Check if php mail function is enabled

<?php 
$headers = 'From: admin@example.com' . "\r\n" . 'Reply-To: admin@example.com' . "\r\n" . 'X-Mailer: PHP/' . phpversion();
$to  = 'info@example.com';
$subject = 'Email Subject';
$text = 'Test email body';
if (mail($to, $subject, $text, $headers)) {
echo "Test php mail sent successfully";
} else {
echo"Message delivery failed";
}
?>