PHP -- Form Submit

<?php


// Check if the form has been submitted.
if (isset($_POST['submitted'])) {

	$errors = array(); // Initialize error array.
	
	// Check for a name.
	if (empty($_POST['name'])) {
		$errors[] = 'You forgot to enter your name.';
	}
	
	// Check for an email address.
	if (!eregi ('^[[:alnum:]][a-z0-9_\.\-]*@[a-z0-9\.\-]+\.[a-z]{2,4}$', stripslashes(trim($_POST['email'])))) {
		$errors[] = 'You forgot to enter a valid email address.';
	}

	// Check for a company.
	if (empty($_POST['company'])) {
		$errors[] = 'You forgot to enter your organisation/company.';
	}
	
	if (empty($errors)) { // If everything's okay.
	
		
		// Send an email.
		$body = "Thank you for Signing up to receive latest news and details";
		mail ($_POST['email'], 'e-newsletter confirmation!', $body, 'From: mymail@myurl.com');
		
		echo '<p>Thank you for Signing up to receive latest news and details</p><p><br /></p>';	
		
	} else { // Report the errors.
	
		echo '<strong>Error</strong>
		<p class="error">The following error(s) occurred:<br />';
		foreach ($errors as $msg) { // Print each error.
			echo " - $msg<br />\n";
		}
		echo '</p><p>Please click the back and try again.</p><p><br /></p>';
		
	} // End of if (empty($errors)) IF.

} else { // Display the form.
?>
Please Fill out the form below and click submit<br /><br />
<form action="enews.php" method="post">
	<p>Name: <input type="text" name="name" size="20" maxlength="40" /></p>
	<p>Email Address: <input type="text" name="email" size="20" maxlength="40" /> </p>
	<p>organisation/company: <input type="text" name="company" size="10" maxlength="20" /></p>
	<p><input type="submit" name="submit" value="Submit" /></p>
	<input type="hidden" name="submitted" value="TRUE" />
</form>
<?php
} // Close the main IF-ELSE.

?>