_block_bindings_post_data_get_value( array $source_args, WP_Block $block_instance ): mixed

21function _block_bindings_post_data_get_value( array $source_args, $block_instance ) {22	if ( empty( $source_args['field'] ) ) {23		// Backward compatibility for when the source argument was called `key` in Gutenberg plugin.24		if ( empty( $source_args['key'] ) ) {25			return null;26		}27		$field = $source_args['key'];28	} else {29		$field = $source_args['field'];30	}31 32	/*33	 * BACKWARDS COMPATIBILITY: Hardcoded exception for navigation blocks.34	 * Required for WordPress 6.9+ navigation blocks. DO NOT REMOVE.35	 */36	$block_name          = $block_instance->name ?? '';37	$is_navigation_block = in_array(38		$block_name,39		array( 'core/navigation-link', 'core/navigation-submenu' ),40		true41	);42 43	if ( $is_navigation_block ) {44		// Navigation blocks: read from block attributes.45		$post_id = $block_instance->attributes['id'] ?? null;46	} else {47		// All other blocks: use context.48		$post_id = $block_instance->context['postId'] ?? null;49	}50 51	// If we don't have an entity ID, bail early.52	if ( empty( $post_id ) ) {53		return null;54	}55 56	// If a post isn't public, we need to prevent unauthorized users from accessing the post data.57	$post = get_post( $post_id );58	if ( ( ! is_post_publicly_viewable( $post ) && ! current_user_can( 'read_post', $post_id ) ) || post_password_required( $post ) ) {59		return null;60	}61 62	if ( 'date' === $field ) {63		return esc_attr( get_the_date( 'c', $post_id ) );64	}65 66	if ( 'modified' === $field ) {67		// Only return the modified date if it is later than the publishing date.68		if ( get_the_modified_date( 'U', $post_id ) > get_the_date( 'U', $post_id ) ) {69			return esc_attr( get_the_modified_date( 'c', $post_id ) );70		} else {71			return '';72		}73	}74 75	if ( 'link' === $field ) {76		$permalink = get_permalink( $post_id );77		return false === $permalink ? null : esc_url( $permalink );78	}79}