WP_Duotone::register_duotone_support() │ public static │ WP 6.3.0

Registers the style and colors block attributes for block types that support it.

Block support is added with supports.filter.duotone in block.json.

Method of the class: WP_Duotone{}

No Hooks.

Return

null. Nothing (null).

Usage

$result = WP_Duotone::register_duotone_support( $block_type );
$block_type(WP_Block_Type) (required)
Block Type.

Changelog

Since 6.3.0 Introduced.

WP_Duotone::register_duotone_support() code WP 6.6.2

wp-includes/class-wp-duotone.php 
public static function register_duotone_support( $block_type ) {
	/*
	 * Previous `color.__experimentalDuotone` support flag is migrated
	 * to `filter.duotone` via `block_type_metadata_settings` filter.
	 */
	if ( block_has_support( $block_type, array( 'filter', 'duotone' ), null ) ) {
		if ( ! $block_type->attributes ) {
			$block_type->attributes = array();
		}

		if ( ! array_key_exists( 'style', $block_type->attributes ) ) {
			$block_type->attributes['style'] = array(
				'type' => 'object',
			);
		}
	}
}