Post data & show source code - php

Question

I have question, is it possible to first post data to a site and then get the source code of the site I was posting the data to?
I tried with this:
$html = file_get_contents('http://test.com/test.php?test=test');
But the ?test=test is $_GET....
So yeah, I hope someone can help me! :) Thanks in advance (Sorry for bad english!).

Answer 1

You can use 3rd parameter of this function: context
$postdata = http_build_query(
array(
'var1' => 'some content',
'var2' => 'doh'
)
);
$opts = array(
'http' => array(
'method' => "POST",
'header' => "Connection: close\r\n".
"Content-Length: ".strlen($postdata)."\r\n",
'content' => $postdata
)
);
$context = stream_context_create($opts);
$result = file_get_contents('http://example.com/submit.php', false, $context);
// edit -little bug should be:
$opts = array(
'http' => array(
'method' => "POST",
'header' => "Connection: close\r\n".
"Content-type: application/x-www-form-urlencoded\r\n".
"Content-Length: ".strlen($postdata)."\r\n",
'content' => $postdata
)
);

Answer 2

You can not get the source, but you can get the page/output as it is provided by the server. As you mention file_get_contents(), you can use it to send a POST-request, but it would look something like this.
// Create map with request parameters
$params = array ('surname' => 'Filip', 'lastname' => 'Czaja');
// Build Http query using params
$query = http_build_query ($params);
// Create Http context details
$contextData = array (
'method' => 'POST',
'header' => "Connection: close\r\n".
"Content-Length: ".strlen($query)."\r\n",
'content'=> $query );
// Create context resource for our request
$context = stream_context_create (array ( 'http' => $contextData ));
// Read page rendered as result of your POST request
$result = file_get_contents (
'http://www.sample-post-page.com', // page url
false,
$context);
// Server response is now stored in $result variable so you can process it
Example from: http://fczaja.blogspot.se/2011/07/php-how-to-send-post-request-with.html