apply_filters( ‘hooked_block_types’, string[] $hooked_block_types, string $relative_position, string $anchor_block_type, WP_Block_Template|WP_Post|array $context )

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   HelgaTheViking 2 months ago

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   The following example will insert a custom block after after heading block:

   /**
    * Use block hooks to inject the custom block after the heading block
    *
    * @param string                          $hooked_blocks The list of hooked block types.
    * @param string                          $position The relative position of the hooked blocks. Values: 'before', 'after', 'first_child', or 'last_child'.
    * @param string                          $anchor_block The anchor block type.
    * @param WP_Block_Template|WP_Post|array $context The block template, template part, post object, or pattern that the anchor block belongs to.
    * @return string
    */
   function hook_custom_text_after_block( $hooked_blocks, $position, $anchor_block, $context ) {
   	// Check if we're in the 'after' position.
   	if ( $position !== 'after' ) {
   		return $hooked_blocks;
   	}
   	
   	// Check if the anchor block is the heading block.
   	if ( $anchor_block !== 'core/heading' ) {
   		return $hooked_blocks;
   	}
   	
   	// Add our custom block to be hooked after heading block.
   	$hooked_blocks[] = 'custom/flash-text';
   	
   	return $hooked_blocks;
   }
   add_filter( 'hooked_block_types', 'hook_custom_text_after_block', 10, 4 );