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/Drupal 8

public function MailManager::getInstance

public MailManager::getInstance(array $options)

Overrides PluginManagerBase::getInstance().

Returns an instance of the mail plugin to use for a given message ID.

The selection of a particular implementation is controlled via the config 'system.mail.interface', which is a keyed array. The default implementation is the mail plugin whose ID is the value of 'default' key. A more specific match first to key and then to module will be used in preference to the default. To specify a different plugin for all mail sent by one module, set the plugin ID as the value for the key corresponding to the module name. To specify a plugin for a particular message sent by one module, set the plugin ID as the value for the array key that is the message ID, which is "${module}_${key}".

For example to debug all mail sent by the user module by logging it to a file, you might set the variable as something like:

array(
  'default' => 'php_mail',
  'user' => 'devel_mail_log',
);

Finally, a different system can be specified for a specific message ID (see the $key param), such as one of the keys used by the contact module:

array(
  'default' => 'php_mail',
  'user' => 'devel_mail_log',
  'contact_page_autoreply' => 'null_mail',
);

Other possible uses for system include a mail-sending plugin that actually sends (or duplicates) each message to SMS, Twitter, instant message, etc, or a plugin that queues up a large number of messages for more efficient bulk sending or for sending via a remote gateway so as to reduce the load on the local server.

Parameters

array $options: An array with the following key/value pairs:

  • module: (string) The module name which was used by \Drupal\Core\Mail\MailManagerInterface->mail() to invoke hook_mail().
  • key: (string) A key to identify the email sent. The final message ID is a string represented as {$module}_{$key}.

Return value

\Drupal\Core\Mail\MailInterface A mail plugin instance.

Throws

\Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException

Overrides PluginManagerBase::getInstance

File

core/lib/Drupal/Core/Mail/MailManager.php, line 126

Class

MailManager
Provides a Mail plugin manager.

Namespace

Drupal\Core\Mail

Code

public function getInstance(array $options) {
  $module = $options['module'];
  $key = $options['key'];
  $message_id = $module . '_' . $key;

  $configuration = $this->configFactory->get('system.mail')->get('interface');

  // Look for overrides for the default mail plugin, starting from the most
  // specific message_id, and falling back to the module name.
  if (isset($configuration[$message_id])) {
    $plugin_id = $configuration[$message_id];
  }
  elseif (isset($configuration[$module])) {
    $plugin_id = $configuration[$module];
  }
  else {
    $plugin_id = $configuration['default'];
  }

  if (empty($this->instances[$plugin_id])) {
    $this->instances[$plugin_id] = $this->createInstance($plugin_id);
  }
  return $this->instances[$plugin_id];
}

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Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Mail!MailManager.php/function/MailManager::getInstance/8.1.x