* Server-side rendering of the `core/post-date` block.
* Renders the `core/post-date` block on the server.
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
* @return string Returns the filtered post date for the current post wrapped inside "time" tags.
function render_block_core_post_date( $attributes, $content, $block ) {
if ( ! isset( $block->context['postId'] ) ) {
$post_ID = $block->context['postId'];
$formatted_date = get_the_date( empty( $attributes['format'] ) ? '' : $attributes['format'], $post_ID );
$unformatted_date = esc_attr( get_the_date( 'c', $post_ID ) );
if ( isset( $attributes['textAlign'] ) ) {
$classes[] = 'has-text-align-' . $attributes['textAlign'];
if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
$classes[] = 'has-link-color';
* If the "Display last modified date" setting is enabled,
* only display the modified date if it is later than the publishing date.
if ( isset( $attributes['displayType'] ) && 'modified' === $attributes['displayType'] ) {
if ( get_the_modified_date( 'Ymdhi', $post_ID ) > get_the_date( 'Ymdhi', $post_ID ) ) {
$formatted_date = get_the_modified_date( empty( $attributes['format'] ) ? '' : $attributes['format'], $post_ID );
$unformatted_date = esc_attr( get_the_modified_date( 'c', $post_ID ) );
$classes[] = 'wp-block-post-date__modified-date';
$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );
if ( isset( $attributes['isLink'] ) && $attributes['isLink'] ) {
$formatted_date = sprintf( '<a href="%1s">%2s</a>', get_the_permalink( $post_ID ), $formatted_date );
'<div %1$s><time datetime="%2$s">%3$s</time></div>',
* Registers the `core/post-date` block on the server.
function register_block_core_post_date() {
register_block_type_from_metadata(
'render_callback' => 'render_block_core_post_date',
add_action( 'init', 'register_block_core_post_date' );