help with php form

Hi all. This form worked fine when I just needed the first name and email validated. I now need first name, last name and email validated. Please help. PHP code attached.
<?php
if(isset($_POST['email'])) {
	
	// EDIT THE 2 LINES BELOW AS REQUIRED
	$email_to = "me@myemail.com";
	$email_subject = "Test";
		
	function died($error) {
		// your error code can go here
		echo "We are very sorry, but there were error(s) found with the form your submitted. ";
		echo "These errors appear below.<br /><br />";
		echo $error."<br /><br />";
		echo "Please go back and fix these errors.<br /><br />";
		die();
	}
	
	// validation expected data exists
	if(!isset($_POST['firstName']) ||
		!isset($_POST['email'])) {
		died('We are sorry, but there appears to be a problem with the form your submitted.');		
	}
	
	$firstName = $_POST['firstName']; // required
	$lastName = $_POST['lastName']; // required
	$email_from = $_POST['email']; // required
	$company = $_POST['company']; // required
	$phone = $_POST['phone']; // required
	$source = $_REQUEST['source'];
		
	
	$email_message = "Form details below.\n\n";
	
	function clean_string($string) {
	  $bad = array("content-type","bcc:","to:","cc:","href");
	  return str_replace($bad,"",$string);
	}
	
	$email_message .= "First Name: ".clean_string($firstName)."\n";
	$email_message .= "Last Name: ".clean_string($lastName)."\n";
	$email_message .= "Email: ".clean_string($email_from)."\n";
	$email_message .= "Company: ".clean_string($company)."\n";
	$email_message .= "Phone: ".clean_string($phone)."\n";
	$email_message .= "Source: ".clean_string($source)."\n";
		
	
// create email headers
$headers = 'From: '.$email_from."\r\n".
'Reply-To: '.$email_from."\r\n" .
'X-Mailer: PHP/' . phpversion();
@mail($email_to, $email_subject, $email_message, $headers);  
      header("Location: thanks.html");
}
?>

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tekgrlAsked:
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AriMcCommented:
Sorry, forgot one OR operator, here's a corrected version:

// validation expected data exists
if(!isset($_POST['firstName']) || !isset($_POST['lastName']) ||
   !isset($_POST['email'])) {
   died('We are sorry, but there appears to be a problem with the form your submitted.');            
      }
0
 
AriMcCommented:
If by validation you mean you need to check it is set, like you do for the first name and e-mail, then this could be what you are looking for:

// validation expected data exists
if(!isset($_POST['firstName']) || !isset($_POST['lastName'])
   !isset($_POST['email'])) {
   died('We are sorry, but there appears to be a problem with the form your submitted.');            
      }

0
 
tekgrlAuthor Commented:
That's it! Thanks.
0
 
tekgrlAuthor Commented:
Beautiful. Thanks!
0
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