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apply_filters( 'block_core_navigation_render_fallback', array[] $fallback_blocks )

Since
5.9.0
Filters the fallback experience for the Navigation block.

Description

Returning a falsey value will opt out of the fallback and cause the block not to render.
To customise the blocks provided return an array of blocks - these should be valid children of the core/navigation block.

Compatibility

WordPress
since 5.9.0
  • 6.7.7
  • 6.8.8
  • 6.9.7
  • 7.0.4
  • 7.1.0

Present in every tracked release (6.7.7 to 7.1.0).

Parameters

$fallback_blocksarray[]
default fallback blocks provided by the default block mechanic.

Where this hook fires · 1

  • wp-includes/blocks/navigation.php:1523block_core_navigation_get_fallback_blocks()

Source code

	 * children of the `core/navigation` block.	 *	 * @since 5.9.0	 *	 * @param array[] $fallback_blocks default fallback blocks provided by the default block mechanic.	 */	return apply_filters( 'block_core_navigation_render_fallback', $fallback_blocks );} /** * Iterate through all inner blocks recursively and get navigation link block's post IDs. * * @since 6.0.0

Changelog

Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

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Generated from the wordpress-develop 7.1.0 tag, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
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