function convert_aff_links( $_body, $_aff_id = 'i7z1' )
{
$_body = preg_replace
(
'@://(w+\.)?(playasia|play-asia)\.com/?([^/a-zA-Z])@',
'://
www.play-asia.com/SOap-23-' . '83-' . $_aff_id . '-50-00.html$3',
$_body
);
$_body = preg_replace
(
'/paOS-(\d{2})/',
'SOap-23-' . '83-' . $_aff_id . '-50-$1',
$_body
);
return $_body;
}