<?php

/**
 * @file
 * The most basic parts of the Rules mechanisms for the Think Twice rules.
 */

/**
 * Helper for the 'rb_thinktwice_action_page_alter' action.
 * Implements hook_page_alter().
 */
function rb_thinktwice_page_alter(&$page) {
  $alter = &drupal_static('rb_page_alter', array());

  // If our action, rb_thinktwice_action_page_alter executed...
  if (!empty($alter)) {
    foreach ($alter as $index => $values) {
      drupal_array_set_nested_value($page,
        // set this property in $page:
        explode(':', $alter[$index]['property']),
        // with this value:
        $alter[$index]['value']);
    }
  }
}