send test email using PHP mail function

mail-function

<?php 
$to = "test@example.com";

$subject = "test";

$body = "Body of your message here you can use HTML too. e.g. <br> <b> Bold </b>";

$headers = "From: Peter\r\n";
$headers .= "Reply-To: noreply@example.com\r\n";
$headers .= "Return-Path: noreply@example.com\r\n";
$headers .= "X-Mailer: PHP5\n";
$headers .= 'MIME-Version: 1.0' . "\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";

mail($to,$subject,$body,$headers);