$parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
$profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
if(! can_write_wall($a,$profile_uid)) {
$parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
$profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
if(! can_write_wall($a,$profile_uid)) {