如何從MySQL $row[id]
和$row[timestamp]
中獲取id和時間戳記結果,並對結果進行排序並獲取具有最新匹配時間戳的id數組? 所以,如果我的MySQL數據庫中有這個數據,如何對MySQL結果進行排序,然後獲取PHP中最新的10個日期時間的標識
3,2015-08-24 10:38:31
,34,2015-08-24 10:38:16
,8,2015-08-24 10:38:51
我會爲了從最新到最舊的時間戳,最終落得一個數組,該ID的的。
8,3,34
這裏是我的代碼省略信息。
$servername = "IP:PORT";
$username = "USERNAME";
$password = "PASSWORD";
$dbname = "DB";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection to the database failed. Please try again. Error: " . $conn >connect_error);
}
$sql = "SELECT id, timestamp FROM posts ORDER BY timestamp DESC LIMIT 1,10;";
$result = $conn->query($sql);
$arrays = array();
if ($result->num_rows > 0) {
while($row = $result->fetch_assoc()) {
$arrays[] = $row[id];
}
}
foreach ($arrays as $key => $id) {
$servername = "IP:PORT";
$username = "USERNAME";
$password = "PASSWORD";
$dbname = "DB";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection to the database failed. Please try again. Error: " . $conn->connect_error);
}
$sql = "SELECT name,timestamp,text FROM posts WHERE id=\"" . $id . "\";";
$result = $conn->query($sql);
$arrays = array();
if ($result->num_rows > 0) {
while($row = $result->fetch_assoc()) {
$date = date_create_from_format('Y-m-d H:i:s',$row[timestamp]);
$timezone = new DateTimeZone('America/Los_Angeles');
$timedate = date_timezone_set($date, $timezone);
$finaltimedate = $timedate->format('Y-m-d h:i:s A');
echo "<hr><h4>" . $row[name] . "<span style=\"float:right\">Time Posted: " . $finaltimedate . "</span></h4><br>";
echo $row[text] . "<br>";
}
}
}
然而,當我重新加載該頁面,它只是顯示了相同的,ID = 0,博客文章而不是發佈0和4(僅2個)的2。
34將是最古老的,不是最新的,等 – Drew
這是一個'由dtColumn遞減限制10' – Drew
你可以嘗試改善這一問題的格式選擇等等,從tablexxx秩序等等? – Strawberry