<?php

/**
 * This example shows settings to use when sending via Google's Gmail servers.
 * This uses traditional id & password authentication - look at the gmail_xoauth.phps
 * example to see how to use XOAUTH2.
 * The IMAP section shows how to save this message to the 'Sent Mail' folder using IMAP commands.
 */

//Import PHPMailer classes into the global namespace
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;

require '../vendor/autoload.php';

//Create a new PHPMailer instance
$mail = new PHPMailer();

//Tell PHPMailer to use SMTP
$mail->isSMTP();

//Enable SMTP debugging
//SMTP::DEBUG_OFF = off (for production use)
//SMTP::DEBUG_CLIENT = client messages
//SMTP::DEBUG_SERVER = client and server messages
$mail->SMTPDebug = SMTP::DEBUG_SERVER;

//Set the hostname of the mail server
$mail->Host = 'smtp.gmail.com';
//Use `$mail->Host = gethostbyname('smtp.gmail.com');`
//if your network does not support SMTP over IPv6,
//though this may cause issues with TLS

//Set the SMTP port number:
// - 465 for SMTP with implicit TLS, a.k.a. RFC8314 SMTPS or
// - 587 for SMTP+STARTTLS
$mail->Port = 465;

//Set the encryption mechanism to use:
// - SMTPS (implicit TLS on port 465) or
// - STARTTLS (explicit TLS on port 587)
$mail->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS;

//Whether to use SMTP authentication
$mail->SMTPAuth = true;

//Username to use for SMTP authentication - use full email address for gmail
$mail->Username = 'username@gmail.com';

//Password to use for SMTP authentication
$mail->Password = 'yourpassword';

//Set who the message is to be sent from
//Note that with gmail you can only use your account address (same as `Username`)
//or predefined aliases that you have configured within your account.
//Do not use user-submitted addresses in here
$mail->setFrom('from@example.com', 'First Last');

//Set an alternative reply-to address
//This is a good place to put user-submitted addresses
$mail->addReplyTo('replyto@example.com', 'First Last');

//Set who the message is to be sent to
$mail->addAddress('whoto@example.com', 'John Doe');

//Set the subject line
$mail->Subject = 'PHPMailer GMail SMTP test';

//Read an HTML message body from an external file, convert referenced images to embedded,
//convert HTML into a basic plain-text alternative body
$mail->msgHTML(file_get_contents('contents.html'), __DIR__);

//Replace the plain text body with one created manually
$mail->AltBody = 'This is a plain-text message body';

//Attach an image file
$mail->addAttachment('images/phpmailer_mini.png');

//send the message, check for errors
if (!$mail->send()) {
    echo 'Mailer Error: ' . $mail->ErrorInfo;
} else {
    echo 'Message sent!';
    //Section 2: IMAP
    //Uncomment these to save your message in the 'Sent Mail' folder.
    #save_mail($mail->getSentMIMEMessage());
}

//Section 2: IMAP
//This example uses the directorytree/imapengine IMAP library: https://imapengine.com
//Earlier versions of this code used the deprecated PHP imap_* functions.
function save_mail($message)
{
    $mailbox = new \DirectoryTree\ImapEngine\Mailbox([
        'host' => 'imap.gmail.com',
        'port' => 993,
        'encryption' => 'ssl',
        'username' => 'user@example.com',
        'password' => 'password',
    ]);

    // Find the "sent" messages folder – yours may have a different name.
    $folder = $mailbox->folders()->find('Sent Mail');

    $folder->messages()->append($message);
}