如何更改下面的代码,以便我只回显每个唯一的“$ course”一次?
例如。目前我的结果看起来像 =
ipswich-11:00-running ipswich-12:00-flamingo rider ipswich-14:00-lightning norwich-13:10-ed is back norwich-14:05-redrum norwich-17:05-pickle
但我希望它们看起来像 =
伊普斯维奇
11:00-跑步 12:00-火烈鸟骑手 14:00-闪电
诺里奇
13:10-ed 回来了 14:05-redrum 17:05-pickle
我想过在 for each 循环中做一个 mysqli 查询,但肯定有更好的方法吗?
我的代码 =
<?php //connection block
if ($mysqli->connect_error) {die('Connect Error: ' . $mysqli->connect_error);}
$today = date("Ymd");
$query = "SELECT horse, course, time, date FROM dailytips WHERE date = $today ORDER BY course, time";
$result = $mysqli->query($query);
$today_uk = " " . date("d/m/y");
while($row = $result->fetch_array())
{ $rows[] = $row; }
echo "<h2>tips for" .$today_uk. "</h2>";
foreach($rows as $row)
{
$date = $row['date'];
$date = date("d/m/y", strtotime($date));
$horse = $row['horse'];
$time = $row['time'];
$course = $row['course'];
echo
'<div style= "width:600px; font-family:verdana;">
<div style="float:left; width:400px; margin-bottom:10px; margin-top10px;">
'.$row['course']. "-" .$row['time'] . "-" . $row['horse'] .'
</div>' ;
}
$result->close();
$mysqli->close();
?>