public function Test::format in Mail System 8.4

Formats a message prior to sending.

Allows to preprocess, format, and postprocess a mail message before it is passed to the sending system. The message body is received as an array of lines that are either strings or objects implementing \Drupal\Component\Render\MarkupInterface. It must be converted to the format expected by mail() which is a single string that can be either plain text or HTML. In the HTML case an alternate plain-text version can be returned in $message['plain'].

The conversion process consists of the following steps:

If the output is HTML then convert any input line that is a string using \Drupal\Component\Utility\Html\Html::Escape().
If the output is plain text then convert any input line that is markup using \Drupal\Core\Mail\MailFormatHelper::htmlToText().
Join the input lines into a single string.
Wrap long lines using \Drupal\Core\Mail\MailFormatHelper::wrapMail().

Parameters

array $message: A message array, as described in hook_mail_alter().

Return value

array The formatted $message.

Overrides MailInterface::format

File

tests/src/Unit/AdapterTest.php, line 98

Class

Test: Provides a test plugin to send emails.

Namespace

Drupal\Tests\mailsystem\Unit

Code

public function format(array $message) {
  return [
    'subject' => self::TEST_SUBJECT,
    'body' => self::TEST_BODY,
    'headers' => [
      self::TEST_HEADER_NAME => self::TEST_HEADER_VALUE,
    ],
  ];
}

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