><font color="#007700">(</font><font color="#0000bb">PP_ERROR_MESSAGE</font><font color="#007700">));
<br>}
<br></font><font color="#0000bb">?>
<br></font></code>

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PHP Tips: Quickly Implement Return to Previous Page Function Mar 09, 2024 am 08:21 AM

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In today's software development field, Golang (Go language), as an efficient, concise and highly concurrency programming language, is increasingly favored by developers. Its rich standard library and efficient concurrency features make it a high-profile choice in the field of game development. This article will explore how to use Golang for game development and demonstrate its powerful possibilities through specific code examples. 1. Golang’s advantages in game development. As a statically typed language, Golang is used in building large-scale game systems.

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