Drupal 7 Module Development: Block Content

espn_news.module

<?php

  /**
   * Implements hook_block_view().
   *
   * Creates content for our block. It sets the title for the block, and the 
   * content.
   *
   * @url: https://api.drupal.org/api/drupal/modules!block!block.api.php/function/hook_block_view/7
   */
  function espn_news_block_view($delta = '') {
    $block = array();

    switch ($delta) {
      case 'espn_news':

      // Set block title.
      $block['subject'] = t('ESPN News');

      // Set block content.
      $block['content'] = 'Hello World';
    }

    return $block;
  }