<?php
function update_historay($sent_id, $user_id, $text, $landmark)
{
    # 更新historay
    PDO_Connect("" . _FILE_DB_USER_SENTENCE_HISTORAY_);
    $query = "INSERT INTO sent_historay (sent_id,  user_id,  text,  date, landmark) VALUES (? , ? , ? , ? , ? )";
    $stmt = PDO_Execute($query,
        array($sent_id,
            $user_id,
            $text,
            mTime(),
            $landmark,
        ));
    if (!$stmt || ($stmt && $stmt->errorCode() != 0)) {
        /*  识别错误  */
        $error = PDO_ErrorInfo();
        return $error[2];
    } else {
        #没错误
        return "";
    }
}