I retrieve multiple rows from one table and I display them in a table like image in -> Click here for view the image <-
In the database, "status" value is set as "pending" so I want to choose several student and change the "status" to "approved" and then make one update that updates every row that i checked.
This is my code for the image above...
<?php
include("connection.php");
echo "<table border='1'><tr>
<td><strong>Student ID</strong></td>
<td><strong>Student Name</strong></td>
<td><strong>Kelompok</strong></td>
<td><strong>Block</strong></td>
<td><strong>Level</strong></td>
<td><strong>House</strong></td>
<td><strong>Status</strong></td>
</tr>";
$i=0;
while ($ww=mysqli_fetch_array($query))
{
if ($i%2==0)
$class="evenRow";
else
$class="oddRow";
$id=$ww[0];
$studentid=$ww[1];
$name=$ww[2];
$kelompok=$ww[8];
$block=$ww[9];
$level=$ww[10];
$house=$ww[11];
$status=$ww[14];
echo "<tr>
<input type=hidden name=applyid[] value=".$id."/>
<td>$studentid</td>
<td>$name</td>
<td>$kelompok</td>
<td>$block</a></td>
<td>$level</td>
<td>$house</td>
<td>
<input type=checkbox name=status[] value=".$id."approved checked> APPROVED <br>
</td>
</tr>";
}
$i++;
echo "</table>";
?>
<br>
<a href="officerapplicationupdate.php?applyID=<?php echo $id; ?>"><input type="submit" value="Update"></a>
</form>
<br><br>
</table>
and this is the code for updating the row..
<?php
include("connection.php");
if(isset($_POST["submit"]) && $_POST["submit"]!="") {
$idCount = count($_POST["status"]);
for($i=0;$i<$idCount;$i++) {
mysqli_query("UPDATE application SET apply_status='".$_POST["status"][$i]."'
WHERE apply_id='".$_POST["applyid"]."'");
}
}
?>
You can prepare your statement and execute it afterwards. This can be done like this:
$in = array();
if(isset($_POST["submit"]) && $_POST["submit"]!="") {
$idCount = count($_POST["status"]);
for($i=0;$i<$idCount;$i++) {
$in[] .= $_POST["applyid"][$i];
}
}
mysqli_query("UPDATE application SET apply_status='approved' WHERE apply_id IN '".implode(",",$in)."'");
So only one query is needed.
You can also sum up the changes for other apply_status.
Be aware to check the input comming from webpage to prevent SQL injection!
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