Ioncube> Notice: Undefined index

[sidxx55]

    foreach ($match[1] as $curr_var ) {
        if ($curr_var && !in_array($curr_var, array_keys($params)) && !in_array($curr_var, $allowed_funcs)) {
            $smarty->trigger_error("math: function call $curr_var not allowed");

Notice: Undefined index:  in C:\xcache54\Decompiler.class.php on line 2146

            return;
        }
    }

[Crypt Xor]

            foreach( $match[1] as $curr_var ) 
            {
                if( $curr_var && !in_array($curr_var, array_keys($params)) && !in_array($curr_var, $allowed_funcs) ) 
                {
                    $smarty->trigger_error("math: function call " . $curr_var . " not allowed");
                    return NULL;
                }

            }