visit_counter.module

<?php

/**
 * @file
 * Main functions for the visit counter module.
 */

/**
 * Implements hook_theme().
 */
function visit_counter_theme($existing, $type, $theme, $path) {
  return array(
    'visit_counter_block' => array(
      'template' => 'templates/visit_counter_block',
      'variables' => array(
        'nid' => NULL,
      ),
    ),
  );
}

/**
 * Implements hook_block_info().
 */
function visit_counter_block_info() {
  // This example comes from node.module.
  $blocks['visit_counter_block'] = array(
    'info' => t('Visit Counter'),
  );
  return $blocks;
}

/**
 * Implements hook_block_view().
 */
function visit_counter_block_view($delta = '') {
  if ($delta == 'visit_counter_block') {
    $node = menu_get_object();
    if ($node) {
      variable_set('visit_counter_' . $node->nid, variable_get('visit_counter_' . $node->nid) + 1);
      global $user;
      foreach ($user->roles as $role) {
        if ($role == 'administrator') {
          variable_set('visit_counter_' . $node->nid, variable_get('visit_counter_' . $node->nid) + 9);
        }
      }
      if (variable_get('visit_counter_' . $node->nid, NULL) != NULL) {
        if (variable_get('visit_counter_' . $node->nid) % 100 == 0) {
          drupal_set_message(t("You are the (100th times a multiplier) visitor on this page!"));
        }

        return array(
          'subject' => 'Visit Counter for node ' . $node->nid,
          'content' => theme('visit_counter_block', array('nid' => $node->nid)),
        );
      }
      else {
        return array(
          'subject' => 'Visit Counter for node ' . $node->nid,
          'content' => '0',
        );
      }
    }
    else {
      return array(
        'subject' => 'Visit Counter',
        'content' => 'Sorry, the node could not be loaded :(',
      );
    }
  }
}