Form sticky, reset, etc.

jperezmt · 04-09-2008, 08:16 PM

I'm going a little nuts over this.

I'm creating a form for people to enter comments. The issue I'm having is when someone clicks the submit button and a required field isn't filled out, all the fields reset.

I looked into sticky forms, and I finally got them not to reset, now the only problem I'm having is they after everything is submitted, the fields don't reset.

I just need a happy medium. If they miss a required field, keep the data intact, if they fill in everything, reset the form. I can't find an answer, someone please help. Thanks!

PHP Code:

  
if (isset($_POST['submit']) || isset($_POST['submit_x'])) {

 
    if($code != 4) { 

        $badform = 1;

    }

    if (trim($nickname) == '') {

        $badform = 1;

    }

    if (trim($comment) == '') {

        $badform = 1;

    }

 
    if (!get_magic_quotes_gpc()) 

        {

        $nickname = addslashes($_POST['nickname']);

        $comment = addslashes($_POST['comment']);

        $code = addslashes($_POST['code']);

        } 

        

    if ($badform != 1) {

        $query = "this is the query"; /* Quotes are important in this lines statment */

        $result = mysql_query($query) or die("sorry something went wrong"); 

        

    }

}

    <form action="<?php echo "blog.php?id=$id" ?>" method=post>

<?php 

            if(isset($_POST['submit']) || isset($_POST['submit_x']))  {

                if (trim($nickname) == '') {

                echo "<p class=\"error\">What do people call you?</p>";

                } 

            }

        ?>

          <input class="textinput" name="nickname" type="text" maxlength="12" value="<?php if (isset($_POST['nickname'])) echo $_POST['nickname']; ?>"  />

         <?php 

            if(isset($_POST['submit']) || isset($_POST['submit_x']))  {

                if (trim($comment) == '') {

                echo "<p class=\"error\">At least say something!</p>";

                }

            }

        ?>

          <textarea class="texta" rows="5" name="comment"><?php if (isset($_POST['comment'])) echo $_POST['comment']; ?></textarea>

        <?php

                if(isset($_POST['submit']) || isset($_POST['submit_x']))  

                {

                    if ($code != 4) {

                    echo "<p class=\"error\">Not everyone can figure this out...think about it.</p>";

                    }

                }

        ?>

          <input class="textinput" name="code" type="text" maxlength="1" />

            <input type="hidden" name="blogid" value="<?php echo "$id" ?>" />

            <input src="/images/addComment.gif" type="image" name="submit" value="Add Comment" alt="Add Comment" />

</form>

Aaron · 04-13-2008, 03:11 AM

It isn't really bad if the fields don't reset. It happens on a lot of sites, and is a lot less annoying than the fields actually resetting.

Without even reading your code, I can tell you to just put an if statement around the code that fills in the fields

PHP Code:

   if ($formsucess == 0)
{
  //Fill in the fields if the form had an error
}

littleBird · 04-14-2008, 01:47 PM

Alternatively, you could get into the habit of laying out all the different stages of the form processing clearly and distinctly so as to make your life a lot easier, especially for when your forms get more complex.

Another benefit of going with this altered structure is that you can use the same page for adding new records and updating existing ones.

Also, excuse me if I have totally gone over the top on the answer, my feeling is that bad form processing gives PHP a bad name, too many security problems et al.

Quote:

<?php

// Reset SESSION variables everytime
$_SESSION['id']['formvar'] = NULL;
$_SESSION['nickname']['formvar'] = NULL;
$_SESSION['comment']['formvar'] = NULL;
$_SESSION['code']['formvar'] = NULL;

$_SESSION['error'] = FALSE;
$_SESSION['id']['error'] = NULL;
$_SESSION['nickname']['error'] = NULL;
$_SESSION['comment']['error'] = NULL;
$_SESSION['code']['error'] = NULL;

// Check if valid Blog ID has been submitted - yes: UPDATE RECORD no:ADD RECORD
if (isSet($_GET['id']) || isSet($_POST['id'])) {
$_SESSION['id']['formvar'] = $_POST['id'];
$action = 'update';
$actionTitle = "Update Existing Record";
$path = $_SERVER['PHP_SELF']."?id=".$_GET['id'];

// Load data from existing record
$query = "SELECT * FROM table_name WHERE id='".$_SESSION['id']['formvar']."' LIMIT 1";
$result = mysql_query($query) or die("sorry something went wrong");
$data = mysql_fetch_array($result);
$_SESSION['nickname']['formvar'] = $data['nickname'];
$_SESSION['comment']['formvar'] = $data['comment'];
$_SESSION['code']['formvar'] = $data['code'];
}
else {
$action = 'add';
$actionTitle = "Add New Record";
$path = $_SERVER['PHP_SELF'];
}

// If form has bene submitted complete the following
if (isSet($_POST['submit'])) {

// ---------------------------------------------------------------------- IMPORT POST DATA
$_SESSION['nickname']['formvar'] = $_POST['nickname'];
$_SESSION['comment']['formvar'] = $_POST['comment'];
$_SESSION['code']['formvar'] = $_POST['code'];

// ---------------------------------------------------------------------- PERFORM DATA VALIDATION

// Check if valid Nickname has been submitted
if (trim ($_SESSION['nickname']['formvar'])== '') {
$_SESSION['nickname']['error'] = 'What do people call you?';
$_SESSION['error'] = TRUE;
}

