Testing custom hook

add_filter( 'mycred_add',                        'm4d_mycred_limit_per_day',   10, 3 );
function m4d_mycred_limit_per_day( $reply, $request, $mycred ) {
    $reply              = TRUE;
    $max_points_per_day = 50;
    $uid_points_today   = 0;
    $uid                = $request['user_id'];

    $log = new myCRED_Query_Log( "user_id={$uid}&time=today" );


    if ( $log->have_entries() ) {
        foreach ( $log->results as $log_entry ) {
            $uid_points_today = $uid_points_today + $log_entry->creds;
        }
    }

    if ( $uid_points_today >= 50 ) {
        $mycred->add_to_log(
        $request['ref'],
        $request['user_id'],
        $request['amount'],
        'No points for [' . $request['ref'] . "] awarded since max daily points reached ($uid_points_today / $max_points_per_day)",
            $request['ref_id'],
            $request['data'],
            $request['type']
    );

        $reply = FALSE;
    } elseif ( $uid_points_today + $request['amount'] > $max_points_per_day ) {
        // Add just enough to hit max_points_per_day
        $request['amount'] = $max_points_per_day - $uid_points_today;

        $mycred->add_to_log(
        'max_points_reached',
        $request['user_id'],
        $request['amount'],
        'Adjusted points for [' . $request['ref'] . "] to {$request['amount']} so user would not exceed max daily points ($uid_points_today / $max_points_per_day)",
            $request['ref_id'],
            $request['data'],
            $request['type']
    );
    }


    return( $reply );
}