subject: Block title. * - $content: Block content. * - $block->module: Module that generated the block. * - $block->delta: An ID for the block, unique within each module. * - $block->region: The block region embedding the current block. * - $classes: String of classes that can be used to style contextually through * CSS. It can be manipulated through the variable $classes_array from * preprocess functions. The default values can be one or more of the * following: * - block: The current template type, i.e., "theming hook". * - block-[module]: The module generating the block. For example, the user * module is responsible for handling the default user navigation block. In * that case the class would be 'block-user'. * - $title_prefix (array): An array containing additional output populated by * modules, intended to be displayed in front of the main title tag that * appears in the template. * - $title_suffix (array): An array containing additional output populated by * modules, intended to be displayed after the main title tag that appears in * the template. * * Helper variables: * - $classes_array: Array of html class attribute values. It is flattened * into a string within the variable $classes. * - $block_zebra: Outputs 'odd' and 'even' dependent on each block region. * - $zebra: Same output as $block_zebra but independent of any block region. * - $block_id: Counter dependent on each block region. * - $id: Same output as $block_id but independent of any block region. * - $is_front: Flags true when presented in the front page. * - $logged_in: Flags true when the current user is a logged-in member. * - $is_admin: Flags true when the current user is an administrator. * - $block_html_id: A valid HTML ID and guaranteed unique. * * @see template_preprocess() * @see template_preprocess_block() * @see template_process() * * @ingroup themeable */ ?>
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