当站点成员的帖子数达到 100 的倍数时,我需要提醒他们。当 mysql 表中的值达到 100、200、300 等时,是否可以运行函数或回显某些内容?
表结构:
username | password | email | posts
我目前正在显示他们的帖子计数:
$sql = mysql_query("SELECT `posts` FROM `user` WHERE username='$username'") or die(mysql_error());
$row = mysql_fetch_array($sql);
echo "<br /><h4>Your posts:</h4>" . " " . $row['posts'];
已解决:我同意Marc 提出的使用模数的建议,这符合我的需要。
$sql = mysql_query("SELECT `posts` AS posts FROM `user` WHERE username='$username'") or die(mysql_error());
$row = mysql_fetch_array($sql);
$post = $row['posts'];
if($post % 100 == 0) {
mysql_query("INSERT INTO `posts` (name, message, message_raw) VALUES ('System', '$name has reached $post posts!', '$name has reached $post posts!')");
}