Problem with $_POST

[tmyonline]

Hi guys:  I can't figure this out.  Here's a snippet of my code:

 

...

while ($row = mysql_fetch_assoc($result)) {

    echo 'Sender: ' . $row['messSender'];

    $nameVar = $row['messTitle'] . $row['messTime'] . $row['contactID'];

    $nameVar = str_replace(" ", "_", $nameVar);

  ?>

    <form action="<?php $_SERVER['PHP_SELF']; ?>" method="post">

  <?php

    echo '<input type="submit" name="' . $nameVar . '"' . ' value="Reply" />';

    echo '</form>';

    echo nl2br($row['messBody']);

}

 

  if (isset($_POST[$nameVar])) {

    echo 'nameVar = ' . $nameVar;

  }

 

Basically, I'm reading information out from MySQL.  Currently, my database table contains only two records:  X & Y.  The problem I have is that when I click on "Reply" for record X, somehow, $_POST[$nameVar] for record X is not defined.  When I click on "Reply" for record Y, $_POST[$nameVar] for record Y is defined and display the output as expected.

 

I have examined the source code and the "name" attributes contain different $nameVar for each record.  So, $_POST[$nameVar] is supposed to be defined regardless of which "Reply" button I click.  However, it only works for Y and not for X.  Any ideas ?  Thanks.

[kenrbnsn]

Use a hidden value instead of the name of the submit button.

 

<?php
while ($row = mysql_fetch_assoc($result)) {
    echo 'Sender: ' . $row['messSender'];
    $nameVar = str_replace(' ','_',$row['messTitle'] . $row['messTime'] . $row['contactID']);
    echo '<form action="' . $_SERVER['PHP_SELF'] . '" method="post">';
    echo '<input type="hidden" name="nameVar" value="' . $nameVar . '" />';
    echo '<input type="submit" name="submit" value="Reply" />';
    echo '</form>';
    echo nl2br($row['messBody']);
}

  if (isset($_POST['submit'])) {
    echo 'nameVar = ' . $_POST['nameVar'];
  }
?>

 

Ken

[tmyonline]

but this code:

 

echo '<input type="hidden" name="nameVar" value="' . $nameVar . '" />';

 

would create an extra input field which is not necessary.  The purpose of my form is to contain only the "Reply" button and nothing else.  Users are not to enter anything.  Basically, the code that I have is going to display all the email messages (read out from the database), each message is associated with a "Reply" button.  So, if he/she wants to reply to message X, he/she will click on the "Reply" button of that particular message.  He/she will not enter anything.  Therefore, I don't see how I need that line of code above!

[wildteen88]

That field is not seen. Users wont be able to modify the fields contents. That is why the field type is set to to hidden.

[tmyonline]

It's not working!

[kenrbnsn]

It's not working!

 

This doesn't tell us much. Please explain.

 

Ken

[tmyonline]

I got it working.

 

Thanks Ken and everyone.