cURL also automates the process of posting data with HTTP

<?php
$ch 
curl_init ('http://www.playboy.com/new_member.cgi');
curl_setopt ($chCURLOPT_POSTFIELDS
             array (
'firstname' => 'Andrei',
                    
'lastname' => 'Zmievski'));
curl_exec ($ch);
curl_close ($ch);
?>