PHP encapsulated HttpClient Class Usage Example _php tutorial

Examples of httpclient class usages in PHP encapsulation

The examples in this article describe the HttpClient class for PHP encapsulation. Share to everyone for your reference. The specific analysis is as follows:

This is a PHP encapsulated HttpClient class that enables simple functions such as Get POST Cookie session. Originally done, these two days re-modified a bit.

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/* * Filename:httpclient.php * Created on 2012-12-21 * Created by Robintang * To change the template for this generated file go to * Window-preferences-phpeclipse-php-code Templates */ Class Sincookie { Public $name; Cookie Name Public $value; Cookie value The following three properties are not implemented now Public $expires; Expiry time public $path; Path Public $domain; Domain Create a cookie object from a cookie string function __construct ($s = false) { if ($s) { $i 1 = strpos ($s, ' = '); $i 2 = Strpos ($s, '; '); $this->name = Trim (substr ($s, 0, $i 1)); $this->value = Trim (substr ($s, $i 1 +1, $i 2-$i 1-1)); } } Gets the cookie key value pair function Getkeyvalue () { Return "$this->name= $this->value"; } } Session context Class Sinhttpcontext { Public $cookies; Session cookies Public $referer; Previous page address function __construct () { $this->cookies = Array (); $this->refrer = ""; } Set cookies function Cookie ($key, $val) { $ck = new Sincookie (); $ck->name = $key; $ck->value = $val; $this->addcookie ($CK); } Add a cookie function Addcookie ($ck) { $this->cookies[$ck->name] = $ck; } Get a cookie string and use it when requested function cookiesstring () { $res = "; foreach ($this->cookies as $ck) { $res. = $ck->getkeyvalue (). ';'; } return $res; } } HTTP Request Object Class Sinhttprequest { public $url; Request Address Public $method = ' GET '; Request method Public $host; Host public $path; Path Public $scheme; Protocol, HTTP Public $port; Port Public $header; Request Header Public $body; Request Body Set Header function SetHeader ($k, $v) { if (!isset ($this->header)) { $this->header = Array (); } $this->header[$k] = $v; } Get request string Include header and request body Write the socket directly after you get it. function reqstring () { $matches = Parse_url ($this->url); !isset ($matches [' Host ']) && $matches [' host '] = '; !isset ($matches [' path ']) && $matches [' path '] = '; !isset ($matches [' query ']) && $matches [' query '] = '; !isset ($matches [' Port ']) && $matches [' port '] = '; $host = $matches [' Host ']; $path = $matches [' Path ']? $matches [' Path ']. ($matches [' query ']? '?' . $matches [' query ']: '): '/'; $port =!empty ($matches [' Port '])? $matches [' Port ']: 80; $scheme = $matches [' scheme ']? $matches [' scheme ']: ' http '; $this->host = $host; $this->path = $path; $this->scheme = $scheme; $this->port = $port; $method = Strtoupper ($this->method); $res = "$method $path http/1.1\r\n"; $res. = "Host: $host \ r \ n"; if ($this->header) { Reset ($this->header); while (list ($k, $v) = each ($this->header)) { if (Isset ($v) && strlen ($v) > 0) $res. = "$k: $v \ r \ n"; } } $res. = "\ r \ n"; if ($this->body) { $res. = $this->body; $res. = "\r\n\r\n"; } return $res; } } HTTP response Class Sinhttpresponse { Public $scheme; Agreement Public $stasus; State, when success is OK Public $code; Status code, 200 when it's successful. Public $header; Response header Public $body; Response body function __construct () { $this->header = Array (); $this->body = null; } function SetHeader ($key, $val) { $this->header[$key] = $val; } } HttpClient Class Sinhttpclient { Public $keepcontext = true; Whether to maintain the session Public $context; Context Public $request; Request Public $response; Response Public $debug = false; Whether in debug mode, True to print out