PHP 실시간 채팅 시스템의 데이터 통계 및 사용자 행동 분석

// 获取所有用户的活跃程度
$query = "SELECT COUNT(*) as active_users FROM users WHERE last_active > DATE_SUB(NOW(), INTERVAL 1 HOUR)";
$result = mysqli_query($con, $query);
$row = mysqli_fetch_assoc($result);
$active_users = $row['active_users'];

// 输出活跃用户数
echo "当前活跃用户数：" . $active_users;

// 统计每个用户的消息发送量
$query = "SELECT user_id, COUNT(*) as message_count FROM messages GROUP BY user_id";
$result = mysqli_query($con, $query);

// 输出每个用户的消息发送量
while ($row = mysqli_fetch_assoc($result)) {
    echo "用户ID：" . $row['user_id'] . "，消息发送量：" . $row['message_count'] . "<br>";
}

// 统计每个聊天室的消息数量
$query = "SELECT room_id, COUNT(*) as message_count FROM messages GROUP BY room_id";
$result = mysqli_query($con, $query);

// 输出每个聊天室的消息数量
while ($row = mysqli_fetch_assoc($result)) {
    echo "聊天室ID：" . $row['room_id'] . "，消息数量：" . $row['message_count'] . "<br>";
}

// 统计用户登录次数
$query = "SELECT user_id, COUNT(*) as login_count FROM login_logs GROUP BY user_id";
$result = mysqli_query($con, $query);

// 输出每个用户的登录次数
while ($row = mysqli_fetch_assoc($result)) {
    echo "用户ID：" . $row['user_id'] . "，登录次数：" . $row['login_count'] . "<br>";
}

// 统计每个用户的在线时长
$query = "SELECT user_id, SUM(online_duration) as total_duration FROM user_logs GROUP BY user_id";
$result = mysqli_query($con, $query);

// 输出每个用户的在线时长
while ($row = mysqli_fetch_assoc($result)) {
    echo "用户ID：" . $row['user_id'] . "，在线时长：" . secondsToTime($row['total_duration']) . "<br>";
}

// 将秒转换为时分秒格式
function secondsToTime($seconds) {
    $hours = floor($seconds / 3600);
    $minutes = floor(($seconds / 60) % 60);
    $seconds = $seconds % 60;
    return $hours . "小时" . $minutes . "分钟" . $seconds . "秒";
}

// 统计用户发送最多的表情符号
$query = "SELECT user_id, emoji, COUNT(*) as emoji_count FROM messages GROUP BY user_id, emoji ORDER BY COUNT(*) DESC";
$result = mysqli_query($con, $query);

// 输出每个用户发送最多的表情符号
while ($row = mysqli_fetch_assoc($result)) {
    echo "用户ID：" . $row['user_id'] . "，最多发送表情：" . $row['emoji'] . "，发送次数：" . $row['emoji_count'] . "<br>";
}