private function SWIFTMailSystem::getApplicableCharset in Swift Mailer 7

Returns the applicable charset.

Parameters

array $message: The message for which the applicable charset is to be determined.

Return value

string A string being the applicable charset.

1 call to SWIFTMailSystem::getApplicableCharset()

SWIFTMailSystem::mail in includes/classes/SWIFTMailSystem.inc

Sends a message composed by drupal_mail().

File

includes/classes/SWIFTMailSystem.inc, line 521

The implementation of MailSystemInterface which delegates handling of e-mails to the Swift Mailer library.

Class

SWIFTMailSystem

@file The implementation of MailSystemInterface which delegates handling of e-mails to the Swift Mailer library.

Code

private function getApplicableCharset($message) {

  // Get the configured default format.
  $default_charset = variable_get('swiftmailer_character_set', SWIFTMAILER_VARIABLE_CHARACTER_SET_DEFAULT);

  // Get whether the provided format is to be respected.
  $respect_charset = variable_get('swiftmailer_respect_format', SWIFTMAILER_VARIABLE_RESPECT_FORMAT_DEFAULT);

  // Check if a format has been provided particularly for this message. If
  // that is the case, then apply that format instead of the default format.
  $applicable_charset = !empty($message['params']['charset']) ? $message['params']['charset'] : $default_charset;

  // Check if the provided format is to be respected, and if a format has been
  // set through the header "Content-Type". If that is the case, the apply the
  // format provided. This will override any format which may have been set
  // through $message['params']['format'].
  if ($respect_charset && !empty($message['headers']['Content-Type'])) {
    $format = $message['headers']['Content-Type'];
    $format = preg_match('/charset.*=.*\\;/U', $format, $matches);
    if ($format > 0) {
      $applicable_charset = trim(substr($matches[0], 0, -1));
      $applicable_charset = preg_replace('/charset=/', '', $applicable_charset);
    }
    else {
      $applicable_charset = $default_charset;
    }
  }
  return $applicable_charset;
}