Disable form mail if spambot fills hidden field

mail/contact_me.php

@@ -20,13 +20,16 @@
 $phone = $_POST['phone'];
 $message = $_POST['message'];
 
-
-// Create the email and send the message
-$to = 'yourname@yourdomain.com'; // Add your email address inbetween the '' replacing yourname@yourdomain.com - This is where the form will send a message to.
-$email_subject = "Website Contact Form:  $name";
-$email_body = "You have received a new message from your website contact form.\n\n"."Here are the details:\n\nName: $name\n\nEmail: $email_address\n\nPhone: $phone\n\nMessage:\n$message";
-$headers = "From: noreply@yourdomain.com\n"; // This is the email address the generated message will be from. We recommend using something like noreply@yourdomain.com.
-$headers .= "Reply-To: $email_address";
-mail($to,$email_subject,$email_body,$headers);
-return true;
+if (empty($_POST['_gotcha'])) { // If hidden field was filled out (by spambots) don't send!
+    // Create the email and send the message
+    $to = 'yourname@yourdomain.com'; // Add your email address inbetween the '' replacing yourname@yourdomain.com - This is where the form will send a message to.
+    $email_subject = "Website Contact Form:  $name";
+    $email_body = "You have received a new message from your website contact form.\n\n"."Here are the details:\n\nName: $name\n\nEmail: $email_address\n\nPhone: $phone\n\nMessage:\n$message";
+    $headers = "From: noreply@yourdomain.com\n"; // This is the email address the generated message will be from. We recommend using something like noreply@yourdomain.com.
+    $headers .= "Reply-To: $email_address";
+    mail($to,$email_subject,$email_body,$headers);
+    return true;
+}
+echo "Gotcha, spambot!";
+return false;
 ?>