test

<?php
if($_POST)
{
    print_r($_POST);
die();
}
$postdata = http_build_query(
    array(
        'var1' => 'some content',
        'var2' => 'doh'
    )
);

$opts = array('http' =>
    array(
        'method'  => 'POST',
        'header'  => 'Content-type: application/x-www-form-urlencoded',
        'content' => $postdata
    )
);

$context  = stream_context_create($opts);
$url="http://".$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'];
$result = file_get_contents($url, false, $context);

print_r($result);