// Check if valid Comment has been submitted
if (trim ($_SESSION['comment']['formvar'])== '') {
$_SESSION['comment']['error'] = 'At least say something!';
$_SESSION['error'] = TRUE;
}

// Check if valid Code has been submitted
if ($_SESSION['code']['formvar'] != -4) {
$_SESSION['code']['error'] = 'That code ain\'t no good';
$_SESSION['error'] = TRUE;
}

// ------------------------------------------------------------ End - DATA VALIDATION

// FORM PROCESSING
if (! $_SESSION['error']) {

$query = "SET nickname='".addslashes($_SESSION['nickname']['formvar']).", comment='".addslashes($_SESSION['comment']['formvar']);

if ($action == 'add') {
$query = "INSERT INTO table_name ".$query;
}
else {
$query = "UPDATE table_name ".$query." WHERE id='".$_SESSION['id']['formvar']."'";
}

$result = mysql_query($query) or die("sorry something went wrong");
}
}
// -------- End - FORM PROCESSING
?>

<html>
<head></head>
<body>

<form action="<?= $path; ?>" method=post>
<input type="hidden" name="id" value="<?= $_SESSION['id']['formvar']; ?>" />

<fieldset>
<legend><?= $actionTitle; ?></legend>
<p>
<label for="nickname">Nickname
<?php if (! empty($_SESSION['nickname']['error'])) { echo "<br><span class='error'>".$_SESSION['nickname']['error']."</span>"; } ?>
</label>
<input class="textinput" name="nickname" type="text" maxlength="12" value="<?= $_SESSION['nickname']['formvar']; ?>" />
</p>

<p>
<label for="comment">Comment
<?php if (! empty($_SESSION['comment']['error'])) { echo "<br><span class='error'>".$_SESSION['comment']['error']."</span>"; } ?>
</label>
<textarea class="texta" rows="5" name="comment"><?= $_SESSION['comment']['formvar']; ?></textarea>
</p>

<p>
<label for="comment">Code
<?php if (! empty($_SESSION['code']['error'])) { echo "<br><span class='error'>".$_SESSION['comment']['error']."</span>"; } ?>
</label>
<input class="textinput" name="code" type="text" maxlength="2" />
</p>

<input src="/images/addComment.gif" type="image" name="submit" value="Add Comment" alt="Add Comment" />
</fieldset>
</form>

</body>
</head>

04-09-2008, 08:16 PM	#1
jperezmt Junior Member Join Date: Apr 2007 Posts: 92	Form sticky, reset, etc. I'm going a little nuts over this. I'm creating a form for people to enter comments. The issue I'm having is when someone clicks the submit button and a required field isn't filled out, all the fields reset. I looked into sticky forms, and I finally got them not to reset, now the only problem I'm having is they after everything is submitted, the fields don't reset. I just need a happy medium. If they miss a required field, keep the data intact, if they fill in everything, reset the form. I can't find an answer, someone please help. Thanks! PHP Code: if (isset($_POST['submit']) \|\| isset($_POST['submit_x'])) { if($code != 4) { $badform = 1; } if (trim($nickname) == '') { $badform = 1; } if (trim($comment) == '') { $badform = 1; } if (!get_magic_quotes_gpc()) { $nickname = addslashes($_POST['nickname']); $comment = addslashes($_POST['comment']); $code = addslashes($_POST['code']); } if ($badform != 1) { $query = "this is the query"; /* Quotes are important in this lines statment / $result = mysql_query($query) or die("sorry something went wrong"); } } <form action="<?php echo "blog.php?id=$id" ?>" method=post> <?php if(isset($_POST['submit']) \|\| isset($_POST['submit_x'])) { if (trim($nickname) == '') { echo "<p class=\"error\">What do people call you?</p>"; } } ?> <input class="textinput" name="nickname" type="text" maxlength="12" value="<?php if (isset($_POST['nickname'])) echo $_POST['nickname']; ?>" /> <?php if(isset($_POST['submit']) \|\| isset($_POST['submit_x'])) { if (trim($comment) == '') { echo "<p class=\"error\">At least say something!</p>"; } } ?> <textarea class="texta" rows="5" name="comment"><?php if (isset($_POST['comment'])) echo $_POST['comment']; ?></textarea> <?php if(isset($_POST['submit']) \|\| isset($_POST['submit_x'])) { if ($code != 4) { echo "<p class=\"error\">Not everyone can figure this out...think about it.</p>"; } } ?> <input class="textinput" name="code" type="text" maxlength="1" /> <input type="hidden" name="blogid" value="<?php echo "$id" ?>" /> <input src="/images/addComment.gif" type="image" name="submit" value="Add Comment" alt="Add Comment" /> </form> __________________ Build Your Web Presence Last edited 04-09-2008 at 08:26 PM. Reason: adding code*

04-13-2008, 03:11 AM	#2
Aaron Smurf Join Date: Mar 2008 Posts: 20	Re: Form sticky, reset, etc. It isn't really bad if the fields don't reset. It happens on a lot of sites, and is a lot less annoying than the fields actually resetting. Without even reading your code, I can tell you to just put an if statement around the code that fills in the fields PHP Code: `if ($formsucess == 0) { //Fill in the fields if the form had an error }` __________________ A passion for learning and a motivation to share the knowledge you obtain will make you truly understand what font your site's text should be. Seriously, help me.

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