wp_apply_anchor_support( WP_Block_Type $block_type, array $block_attributes ): array<string,

43function wp_apply_anchor_support( WP_Block_Type $block_type, array $block_attributes ): array {44	if ( empty( $block_attributes ) ) {45		return array();46	}47 48	if ( ! block_has_support( $block_type, array( 'anchor' ) ) ) {49		return array();50	}51 52	if ( ! isset( $block_attributes['anchor'] ) || ! is_string( $block_attributes['anchor'] ) || '' === $block_attributes['anchor'] ) {53		return array();54	}55 56	return array( 'id' => $block_attributes['anchor'] );57}