function _filter_tips

Retrieves the filter tips.

Parameters

$format_id: The ID of the text format for which to retrieve tips, or -1 to return tips for all formats accessible to the current user.

$long: (optional) Boolean indicating whether the long form of tips should be returned. Defaults to FALSE.

Return value

An associative array of filtering tips, keyed by filter name. Each filtering tip is an associative array with elements:

• tip: Tip text.
• id: Filter ID.

File

modules/filter/filter.module, line 1063

Framework for handling the filtering of content.

Code

function _filter_tips($format_id, $long = FALSE) {
  global $user;
  $formats = filter_formats($user);
  $filter_info = filter_get_filters();
  $tips = array();

  // If only listing one format, extract it from the $formats array.
  if ($format_id != -1) {
    $formats = array(
      $formats[$format_id],
    );
  }
  foreach ($formats as $format) {
    $filters = filter_list_format($format->format);
    $tips[$format->name] = array();
    foreach ($filters as $name => $filter) {
      if ($filter->status && isset($filter_info[$name]['tips callback']) && function_exists($filter_info[$name]['tips callback'])) {
        $tip = $filter_info[$name]['tips callback']($filter, $format, $long);
        if (isset($tip)) {
          $tips[$format->name][$name] = array(
            'tip' => $tip,
            'id' => $name,
          );
        }
      }
    }
  }
  return $tips;
}