Send an email in PHP

mail.php

<?php
    $to  ="[email protected]";
    $subject = "PHP Mail Test";
    $message = "This is a PHP mail test";
    $headers = 'From: [email protected]' . "\r\n" .
    'Reply-To: [email protected]' . "\r\n" .
    'X-Mailer: PHP/' . phpversion();
    
    $success = mail($to ,$subject ,$message, $headers);
    print("mail sending result:" + $success);
?>