function _color_preview_theme

1 color.module _color_preview_theme()

3 calls to _color_preview_theme()

color_css_alter in core/modules/color/color.module: Implements hook_css_alter().
color_custom_theme in core/modules/color/color.module: Implements hook_custom_theme().
color_url_outbound_alter in core/modules/color/color.module: Implements hook_url_outbound_alter().

File

core/modules/color/color.module, line 472: Allows users to change the color scheme of themes.

Code

function _color_preview_theme() {
  if (user_access('administer themes')) {
    if (isset($_GET['preview'])) {
      $themes = list_themes();
      if (in_array($_GET['preview'], array_keys($themes))) {
        return $_GET['preview'];
      }
    }
  }
  return '';
}