the requested content and the same header function __construct () { $this->request = new Sinhttprequest (); $this->response = new Sinhttpresponse (); $this->context = new Sinhttpcontext (); $this->timeout = 15; The default timeout is 15s } Clears the last Request content function Clearrequest () { $this->request->body = "; $this->request->setheader (' Content-length ', false); $this->request->setheader (' Content-type ', false); } Post method Data for the request Simulate form submission for key-value pairs Other times for data submission, submitted in the form of XML If you have other needs, please expand your own Function post ($url, $data = False) { $this->clearrequest (); if ($data) { if (Is_array ($data)) { $con = Http_build_query ($data); $this->request->setheader (' Content-type ', ' application/x-www-form-urlencoded '); } else { $con = $data; $this->request->setheader (' Content-type ', ' text/xml; Charset=utf-8 '); } $this->request->body = $con; $this->request->method = "POST"; $this->request->setheader (' Content-length ', strlen ($con)); } $this->startrequest ($url); } Get method function Get ($url) { $this->clearrequest (); $this->request->method = "GET"; $this->startrequest ($url); } The method is called internally, without calling directly function Startrequest ($url) { $this->request->url = $url; if ($this->keepcontext) { If you save the context, set the relevant information $this->request->setheader (' Referer ', $this->context->refrer); $cks = $this->context->cookiesstring (); if (strlen ($cks) > 0) $this->request->setheader (' Cookie ', $cks); } Get Request Content $reqstring = $this->request->reqstring (); if ($this->debug) echo "request:\n$reqstring\n"; try { $fp = Fsockopen ($this->request->host, $this->request->port, $errno, $errstr, $this->timeout); } catch (Exception $ex) { echo $ex->getmessage (); Exit (0); } if ($fp) { Stream_set_blocking ($fp, true); Stream_set_timeout ($fp, $this->timeout); Write Data Fwrite ($fp, $reqstring); $status = Stream_get_meta_data ($FP); if (! $status [' timed_out ']) {//Not timed out The following loop is used to read the response header while (!feof ($fp)) { $h = fgets ($FP); if ($this->debug) Echo $h; if ($h && ($h = = "\ n" | | $h = = "\ n")) Break $pos = Strpos ($h, ': '); if ($pos) { $k = Strtolower (Trim (substr ($h, 0, $pos)); $v = Trim (substr ($h, $pos + 1)); if ($k = = ' Set-cookie ') { Update cookies if ($this->keepcontext) { $this->context->addcookie (New Sincookie ($v)); } } else { Add to the head inside $this->response->setheader ($k, $v); } } else { First row of data Parsing the response status $preg = '/^ (\s*) (\s*) (. *) $/'; Preg_match_all ($preg, $h, $arr); Isset ($arr [1][0]) & $this->response->scheme = Trim ($arr [1][0]); Isset ($arr [2][0]) & $this->response->stasus = Trim ($arr [2][0]); Isset ($arr [3][0]) & $this->response->code = Trim ($arr [3][0]); } } Get Response Body length $len = (int) $this->response->header[' content-length ']; $res = "; The following loop reads the body while (!feof ($fp) && $len > 0) { $c = Fread ($fp, $len); $res. = $c; $len-= strlen ($c); } $this->response->body = $res; } Close socket Fclose ($FP); Save the return to the context maintenance $this->context->refrer = $url; } } } Demo Now let begin test it $client = new Sinhttpclient (); Create a client $client->get (' http://www.baidu.com/'); Get Echo $client->response->body; Echo ?>

I hope this article is helpful to everyone's PHP programming.

http://www.bkjia.com/PHPjc/1017843.html www.bkjia.com true http://www.bkjia.com/PHPjc/1017843.html techarticle Examples of httpclient class usages in PHP encapsulation describe the HttpClient class in PHP encapsulation. Share to everyone for your reference. The specific analysis is as follows: This is a PHP package HttpClient class, ...

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