constant BACKDROP_NO_CACHE

The block should not get cached.

This setting should be used:

For simple blocks (notably those that do not perform any db query), where querying the db cache would be more expensive than directly generating the content.
For blocks that change too frequently.

Related topics

Block Caching Constants that define each block's caching state.

5 uses of BACKDROP_NO_CACHE

menu_block_info in core/modules/menu/menu.module: Implements hook_block_info().
views_plugin_display::get_special_blocks in core/modules/views/plugins/views_plugin_display.inc: Provide the block system with any exposed widget blocks for this display.
views_plugin_display_block::block_caching_modes in core/modules/views/plugins/views_plugin_display_block.inc: Provide a list of core's block caching modes.
views_plugin_display_block::get_cache_type in core/modules/views/plugins/views_plugin_display_block.inc: Provide a single method to figure caching type, keeping a sensible default for when it's unset.
views_plugin_display_block::option_definition in core/modules/views/plugins/views_plugin_display_block.inc: Information about options for all kinds of purposes will be held here. @code 'option_name' => array(

File

core/includes/common.inc, line 131: Common functions that many Backdrop modules will need to reference.

Code

define('BACKDROP_NO_CACHE', -1)