本文小编为大家详细介绍“php怎么实现http服务”，内容详细，步骤清晰，细节处理妥当，希望这篇“php怎么实现http服务”文章能帮助大家解决疑惑，下面跟着小编的思路慢慢深入，一起来学习新知识吧。
目录结构：
http_serv.php文件
<?php
classHttp{
private$host;
private$port;
private$_root;
public$mime_types=array(
'avi'=>'video/x-msvideo',
'bmp'=>'image/bmp',
'css'=>'text/css',
'doc'=>'application/msword',
'gif'=>'image/gif',
'htm'=>'text/html',
'html'=>'text/html',
'ico'=>'image/x-icon',
'jpe'=>'image/jpeg',
'jpeg'=>'image/jpeg',
'jpg'=>'image/jpeg',
'js'=>'application/x-javascript',
'mpeg'=>'video/mpeg',
'ogg'=>'application/ogg',
'png'=>'image/png',
'rtf'=>'text/rtf',
'rtx'=>'text/richtext',
'swf'=>'application/x-shockwave-flash',
'wav'=>'audio/x-wav',
'wbmp'=>'image/vnd.wap.wbmp',
'zip'=>'application/zip',
);
publicfunction__construct($host,$port,$_root){
$this->host=$host;
$this->port=$port;
$this->_root=$_root;
}
publicfunctionstart(){
//创建socket套接字
$socket=socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
//设置阻塞模式
socket_set_block($socket);
//为套接字绑定ip和端口
socket_bind($socket,$this->host,$this->port);
//监听socket
socket_listen($socket,4);
while(true)
{
//接收客户端请求
if(($msgsocket=socket_accept($socket))!==false){
//读取请求内容
$buf=socket_read($msgsocket,9024);
preg_match("/\/(.*)HTTP\/1\.1/",$buf,$matchs);
preg_match("/Accept:(.*?),/",$buf,$matchss);
//获取接收文件类型
$type=explode("/",$matchss[1])[0];
if($type=="text"){
$content=$this->GetString($matchs[1]);
}else{
$content=$this->GetImg($matchs[1]);
}
socket_write($msgsocket,$content,strlen($content));
socket_close($msgsocket);
}
}
}
publicfunctionGetHeaders($code,$status,$content="",$content_type="text/html;charset=utf-8"){
$header='';
$header.="HTTP/1.1{$code}{$status}\r\n";
$header.="Date:".gmdate('D,dMYH:i:sT')."\r\n";
$header.="Content-Type:{$content_type}\r\n";
$header.="Content-Length:".strlen($content)."\r\n\r\n";//必须2个\r\n表示头部信息结束
$header.=$content;
return$header;
}
publicfunctionGetString($url_path){
if($this->getRealPath($url_path)){
if(is_readable($this->getRealPath($url_path))){
return$this->GetHeaders(200,"OK",file_get_contents($this->getRealPath($url_path)),$this->getMime($url_path));
}else{
return$this->GetHeaders(401,"Unauthorized");
}
}else{
return$this->GetHeaders(404,"NotFound");
}
}
publicfunctionGetImg($url_path){
if($this->getRealPath($url_path)){
return$this->GetHeaders(200,"OK",file_get_contents($this->getRealPath($url_path)),$this->getMime($url_path));
}else{
return$this->GetHeaders(404,"NotFound");
}
}
publicfunctiongetMime($path){
$type=explode(".",$path);
$mime=$this->mime_types[$type[1]];
return$mime;
}
publicfunctiongetRealPath($url_path){
returnrealpath($this->_root."/".$url_path);
}
}
$server=newHttp("127.0.0.1",3046,"wwwroot");
$server->start();
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