php : how to get any website content online php trick code

<?

$sUrl = 'http://www.linktopage.com/login/';
    $params = array('http' => array(
    'method' => 'POST',
'content' => 'username=admin195&password=d123456789'
));

$ctx = stream_context_create($params);
$fp = @fopen($sUrl, 'rb', false, $ctx);
if (!$fp)
{
throw new Ex......................
.................................
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