php发送post请求的三种方法

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									/**

									 * 发送post请求

									 * @param string $url 请求地址

									 * @param array $post_data post键值对数据

									 * @return string

									 */

									function send_post($url, $post_data) {

									  $postdata = http_build_query($post_data);

									  $options = array(

									    'http' => array(

									      'method' => 'POST',

									      'header' => 'Content-type:application/x-www-form-urlencoded',

									      'content' => $postdata,

									      'timeout' => 15 * 60 // 超时时间（单位:s）

									    )

									  );

									  $context = stream_context_create($options);

									  $result = file_get_contents($url, false, $context);

									  return $result;

									}

									//使用方法

									$post_data = array(

									  'username' => 'stclair2201',

									  'password' => 'handan'

									);

									send_post('https://www.zzvips.com', $post_data);

				?

									<?php

									/**

									 * Socket版本

									 * 使用方法：

									 * $post_string = "app=socket&version=beta";

									 * request_by_socket('chajia8.com', '/restServer.php', $post_string);

									 */

									function request_by_socket($remote_server,$remote_path,$post_string,$port = 80,$timeout = 30) {

									  $socket = fsockopen($remote_server, $port, $errno, $errstr, $timeout);

									  if (!$socket) die("$errstr($errno)");

									  fwrite($socket, "POST $remote_path HTTP/1.0");

									  fwrite($socket, "User-Agent: Socket Example");

									  fwrite($socket, "HOST: $remote_server");

									  fwrite($socket, "Content-type: application/x-www-form-urlencoded");

									  fwrite($socket, "Content-length: " . （strlen($post_string) + 8） . "");

									  fwrite($socket, "Accept:*/*");

									  fwrite($socket, "");

									  fwrite($socket, "mypost=$post_string");

									  fwrite($socket, "");

									  $header = "";

									  while ($str = trim(fgets($socket, 4096))) {

									    $header .= $str;

									  }

									  $data = "";

									  while (!feof($socket)) {

									    $data .= fgets($socket, 4096);

									  }

									  return $data;

									}

									?>

				?

									<?php

									/**

									 * Curl版本

									 * 使用方法：

									 * $post_string = "app=request&version=beta";

									 * request_by_curl('http://www.zzvips.com/restServer.php', $post_string);

									 */

									function request_by_curl($remote_server, $post_string) {

									  $ch = curl_init();

									  curl_setopt($ch, CURLOPT_URL, $remote_server);

									  curl_setopt($ch, CURLOPT_POSTFIELDS, 'mypost=' . $post_string);

									  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

									  curl_setopt($ch, CURLOPT_USERAGENT, "jb51.net's CURL Example beta");

									  $data = curl_exec($ch);

									  curl_close($ch);

									  return $data;

									}

									?>

				?

									class Request{

									  public static function post($url, $post_data = '', $timeout = 5){//curl

									    $ch = curl_init();

									    curl_setopt ($ch, CURLOPT_URL, $url);

									    curl_setopt ($ch, CURLOPT_POST, 1);

									    if($post_data != ''){

									      curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

									    }

									    curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); 

									    curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);

									    curl_setopt($ch, CURLOPT_HEADER, false);

									    $file_contents = curl_exec($ch);

									    curl_close($ch);

									    return $file_contents;

									  }

									  public static function post2($url, $data){//file_get_content

									    $postdata = http_build_query(

									      $data

									    );

									    $opts = array('http' =>

									           array(

									             'method' => 'POST',

									             'header' => 'Content-type: application/x-www-form-urlencoded',

									             'content' => $postdata

									           )

									    );

									    $context = stream_context_create($opts);

									    $result = file_get_contents($url, false, $context);

									    return $result;

									  }

									  public static function post3($host,$path,$query,$others=''){//fsocket

									    $post="POST $path HTTP/1.1\r\nHost: $host\r\n";

									    $post.="Content-type: application/x-www-form-";

									    $post.="urlencoded\r\n${others}";

									    $post.="User-Agent: Mozilla 4.0\r\nContent-length: ";

									    $post.=strlen($query)."\r\nConnection: close\r\n\r\n$query";

									    $h=fsockopen($host,80);

									    fwrite($h,$post);

									    for($a=0,$r='';!$a;){

									        $b=fread($h,8192);

									        $r.=$b;

									        $a=(($b=='')?1:0);

									      }

									    fclose($h);

									    return $r;

									  }

									}

php发送post请求的三种方法

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