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   1. drupal6
   2. drupal7

Implementation of hook_help().

Code

modules/update/update.module, line 67

<?php
function update_help($path, $arg) {
  switch ($path) {
    case 'admin/reports/updates':
      $output = '<p>' . t('Here you can find information about available updates for your installed modules and themes. Note that each module or theme is part of a "project", which may or may not have the same name, and might include multiple modules or themes within it.') . '</p>';
      $output .= '<p>' . t('To extend the functionality or to change the look of your site, a number of contributed <a href="@modules">modules</a> and <a href="@themes">themes</a> are available.', array('@modules' => 'http://drupal.org/project/modules', '@themes' => 'http://drupal.org/project/themes')) . '</p>';
      return $output;
    case 'admin/build/themes':
    case 'admin/build/modules':
      include_once './includes/install.inc';
      $status = update_requirements('runtime');
      foreach (array('core', 'contrib') as $report_type) {
        $type = 'update_' . $report_type;
        if (isset($status[$type]['severity'])) {
          if ($status[$type]['severity'] == REQUIREMENT_ERROR) {
            drupal_set_message($status[$type]['description'], 'error');
          }
          elseif ($status[$type]['severity'] == REQUIREMENT_WARNING) {
            drupal_set_message($status[$type]['description'], 'warning');
          }
        }
      }
      return '<p>' . t('See the <a href="@available_updates">available updates</a> page for information on installed modules and themes with new versions released.', array('@available_updates' => url('admin/reports/updates'))) . '</p>';

    case 'admin/reports/updates/settings':
    case 'admin/reports/status':
      // These two pages don't need additional nagging.
      break;

    case 'admin/help#update':
      $output = '<p>' . t("The Update status module periodically checks for new versions of your site's software (including contributed modules and themes), and alerts you to available updates.") . '</p>';
      $output .= '<p>' . t('The <a href="@update-report">report of available updates</a> will alert you when new releases are available for download. You may configure options for update checking frequency and notifications at the <a href="@update-settings">Update status module settings page</a>.', array('@update-report' => url('admin/reports/updates'), '@update-settings' => url('admin/reports/updates/settings'))) . '</p>';
      $output .= '<p>' . t('Please note that in order to provide this information, anonymous usage statistics are sent to drupal.org. If desired, you may disable the Update status module from the <a href="@modules">module administration page</a>.', array('@modules' => url('admin/build/modules'))) . '</p>';
      $output .= '<p>' . t('For more information, see the online handbook entry for <a href="@update">Update status module</a>.', array('@update' => 'http://drupal.org/handbook/modules/update')) . '</p>';
      return $output;

    default:
      // Otherwise, if we're on *any* admin page and there's a security
      // update missing, print an error message about it.
      if (arg(0) == 'admin' && strpos($path, '#') === FALSE
           && user_access('administer site configuration')) {
        include_once './includes/install.inc';
        $status = update_requirements('runtime');
        foreach (array('core', 'contrib') as $report_type) {
          $type = 'update_' . $report_type;
          if (isset($status[$type])
               && isset($status[$type]['reason'])
               && $status[$type]['reason'] === UPDATE_NOT_SECURE) {
            drupal_set_message($status[$type]['description'], 'error');
          }
        }
      }

  }
}
?>