php 通过fsockopen 模拟POST提交

$URL
=‘
http
:
//xxx.xxx.xxx.xx/xx/xxx/top.php';
$post_data
[
'
clientname
'
]
=
"
test08
"
;
$post_data
[
'
clientpasswd
'
]
=
"
test08
"
;
$post_data
[
'
submit
'
]
=
"
ログイン
"
;
$referrer
=
""
;
// parsing the given URL
$URL_Info
=
parse_url
(
$URL
)
;
// Building referrer
if
(
$referrer
==
""
)

// if not given use this script as referrer
$referrer
=
$_SERVER
[
"
SCRIPT_URI
"
]
;
 
// making string from $data
foreach
(
$post_data

as

$key
=>
$value
)
$values
[]
=
"
$key
=
"
.
urlencode
(
$value
)
;
 
$data_string
=
implode
(
"
&
"
,
$values
)
;
// Find out which port is needed - if not given use standard (=80)
if
(
!
isset
(
$URL_Info
[
"
port
"
]))
$URL_Info
[
"
port
"
]
=
80
;
// building POST-request:
$request
.=
"
POST
"
.
$URL_Info
[
"
path
"
]
.
"
HTTP/1.1
\n
"
;
$request
.=
"
Host:
"
.
$URL_Info
[
"
host
"
]
.
"
\n
"
;
$request
.=
"
Referer:
$referrer
\n
"
;
$request
.=
"
Content-type: application/x-www-form-urlencoded
\n
"
;
$request
.=
"
Content-length:
"
.
strlen
(
$data_string
)
.
"
\n
"
;
$request
.=
"
Connection: close
\n
"
;
$request
.=
"
\n
"
;
$request
.=
$data_string
.
"
\n
"
;
$fp
=
fsockopen
(
$URL_Info
[
"
host
"
]
,
$URL_Info
[
"
port
"
])
;
fputs
(
$fp
,
$request
)
;
while
(
!
feof
(
$fp
))

{
    
$result
.=
fgets
(
$fp
,
128
)
;
}
fclose
(
$fp
)
;