<?php 
/** 
 * Server-side rendering of the `core/post-date` block. 
 * 
 * @package WordPress 
 */ 
 
/** 
 * Renders the `core/post-date` block on the server. 
 * 
 * @since 5.8.0 
 * 
 * @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'] ) ) { 
        return ''; 
    } 
 
    $post_ID = $block->context['postId']; 
 
    if ( isset( $attributes['format'] ) && 'human-diff' === $attributes['format'] ) { 
        $post_timestamp = get_post_timestamp( $post_ID ); 
        if ( $post_timestamp > time() ) { 
            // translators: %s: human-readable time difference. 
            $formatted_date = sprintf( __( '%s from now' ), human_time_diff( $post_timestamp ) ); 
        } else { 
            // translators: %s: human-readable time difference. 
            $formatted_date = sprintf( __( '%s ago' ), human_time_diff( $post_timestamp ) ); 
        } 
    } else { 
        $formatted_date = get_the_date( empty( $attributes['format'] ) ? '' : $attributes['format'], $post_ID ); 
    } 
    $unformatted_date = esc_attr( get_the_date( 'c', $post_ID ) ); 
    $classes          = array(); 
 
    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 ) ) { 
            if ( isset( $attributes['format'] ) && 'human-diff' === $attributes['format'] ) { 
                // translators: %s: human-readable time difference. 
                $formatted_date = sprintf( __( '%s ago' ), human_time_diff( get_post_timestamp( $post_ID, 'modified' ) ) ); 
            } else { 
                $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'; 
        } else { 
            return ''; 
        } 
    } 
 
    $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 ); 
    } 
 
    return sprintf( 
        '<div %1$s><time datetime="%2$s">%3$s</time></div>', 
        $wrapper_attributes, 
        $unformatted_date, 
        $formatted_date 
    ); 
} 
 
/** 
 * Registers the `core/post-date` block on the server. 
 * 
 * @since 5.8.0 
 */ 
function register_block_core_post_date() { 
    register_block_type_from_metadata( 
        __DIR__ . '/post-date', 
        array( 
            'render_callback' => 'render_block_core_post_date', 
        ) 
    ); 
} 
add_action( 'init', 'register_block_core_post_date' ); 
 
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