Untitled

<?php
/*
Allows the user to both create new records and edit existing records
*/

// connect to the database
include('../configs.php');

// creates the new/edit record form
// since this form is used multiple times in this file, I have made it a function that is easily reusable
function renderForm($first = '', $second ='', $third ='', $fourth ='', $fifth ='', $last ='', $error = '', $id = '')
{ ?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>
<?php if ($id != '') { echo "Edit Record"; } else { echo "New Record"; } ?>
</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<h1><?php if ($id != '') { echo "Edit Record"; } else { echo "New Record"; } ?></h1>
<?php if ($error != '') {
echo "<div style='padding:4px; border:1px solid red; color:red'>" . $error
. "</div>";
} ?>

<form action="" method="post">
<div>
<?php if ($id != '') { ?>
<input type="hidden" name="id" value="<?php echo $id; ?>" />
<p>ID: <?php echo $id; ?></p>
<?php } ?>

<strong>Email: *</strong> <input type="text" name="email" value="<?php echo $first; ?>"/><br/>

<strong>bTag: *</strong> <input type="text" name="lastname" value="<?php echo $second; ?>"/><br/>

<strong>First Name: *</strong> <input type="text" name="lastname" value="<?php echo $third; ?>"/><br/>

<strong>Last Name: *</strong> <input type="text" name="lastname" value="<?php echo $fourth; ?>"/><br/>

<strong>Rank: *</strong> <input type="text" name="lastname" value="<?php echo $fifth; ?>"/><br/>

<strong>Avatar: *</strong> <input type="text" name="lastname" value="<?php echo $last; ?>"/>
<p>* required</p>
<input type="submit" name="submit" value="Submit" />
</div>
</form>
</body>
</html>

<?php }


/*

EDIT RECORD

*/
// if the 'id' variable is set in the URL, we know that we need to edit a record
if (isset($_GET['id']))
{
// if the form's submit button is clicked, we need to process the form
if (isset($_POST['submit']))
{
// make sure the 'id' in the URL is valid
if (is_numeric($_POST['id']))
{
// get variables from the URL/form
$id = $_POST['id'];
$emailTag = htmlentities($_POST['email'], ENT_QUOTES);
$bTag = htmlentities($_POST['bTag'], ENT_QUOTES);
$firstname = htmlentities($_POST['firstname'], ENT_QUOTES);
$lastname = htmlentities($_POST['lastname'], ENT_QUOTES);
$rankTag = htmlentities($_POST['rank'], ENT_QUOTES);
$avatar = htmlentities($_POST['avatar'], ENT_QUOTES);

// check that firstname and lastname are both not empty
if ($emailTag == '' || $bTag == '' || $firstname == '' || $lastname == '' || $rankTag == '' || $avatar == '')
{
// if they are empty, show an error message and display the form
$error = 'ERROR: Please fill in all required fields!';
renderForm($emailTag, $bTag, $firstname, $lastname, $rankTag, $avatar, $error, $id);
}
else
{
// if everything is fine, update the record in the database
if ($stmt = $aquaglz->prepare("UPDATE users SET email = ?, bTag = ?, firstname = ?, lastname = ?, rankTag = ?, avatar = ? WHERE uid=?"))
{
$stmt->bind_param("ssssisi", $emailTag, $bTag, $firstname, $lastname, $rankTag, $avatar, $id);
$stmt->execute();
$stmt->close();
}
// show an error message if the query has an error
else
{
echo "ERROR: could not prepare SQL statement.";
}

// redirect the user once the form is updated
header("Location: view.php");
}
}
// if the 'id' variable is not valid, show an error message
else
{
echo "Error!";
}
}
// if the form hasn't been submitted yet, get the info from the database and show the form
else
{
// make sure the 'id' value is valid
if (is_numeric($_GET['id']) && $_GET['id'] > 0)
{
// get 'id' from URL
$id = $_GET['id'];

// get the recod from the database
if($stmt = $aquaglz->prepare("SELECT uid, email, bTag, firstname, lastname, rank, avatar FROM users WHERE uid=?"))
{
$stmt->bind_param("i", $id);
$stmt->execute();

$stmt->bind_result($id, $emailTag, $bTag, $firstname, $lastname, $rankTag, $avatar);
$stmt->fetch();

// show the form
renderForm($emailTag, $bTag, $firstname, $lastname, $rankTag, $avatar, NULL, $id);

$stmt->close();
}
// show an error if the query has an error
else
{
echo "Error: could not prepare SQL statement";
}
}
// if the 'id' value is not valid, redirect the user back to the view.php page
else
{
header("Location: view.php");
}
}
}


/*

NEW RECORD

*/
// if the 'id' variable is not set in the URL, we must be creating a new record
else
{
// if the form's submit button is clicked, we need to process the form
if (isset($_POST['submit']))
{
// get the form data
$emailTag = htmlentities($_POST['email'], ENT_QUOTES);
$bTag = htmlentities($_POST['bTag'], ENT_QUOTES);

// check that firstname and lastname are both not empty
if ($emailTag == '' || $bTag == '' || $firstname == '' || $lastname == '' || $rankTag == '' || $avatar == '')
{
// if they are empty, show an error message and display the form
$error = 'ERROR: Please fill in all required fields!';
renderForm($emailTag, $bTag, $firstname, $lastname, $rankTag, $avatar, $error);
}
else
{
// insert the new record into the database
if ($stmt = $aquaglz->prepare("INSERT users (email, bTag, firstname, lastname, rank, avatar) VALUES (?, ?)"))
{
$stmt->bind_param("ssssis", $emailTag, $bTag, $firstname, $lastname, $rankTag, $avatar);
$stmt->execute();
$stmt->close();
}
// show an error if the query has an error
else
{
echo "ERROR: Could not prepare SQL statement.";
}

// redirec the user
header("Location: view.php");
}

}
// if the form hasn't been submitted yet, show the form
else
{
renderForm();
}
}

// close the mysqli connection
$aquaglz->close();
?>