E-mail

<?php

// If the submit button has been pressed
if(isset($_POST['submit']))
{

	// Check for an e-mail address
	if(empty($_POST['email']))
	{
		$error['email'] = 'You forgot to type in an e-mail address'; 
	}

	// Check for a subject
	if(empty($_POST['subject']))
	{
		$error['subject'] = 'You forgot to type in a subject'; 
	}

	// Check for a message
	if(empty($_POST['message']))
	{
		$error['message'] = 'You forgot to type in a message'; 
	}

	// If there are no errors, send the email
	// If there are errors, display them to the user
	if(sizeof($error) == 0)
	{

		// Let's send the message (to, subject, message, from)
		// Change address@host.com to your own e-mail address
		mail('address@host.com', stripslashes($_POST['subject']), stripslashes($_POST['message']), "From: {$_POST['email']}");

		// Create confirmation message
		echo 'Your e-mail has been sent!';

	} else {

		// Display error messages
		foreach($error as $value)
		{
			echo "<span style=\"color: #990000\">{$value}</span><br />"; 
		}

	}
}

?>

<!-- E-mail Form -->
<form method="post" action="email.php">
	<label for="email">Your e-mail address:</label><br />
	<input name="email" type="text" value="<?php echo $_POST['email']; ?>" /><br /><br />
	<label for="subject">Subject:</label><br />
	<input name="subject" type="text" value="<?php echo stripslashes($_POST['subject']); ?>" /><br /><br />
	<label for="message">Message:</label><br />
	<textarea name="message" rows="8" cols="30"><?php echo stripslashes($_POST['message']); ?></textarea><br /><br />
	<input name="submit" type="submit" value="Send Message" />
</form>