how can id fix this error from this code
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<form method="POST">
<input type="email" name="email" placeholder="em ail" ><br><br>
<input type="submit" name="Delete" value="Delete">
</form>
</body>
</html>
<?php
require connection.php
$email;
$sqlDelete = "DELETE FROM `users` WHERE `email`= ' ".$email." ' ";
$result = mysql_query($co n, $sqlDelete);
if($result) {
echo ('Successfully Deleted');
}
else
{
echo('Not Delete Successfully');
}
?>
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<form method="POST">
<input type="email" name="email" placeholder="em ail" ><br><br>
<input type="submit" name="Delete" value="Delete">
</form>
</body>
</html>
<?php
require connection.php
$email;
$sqlDelete = "DELETE FROM `users` WHERE `email`= ' ".$email." ' ";
$result = mysql_query($co n, $sqlDelete);
if($result) {
echo ('Successfully Deleted');
}
else
{
echo('Not Delete Successfully');
}
?>