Question

我正在构建一个php通知系统（有点像facebook的）。

它按原样运作，以我想要的方式列出所有事件。但是我想让它明白，如果它在同一个帖子上有3个以上的事件，它会将这些事件加入到一个通知中。

现在看起来像这样：

User 1 wrote on article-x
User 2 wrote on article-x
user 3 wrote on article-x
user 1 wrote on article-y

相反，我希望它像这样打印：

user 1 and  2 others wrote on article-x

试图阅读我需要做的事情，但没有运气。任何指针都非常感激。它被这样查询：

使用完整代码进行编辑

$sesname = $_SESSION['user_name'];
$sesid = $_SESSION['full_name'];
$dbh = new PDO("mysql:host=$hostname;dbname=$db", $username, $password);
$stmt = $dbh->prepare("select * from comments WHERE full_name = '$sesid' and checked ='1' ");
$stmt->bindParam(':full_name', $safe_name, PDO::PARAM_INT, 5);

$stmt->execute();
$result = $stmt -> fetchAll();
foreach( $result as $row ) {
$name = $row['name'];
$pid = $row['pid'];
$commentid = $row['id'];
$fullink = $row['fullink'];
$datetime = $row['dt'];

if ($name == $sesname){
} else {
echo "<div id='commentnote'><a href='http://{$fullink}'>{$name}</a>kommenterte ditt <a href='{$fullink}'>blogginnlegg</a><br><div class='updentry' style='color: red ! important; cursor: pointer; margin-top: -35px; position: absolute; right: 8px;'>x</div></div>";
}

}

尝试使用你的答案，但没有运气。谢谢你回答，我非常感谢:)

Answer 1

将文章转换为多维数组怎么样？（举个例子，结构不是最优的，因为我不知道你有什么数据需要。）

if(count($post['comments']) >= 3) {
   echo $post['user'][0] ."and". (count($post['comments'])-1). " others wrote on ..";
} else {
   //Just one 
}

Answer 2

也许你可以像这样创建一个二维数组：

Array
(
    [article-x] => Array
                   (
                       [0] => User1
                       [1] => User2
                   )
    [article-y] => Array
                   (
                       [0] => User1
                   )
)

Answer 3

如果您想在PHP中执行此操作，请执行以下操作：

$events = array();
foreach( $result as $row ) {
    if( isset($events[$row['article']) ){
        $events[$row['article']]['counter']++;
    }else{
        $row['counter'] = 0;
        $events[$row['article']] = $row;
    }
}

foreach( $events as $event ){
    echo "<div id='commentnote'>{$event['user']}".($event['counter']?' and '.$event['counter'].' others':'')." wrote on {$event['article']}</div>";
}

php加入类似的结果

3 个答案: