PHP socket sends HTTP request

<?php/** * Created by Phpstorm. * USER:MCH * DATE:7/8/18 * time:21:39@func:parse_urlhttp://www.tfjyzx.com/model-school.jsp?area=%e5%bc%80%e5%b0%81& amp;school=%e5%bc%80%e5%b0%81%e5%b8%82%e7%ac%ac%e4%ba%94%e4%b8%ad%e5%ad%a6#%e5%ad%a6%e6%a0%a1%e7%ae%80%e4%bb% 8Barray (5) {["Scheme"]=>string (4) "http" ["Host"]=>string "www.tfjyzx.com" ["Path"]=>string (17) "/ model-school.jsp "[" Query "]=>string (94)" Area=%e5%bc%80%e5%b0%81&school=%e5%bc%80%e5%b0%81%e5%b8%82%e7%ac %ac%e4%ba%94%e4%b8%ad%e5%ad%a6 "[" Fragment "]=>string"%e5%ad%a6%e6%a0%a1%e7%ae%80%e4%bb%8b "}*/interface    Proto {//Connection URL public Function conn ($url);    Send get query Public function get ();    Send post query Public function post (); Close connection Public function close ();}    Class Http implements Proto {Const CRLF = "\ r \ n";    Const BUFFSIZE = 1024;    protected $errno =-1;    protected $errstr = ";    protected $response = ";    protected $url = [];    protected $version = ' http/1.1 '; Protected$FH = null;    protected $line = [];    protected $header = [];    protected $body = [];        Public function __construct ($url) {$this->conn ($url);    $this->setheader (' Host: ' $this->url[' host ');        }//Post/student/login http/1.1 protected function Setline ($method) {$query = $this->url[' query ']; $this->line[0] = implode ("', [$method, $this->url[' path ']. ( Strlen ($query) >0? ‘?‘.    $query: "), $this->version]);    Public Function SetHeader ($headerline) {$this->header[] = $headerline;    Public Function Setbody ($body) {$this->body[] = http_build_query ($body);        }//Connection URL public Function conn ($url) {$this->url = Parse_url ($url);        if (!isset ($this->url[' Port ')) {$this->url[' port '] = 80;        } if (!isset ($this->url[' query ')) {$this->url[' query '] = '; } $this-&GT;FH = FsockopEn ($this->url[' host '), $this->url[' Port ', $this->errno, $this->errstr,        3/* Timeout 3s */);            if (! $this->fh) {echo "$this->errstr ($this->errno)";        return NULL;    } return $this->fh;        }//construct data for GET request public function get () {$this->setline (' get ');        $this->request ();    return $this->response; }//Construct data Public function post for post query ($body = [], $enctype = ' application/x-www-form-urlencoded ') {$this-&gt        ; Setline (' POST '); Content-type ' Multipart/form-data ' or ... $this->setheader (' Content-type: '. $enctype. ‘;        Charset=utf-8 ');        $this->setbody ($body);        $this->setheader (' content-length: '. strlen ($this->body[0]));        $this->request ();    return $this->response;    }//Close connection Public function close () {$this->fh && fclose ($this->fh); }//Real pleaseAsk for Private function request () {//Put the request line, header information, entity information in an array, easy to splice fwrite ($this->fh, implode (SELF::CRLF, arr Ay_merge ($this->line, $this->header, ["], $this->body, [        ‘‘] )));        Why is the loop slow for the 2nd time (assuming that the response length is <buffsize, i.e. 1 reads are done)?            while (!feof ($this->fh)) {$content = Fread ($this->fh, self::buffsize);            if (strlen ($content) <=0) {break;            } $this->response. = $content;        Echo $this->response; }}}//$url = "Http://www.tfjyzx.com/news/listTVProgram?area=%E8%AE%B8%E6%98%8C"; $url = "http://www.tfjyzx.com/ Student/login "; $http = new http ($url);//$resp = $http->get (); $http->setheader (' X-requested-with: XMLHttpRequest '); $http->setheader (' user-agent:mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) applewebkit/537.36 (khtml, like Gecko) chrome/67.0.3396.99 safari/537.36 ');//!important $.ajax () ContentType:' Application/json ' $http->setheader (' Accept:application/json, Text/javascript, */*; q=0.01 ');//' Username=  Mingzhanghui&pwd=123456&captcha=&count=1 ' $resp = $http->post ([' username ' = ' mingzhanghui ', ' pwd ') = ' 123456 ', ' captcha ', ' = ', ' + ', ' count ' = 1]); Var_dump ($http); $http->close (); Echo $resp;

　　

PHP socket sends HTTP request