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andriyun/drupal8-change-active-theme-programmatically.php

Last active November 22, 2022 19:56
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Revisions

  1. andriyun revised this gist Oct 11, 2018. No changes.
  2. andriyun created this gist Oct 11, 2018.
    24 changes: 24 additions & 0 deletions drupal8-change-active-theme-programmatically.php
    View file
    Original file line number Diff line number Diff line change
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    <?php
    /**
    * See original implementation http://cgit.drupalcode.org/mailsystem/tree/src/MailsystemManager.php#n60
    */
    // Switch the theme to the configured mail theme.
    $theme_manager = \Drupal::service('theme.manager');
    $mail_theme = '[your theme name]';
    $current_active_theme = $theme_manager->getActiveTheme();
    if ($mail_theme && $mail_theme != $current_active_theme->getName()) {
    $theme_initialization = \Drupal::service('theme.initialization');
    $theme_manager->setActiveTheme($theme_initialization->initTheme($mail_theme));
    }

    try {
    // Do your actions here.
    // .....
    }
    finally {
    // Revert the active theme, this is done inside a finally block so it is
    // executed even if an exception is thrown during sending a mail.
    if ($mail_theme != $current_active_theme->getName()) {
    $theme_manager->setActiveTheme($current_active_theme);
    }
    }