Send email using PHP Swift mailer

swift_mailer_example.php

<?php

 require_once '/path/to/vendor/autoload.php';

$host = env('MAIL_HOST');
$user = env('MAIL_USERNAME');
$port = env('MAIL_PORT');

$password = env('MAIL_PASSWORD');
$security = env('MAIL_ENCRYPTION');

// Create the Transport
$transport = (new Swift_SmtpTransport($host, $port, $security))
                    ->setUsername($user)
                    ->setPassword($password)
                ;

// Create the Mailer using your created Transport
$mailer = new Swift_Mailer($transport);

// mail content body
$body = '<b>Hello</b> Here is the message itself';

// Create attachment
$attach1 = Swift_Attachment::fromPath('screen_shot.jpg');

// create attachement 2
$content = file_get_contents('./storage/uploads/sample.pdf');
$attach2 = new Swift_Attachment($content, 'attachment-file-name.pdf');

// Create a message
$message = (new Swift_Message('Wonderful Subject'))
                    ->setFrom(['noreply@example.org' => 'John Doe'])
                    ->setReplyTo('reply@example.org', 'Reply To')
                    ->setTo(['receiver@domain.org', 'other@domain.org' => 'A name'])
                    ->setBody($body, 'text/html')
                    ->attach($attach1)
                    ->attach($attach2)
                ;

// Send the message
$result = $mailer->send($message);

// result is The number of successful recipients. Can be 0 which indicates failure
if ($result === 0) {
  die("error occured!");
}