<?php
/**
 * @file
 * Install hooks.
 */

/**
 * Implements hook_uninstall().
 */
function easy_breadcrumb_uninstall() {

  require_once 'includes/EasyBreadcrumbConstants.inc';

  // Use reflection for getting constants.
  $o_class = new ReflectionClass('EasyBreadcrumbConstants');
  $constants = $o_class->getConstants();

  // Deletes all the created variables by this module.
  foreach ($constants as $constant_name => $constant_value) {
    // The database variables are named using the prefix 'DB_VAR'.
    if (strpos($constant_name, 'DB_VAR_') === 0) {
      variable_del($constant_value);
    }
  }
}