putting information nt working - php

Question

I have a "racing" website where I am recording racers results, but I am trying to enter their results in all at once. shown below is the code

Answer 1

Your problem is that you believe when you have multiple <input name="" /> you think that creates a array $_POST[], that is not true...
while ($row = mysql_fetch_assoc($result))
{
$reID = $row['reID'];
$racerID = $row['racerID'];
echo "<tr>";
echo "<td>$reID<input type='hidden' name='reID' value='$reID'>";
echo "<td>$racerID<input type='hidden' name='racerID' value='$racerID'>";
echo"<td><input type='text' name='rank'>";
echo"<td><input type='text' name='timetaken'>";
}
you are over writing the reID, racerID, rank, and time taken every time it is printed out... by default it takes the last one.
what you could do to solve this is:
$count = 0;
while ($row = mysql_fetch_assoc($result))
{
$count++;
$reID = $row['reID'];
$racerID = $row['racerID'];
echo "<tr>";
echo "<td>$reID<input type='hidden' name='reID$count' value='$reID'>";
echo "<td>$racerID<input type='hidden' name='racerID$count' value='$racerID'>";
echo"<td><input type='text' name='rank$count'>";
echo"<td><input type='text' name='timetaken$count'>";
}
echo "<input type='hidden' name='count' value='$count' />";
That way each value is unique...
Then instead of this:
$rank=$_POST['rank'];
$timetaken=$_POST['timetaken'];
$reID=$_POST['reID'];
$racerID=$_POST['racerID'];
$count_racerID= count($_POST['racerID']);
do this
$count = $_POST['count'];
for($i=1; $i<=$count; $i++){
$rank[] = $_POST['rank'.$i];
$timetaken[] = $_POST['timetaken'.$i];
$reID[] = $_POST['reID'.$i];
$racerID[] = $_POST['racerID'.$i];
}
$count_racerID = $count;
now you have arrays!
For your SQL statement...
$sql = mysql_query("INSERT INTO RaceResults (rank, timetaken, reID, racerID) VALUES ('$rank', '$timetaken', '$reID', '$racerID')");
should be
$sql = mysql_query("INSERT INTO RaceResults (rank, timetaken, reID, racerID) VALUES ('$_rank', '$_timetaken', '$_reID', '$_racerID')");
The final product should be something like this:
The input form:
$reID = $_GET['reID'];
$result = mysql_query("SELECT * FROM RaceEventRacer WHERE reID = $reID");
$count = 0;
while ($row = mysql_fetch_assoc($result))
{
$count++;
$reID = $row['reID'];
$racerID = $row['racerID'];
echo "<tr>";
echo "<td>$reID<input type='hidden' name='reID$count' value='$reID'>";
echo "<td>$racerID<input type='hidden' name='racerID$count' value='$racerID'>";
echo"<td><input type='text' name='rank$count'>";
echo"<td><input type='text' name='timetaken$count'>";
}
echo "<input type='hidden' name='count' value='$count' />";
and the SQL should be:
$count = $_POST['count'];
for($i=1; $i<=$count; $i++){
$rank[] = $_POST['rank'.$i];
$timetaken[] = $_POST['timetaken'.$i];
$reID[] = $_POST['reID'.$i];
$racerID[] = $_POST['racerID'.$i];
}
$count_racerID = $count;
for($i=0;$i<$count_racerID;$i++){
$_rank= mysql_escape_string($rank[$i]);
$_timetaken= mysql_escape_string($timetaken[$i]);
$_reID= mysql_escape_string($reID[$i]);
$_racerID= mysql_escape_string($racerID[$i]);
$sql = mysql_query("INSERT INTO RaceResults (rank, timetaken, reID, racerID) VALUES ('$_rank', '$_timetaken', '$_reID', '$_racerID')");
$result = mysql_query($sql);
}