Sample code for a Wordpress contact page which emails a form submission

contact-page.php

<?php
/* 
Template Name: Contact Page
*/
/**
 * The template for displaying the Contact page.
 *
 *
 * @package WordPress
 * @subpackage MyTemplate
 * @since MyTemplate 1.0
 */?>
 
 <?php
  if(isset($_POST['submitted'])) {
    if(trim($_POST['contactName']) === '') {
      $hasError = true;
    } else {
      $name = trim($_POST['contactName']);
    }

    if(trim($_POST['role-title']) === '') {
      $hasError = true;
    } else {
       $role = trim($_POST['role-title']);
    }
    
    if(trim($_POST['company']) === '') {
      $hasError = true;
    } else {
       $company = trim($_POST['company']);
    }
    
    if(trim($_POST['email']) === '')  {
      $hasError = true;
    } else {
      $email = trim($_POST['email']);
    }

    if(!isset($hasError)) {
      $sep = "\r\n"; 
      $to  ="[email protected]";
      $subject = "New enquiry";
      $body = "Name: " .$name .$sep 
              ."Role/title: " .$role .$sep 
              ."Company: " .$company .$sep 
              ."Email: " .$email .$sep .$sep
              ."This email was generated from http://" .$_SERVER['SERVER_NAME'] .$_SERVER['REQUEST_URI'];
      
      $headers = 'From: [email protected]' . "\r\n" .
      'Reply-To: [email protected]' . "\r\n" .
      'X-Mailer: PHP/' . phpversion();
      
      $success = mail($to ,$subject ,$body, $headers);
    }
  }
?>


<?php get_header(); ?>


<div class="content" id="wrapper">
  <?php if($success) { ?>
    <strong>Thank you for contacting us. A response will be sent to you soon.</strong><br>
  <?php }else{ ?>
  	<form action="<?php the_permalink() ?>" method="post">
      <input type="hidden" name="submitted" id="submitted" value="true" />
      <?php if($hasError) { ?>
          <strong>Please fill in all the required details and try again.</strong>
      <?php } ?>
      <label>Name:*</label>
      <input type="text" name="contactName" class="input" value="<?php echo($name) ?>"><br>
      <label>Role/title:*</label>
      <input type="text" name="role-title" class="input" value="<?php echo($role) ?>"><br>
      <label>Company:*</label>
      <input type="text" name="company"class="input" value="<?php echo($company) ?>"><br>
      <label>Email:*</label>
      <input type="text" name="email" class="input" value="<?php echo($email) ?>"><br>
      <input type="image" src="/images/register.jpg" class="button"><br>
    </form>
  <?php } ?>
</div>

<?php get_footer(); ?>