php模拟post提交数据,用处很多,可用来网站的采集,登陆等等

<?php

02

//
PHPPOST数据的三种方法

03

//
php有三种方法可以post数据,分别为Curl、socket、file_get_contents:

04

05

06

/**

07

*
Socket版本

08

*
使用方法：

09

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

10

*
request_by_socket('facebook.cn','/restServer.php',$post_string);

11

*/

12

function

request_by_socket(

$remote_server

,

$remote_path

,

$post_string

,

$port

=
80,

$timeout

=
30)

13

{

14

$socket

=

fsockopen

(

$remote_server

,

$port

,

$errno

,

$errstr

,

$timeout

);

15

if

(!

$socket

)

die

(

"$errstr($errno)"

);

16

17

fwrite(

$socket

,

"POST
$remote_pathHTTP/1.0\r\n"

);

18

fwrite(

$socket

,

"User-Agent:
SocketExample\r\n"

);

19

fwrite(

$socket

,

"HOST:
$remote_server\r\n"

);

20

fwrite(

$socket

,

"Content-type:
application/x-www-form-urlencoded\r\n"

);

21

fwrite(

$socket

,

"Content-length:
"

.
(

strlen

(

$post_string

)
+8).

'\r\n'

);

22

fwrite(

$socket

,

"Accept:*/*\r\n"

);

23

fwrite(

$socket

,

"\r\n"

);

24

fwrite(

$socket

,

"mypost=$post_string\r\n"

);

25

fwrite(

$socket

,

"\r\n"

);

26

$header

=

""

;

27

while

(

$str

=
trim(

fgets

(

$socket

,
4096))){

28

$header

.=

$str

;

29

}

30

$data

=

""

;

31

while

(!

feof

(

$socket

))
{

32

$data

.=

fgets

(

$socket

,
4096);

33

}

34

return

$data

;

35

}

36

37

38

39

/**

40

*
Curl版本

41

*
使用方法：

42

*

$post_string

=

"app=request&version=beta"

;

43

*
request_by_curl(

'http://facebook.cn/restServer.php'

,

$post_string

);

44

*/

45

function

request_by_curl(

$remote_server

,

$post_string

)

46

{

47

$ch

=
curl_init();

48

curl_setopt(

$ch

,
CURLOPT_URL,

$remote_server

);

49

curl_setopt(

$ch

,
CURLOPT_POSTFIELDS,

'mypost='

.

$post_string

);

50

curl_setopt(

$ch

,
CURLOPT_RETURNTRANSFER,true);

51

curl_setopt(

$ch

,
CURLOPT_USERAGENT,

"Jimmy's
CURLExamplebeta"

);

52

$data

=
curl_exec(

$ch

);

53

curl_close(

$ch

);

54

return

$data

;

55

}

56

57

58

/**

59

*
其它版本

60

*
使用方法：

61

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

62

*
request_by_other('http://facebook.cn/restServer.php',$post_string);

63

*/

64

function

request_by_other(

$remote_server

,

$post_string

)

65

{

66

$context

=

array

(

67

'http'

=>

array

(

68

'method'

=>

'POST'

,

69

'header'

=>

'Content-type:
application/x-www-form-urlencoded'

.

70

'\r\n'

.

'User-Agent
:Jimmy\'sPOSTExamplebeta'

.

71

'\r\n'

.

'Content-length:'

.

strlen

(

$post_string

)
+8,

72

'content'

=>

'mypost='

.

$post_string

)

73

);

74

$stream_context

=
stream_context_create(

$context

);

75

$data

=

file_get_contents

(

$remote_server

,
false,

$stream_context

);

76

return

$data

;

77

}

78

79

?>