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How do I submit a single form from multiple forms on the same page.


imgrooot
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I am creating a user inbox system. I am retrieving all the unread messages. Each message row contains a "reply" form. So say I have 10 messages showing on a single page. That's 10 forms.

What I would like to know is how can I submit any one of the 10 forms and not have it affect the remaining 9 forms?

Here is the basic code.

if(isset($_POST['submit'])) {
  $post_message = trim($_POST['message']);

  $errors      =  array();
  $db->beginTransaction();

  if(empty($post_message)) {
    $errors[] = 'The message field can not be empty!';
  }

  if(empty($errors)) {
    $db->commit();
    
    echo 'success';

  } else {
    $db->rollBack();
  }
}
<form action="" method="post">
  <fieldset>
    <textarea name="message" maxlength="10000" placeholder="What would you like to say?"></textarea>
  </fieldset>
  <fieldset>
    <input type="submit" name="submit" value="Submit" />
  </fieldset>
</form>

 

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As Kicken says.....

Just remember that any modifications you make to fields in form A will be lost if the user submits form B.  Those inputs (from the A form) will not be sent to the server as part of the submit normally.  Nor should they be.  

Of course - each of your multiple forms should have the very same field 'names' so that your logic will handle each form properly.

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Got it. 

Here is the updated form. It seems to work fine.

// Message ID being an ID of individual message rows retrived from the DB.
$message_id

if(isset($_POST['submit']) AND $_POST['message-id'] == $message_id) {
  $post_message = trim($_POST['message']);

  $errors      =  array();
  $db->beginTransaction();

  if(empty($post_message)) {
    $errors[] = 'The message field can not be empty!';
  } else {
	// ADD CODE HERE
  }

  if(empty($errors)) {
    $db->commit();
    
    echo 'success';

  } else {
    $db->rollBack();
  }
}
<form action="" method="post">
  <fieldset>
    <textarea name="message" maxlength="10000" placeholder="What would you like to say?"></textarea>
  </fieldset>
  <fieldset>
    <input type="hidden" name="message-id" value="<?php echo $message_id; ?>" />
    <input type="submit" name="submit" value="Submit" />
  </fieldset>
</form>

 

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