function crazyegg_page_alter in Crazy Egg Integration 7

Implements hook_page_alter(). Checks all conditions and injects tracking script into the page if needed

File

./crazyegg.module, line 61

The official Crazy Egg Plugin for Drupal. The easiest, free way to add your Crazy Egg tracking script to your Drupal site. See https://www.crazyegg.com for details.

Code

function crazyegg_page_alter(&$page) {
  $account_id = variable_get('crazyegg_account_id', '');
  $crazyegg_enabled = variable_get('crazyegg_enabled', TRUE);

  // if module is enabled, there is numeric account ID, user role is allowed and current page matches page targeting setting
  if ($crazyegg_enabled && is_numeric($account_id) && crazyegg_is_role_allowed() && crazyegg_is_page_allowed()) {
    $account_path = str_pad($account_id, 8, '0', STR_PAD_LEFT);
    $account_path = drupal_substr($account_path, 0, 4) . '/' . drupal_substr($account_path, 4, 8);
    $script_path = '//script.crazyegg.com/pages/scripts/' . $account_path . '.js';
    $crazyegg_scope = variable_get('crazyegg_js_scope', 'header');
    drupal_add_js($script_path, array(
      'type' => 'external',
      'scope' => $crazyegg_scope,
      'weight' => 0,
      'defer' => TRUE,
    ));
  }
}