Drupal 7 Module Development: Module Block

espn_news.module

<?php

  /**
   * Implements hook_block_info().
   * 
   * Declares a block to provide to Drupal. This can also specify block
   * configuration settings, like here where the cache is determined be the
   * user role.
   *
   * @url: https://api.drupal.org/api/drupal/modules!block!block.api.php/function/hook_block_info/7
   */
  function espn_news_block_info() {
    $blocks['espn_news'] = array(
      'info' => t('ESPN News'),
      'cache' => DRUPAL_CACHE_PER_ROLE,
    );

    return $blocks;
  }