於表頭顯示行

Question

我有一個像

id  course  activities 

1  Microbiology  Quiz1 
2  Microbiology  Quiz2 
3  Microbiology  Quiz3 
4  Microbiology  Quiz4 

我需要的PHP文件中顯示爲表頭的表格

Quiz1 Quiz2 Quiz3 Quiz3 Quiz4 

這是我的代碼

<?php 
$sql = mysql_query('SELECT * FROM activity'); 
while($row = mysql_fetch($sql)) 
{ 
    $activities $row['activities']; 
} 
echo '<table> 
     <tr> 
     <th>'.$activities.'</th> 
     </tr> 
    </table>'; 
?> 

Answer 1

你只需要重新組織你的代碼：

<?php 
$sql = mysql_query('SELECT * FROM activity'); 

echo '<table><tr>'; 
while($row = mysql_fetch_array($sql)) 
{ 
    echo '<th>'.$row['activities'].'</th>'; 
} 
echo '</tr>'; 

//your data rows here 

echo '</table>'; 
?>