PHP Mail Error :

<?php
$to = "abc@gmail.com";
$subject = "Welcome to PHP mail TEST";
$message = "Welcome to my MAIL, This is test mesage"
$headers = "From:xyz@gmail.com" ."/r/n".

'Reply-To: xyz@gmail.com'."/r/n".
'X-Maiiler: PHP/'. phpversion();
mail($to, $subject, $message, $headers);
?>

Error Message : Parse error: syntax error, unexpected '$headers' (T_VARIABLE) in C:\wamp\www\Got\mail.php on line 6

    @Weedpacket I just want o to clarify myself, what is mean 0, 1, 3 using inside the error_log() ?

    <?php
    // Send notification through the server log if we can not
    // connect to the database.
    if (!Ora_Logon($username, $password)) {
    error_log("Oracle database not available!", 0);
    }

    // Notify administrator by email if we run out of FOO
    if (!($foo = allocate_new_foo())) {
    error_log("Big trouble, we're all out of FOOs!", 1,
    "operator@example.com");
    }

    // another way to call error_log():
    error_log("You messed up!", 3, "/var/tmp/my-errors.log");
    ?>

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