Probier mal das
PHP-Code:
if ($schnittstelle['anfragen_user'] != 0){
$s_verbrauch = mysql_num_rows(db_query("SELECT * FROM ".$db_prefix."_schnittstelle_anfragen WHERE uid='".$_SESSION['uid']."' and zeit='".$tag."'"));
}
$a_free= mysql_fetch_array(db_query("SELECT a_free AS free FROM ".$db_prefix."_userdaten WHERE uid=".$_SESSION['uid']));