PHP发送POST请求

2. /**
3. * 发送post请求
4. * @param string $url 请求地址
5. * @param array $post_data post键值对数据
6. * @return string
7. */
8. function send_post($url, $post_data) {
10. $postdata = http_build_query($post_data);
11. $options = array(
12. 'http' => array(
13. 'method' => 'POST',
14. 'header' => 'Content-type:application/x-www-form-urlencoded',
15. 'content' => $postdata,
16. 'timeout' => 15 * 60 // 超时时间（单位:s）
17. )
18. );
19. $context = stream_context_create($options);
20. $result = file_get_contents($url, false, $context);
22. return $result;
23. }
25. //使用方法
26. $post_data = array(
27. 'username' => 'stclair2201',
28. 'password' => 'handan'
29. );
30. send_post('http://www.qianyunlai.com', $post_data);
36. /**
37. * Socket版本
38. * 使用方法：
39. * $post_string = "app=socket&version=beta";
40. * request_by_socket('chajia8.com', '/restServer.php', $post_string);
41. */
42. function request_by_socket($remote_server,$remote_path,$post_string,$port = 80,$timeout = 30) {
43. $socket = fsockopen($remote_server, $port, $errno, $errstr, $timeout);
44. if (!$socket) die("$errstr($errno)");
45. fwrite($socket, "POST $remote_path HTTP/1.0");
46. fwrite($socket, "User-Agent: Socket Example");
47. fwrite($socket, "HOST: $remote_server");
48. fwrite($socket, "Content-type: application/x-www-form-urlencoded");
49. fwrite($socket, "Content-length: " . （strlen($post_string) + 8） . "");
50. fwrite($socket, "Accept:*/*");
51. fwrite($socket, "");
52. fwrite($socket, "mypost=$post_string");
53. fwrite($socket, "");
54. $header = "";
55. while ($str = trim(fgets($socket, 4096))) {
56. $header .= $str;
57. }
59. $data = "";
60. while (!feof($socket)) {
61. $data .= fgets($socket, 4096);
62. }
64. return $data;
65. }
66. ?>
69. /**
70. * Curl版本
71. * 使用方法：
72. * $post_string = "app=request&version=beta";
73. * request_by_curl('http://www.qianyunlai.com/restServer.php', $post_string);
74. */
75. function request_by_curl($remote_server, $post_string) {
76. $ch = curl_init();
77. curl_setopt($ch, CURLOPT_URL, $remote_server);
78. curl_setopt($ch, CURLOPT_POSTFIELDS, 'mypost=' . $post_string);
79. curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
80. curl_setopt($ch, CURLOPT_USERAGENT, "qianyunlai.com's CURL Example beta");
81. $data = curl_exec($ch);
82. curl_close($ch);
84. return $data;
85. }
86. ?>

原文地址：http://blog.sjzycxx.cn/post/435/

以上就介绍了PHP发送POST请求，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。