<?php

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/**

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* Server-side rendering of the `core/post-date` block.

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*

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* @package WordPress

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*/

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/**

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* Renders the `core/post-date` block on the server.

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*

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* @since 5.8.0

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* @since 6.9.0 Added `datetime` attribute and Block Bindings support.

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*

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* @param array $attributes Block attributes.

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* @param string $content Block default content.

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* @param WP_Block $block Block instance.

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* @return string Returns the filtered post date for the current post wrapped inside "time" tags.

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*/

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function render_block_core_post_date( $attributes, $content, $block ) {

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$classes = array();

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if (

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! isset( $attributes['datetime'] ) && ! (

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isset( $attributes['metadata']['bindings']['datetime']['source'] ) &&

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isset( $attributes['metadata']['bindings']['datetime']['args'] )

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)

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) {

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/*

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* This is the legacy version of the block that didn't have the `datetime` attribute.

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* This branch needs to be kept for backward compatibility.

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*/

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$source = get_block_bindings_source( 'core/post-data' );

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if ( isset( $attributes['displayType'] ) && 'modified' === $attributes['displayType'] ) {

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$source_args = array(

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'field' => 'modified',

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);

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} else {

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$source_args = array(

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'field' => 'date',

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);

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}

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$attributes['datetime'] = $source->get_value( $source_args, $block, 'datetime' );

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}

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if ( isset( $source_args['field'] ) && 'modified' === $source_args['field'] ) {

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$classes[] = 'wp-block-post-date__modified-date';

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}

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if ( empty( $attributes['datetime'] ) ) {

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// If the `datetime` attribute is set but empty, it could be because Block Bindings

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// set it that way. This can happen e.g. if the block is bound to the

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// post's last modified date, and the latter lies before the publish date.

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// (See https://github.com/WordPress/gutenberg/pull/46839 where this logic was originally

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// implemented.)

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// In this case, we have to respect and return the empty value.

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return '';

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}

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$unformatted_date = $attributes['datetime'];

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$post_timestamp = strtotime( $unformatted_date );

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if ( isset( $attributes['format'] ) && 'human-diff' === $attributes['format'] ) {

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if ( $post_timestamp > time() ) {

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// translators: %s: human-readable time difference.

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$formatted_date = sprintf( __( '%s from now' ), human_time_diff( $post_timestamp ) );

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} else {

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// translators: %s: human-readable time difference.

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$formatted_date = sprintf( __( '%s ago' ), human_time_diff( $post_timestamp ) );

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}

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} else {

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$format = empty( $attributes['format'] ) ? get_option( 'date_format' ) : $attributes['format'];

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$formatted_date = wp_date( $format, $post_timestamp );

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}

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if ( isset( $attributes['textAlign'] ) ) {

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$classes[] = 'has-text-align-' . $attributes['textAlign'];

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}

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if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {

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$classes[] = 'has-link-color';

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}

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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );

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if ( isset( $attributes['isLink'] ) && $attributes['isLink'] && isset( $block->context['postId'] ) ) {

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$formatted_date = sprintf( '<a href="%1s">%2s</a>', get_the_permalink( $block->context['postId'] ), $formatted_date );

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}

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return sprintf(

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'<div %1$s><time datetime="%2$s">%3$s</time></div>',

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$wrapper_attributes,

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$unformatted_date,

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$formatted_date

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);

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}

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/**

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* Registers the `core/post-date` block on the server.

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*

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* @since 5.8.0

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*/

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function register_block_core_post_date() {

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register_block_type_from_metadata(

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__DIR__ . '/post-date',

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array(

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'render_callback' => 'render_block_core_post_date',

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)

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);

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}

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add_action( 'init', 'register_block_core_post_date' );

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