public static function view::generate_item_id

1 view.inc public static view::generate_item_id($requested_id, $existing_items)

Generates a unique ID for an item.

These items are typically fields, filters, sort criteria, or arguments.

Parameters

$requested_id: The requested ID for the item.

$existing_items: An array of existing items, keyed by their IDs.

Return value

A unique ID. This will be equal to $requested_id if no item with that ID: already exists. Otherwise, it will be appended with an integer to make it unique, e.g. "{$requested_id}_1", "{$requested_id}_2", etc.

2 calls to view::generate_item_id()

view::add_item in core/modules/views/includes/view.inc: Add an item with a handler to the view.
ViewsUiBaseViewsWizard::alter_display_options in core/modules/views_ui/wizards/views_ui_base_views_wizard.php: Alter the full array of display options before they are added to the view.

File

core/modules/views/includes/view.inc, line 2156: Provides the view object type and associated methods.

Class

view

Code

public static function generate_item_id($requested_id, $existing_items) {
  $count = 0;
  $id = $requested_id;
  while (!empty($existing_items[$id])) {
    $id = $requested_id . '_' . ++$count;
  }
  return $id;
}