wp/wp-includes/blocks/query-pagination-previous.php
author ymh <ymh.work@gmail.com>
Fri, 05 Sep 2025 18:40:08 +0200
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permissions -rw-r--r--
Add CLAUDE.md documentation and sync WordPress core files - Add comprehensive CLAUDE.md documentation file with project architecture, development setup, database operations, WordPress CLI usage, file sync procedures, and Mercurial commands - Update WordPress core files from wordpress/ to wp/ directory - Sync latest WordPress admin interface, includes, and core functionality - Update plugins: portfolio plugin with latest BWS framework and fancybox integration - Maintain custom configuration and theme files 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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<?php
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/**
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 * Server-side rendering of the `core/query-pagination-previous` 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/query-pagination-previous` block on the server.
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 *
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 * @since 5.8.0
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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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 *
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 * @return string Returns the previous posts link for the query.
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 */
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function render_block_core_query_pagination_previous( $attributes, $content, $block ) {
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	$page_key            = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
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	$enhanced_pagination = isset( $block->context['enhancedPagination'] ) && $block->context['enhancedPagination'];
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	$page                = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ];
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	$wrapper_attributes = get_block_wrapper_attributes();
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	$show_label         = isset( $block->context['showLabel'] ) ? (bool) $block->context['showLabel'] : true;
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	$default_label      = __( 'Previous Page' );
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	$label_text         = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? esc_html( $attributes['label'] ) : $default_label;
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	$label              = $show_label ? $label_text : '';
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	$pagination_arrow   = get_query_pagination_arrow( $block, false );
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	if ( ! $label ) {
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		$wrapper_attributes .= ' aria-label="' . $label_text . '"';
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	}
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	if ( $pagination_arrow ) {
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		$label = $pagination_arrow . $label;
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	}
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	$content = '';
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	// Check if the pagination is for Query that inherits the global context
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	// and handle appropriately.
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	if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
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		$filter_link_attributes = static function () use ( $wrapper_attributes ) {
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			return $wrapper_attributes;
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		};
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		add_filter( 'previous_posts_link_attributes', $filter_link_attributes );
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		$content = get_previous_posts_link( $label );
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		remove_filter( 'previous_posts_link_attributes', $filter_link_attributes );
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	} elseif ( 1 !== $page ) {
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		$content = sprintf(
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			'<a href="%1$s" %2$s>%3$s</a>',
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			esc_url( add_query_arg( $page_key, $page - 1 ) ),
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			$wrapper_attributes,
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			$label
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		);
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	}
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	if ( $enhanced_pagination && isset( $content ) ) {
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		$p = new WP_HTML_Tag_Processor( $content );
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		if ( $p->next_tag(
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			array(
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				'tag_name'   => 'a',
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				'class_name' => 'wp-block-query-pagination-previous',
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			)
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		) ) {
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			$p->set_attribute( 'data-wp-key', 'query-pagination-previous' );
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			$p->set_attribute( 'data-wp-on--click', 'core/query::actions.navigate' );
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			$p->set_attribute( 'data-wp-on-async--mouseenter', 'core/query::actions.prefetch' );
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			$p->set_attribute( 'data-wp-watch', 'core/query::callbacks.prefetch' );
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			$content = $p->get_updated_html();
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		}
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	}
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	return $content;
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}
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/**
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 * Registers the `core/query-pagination-previous` 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_query_pagination_previous() {
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	register_block_type_from_metadata(
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		__DIR__ . '/query-pagination-previous',
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		array(
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			'render_callback' => 'render_block_core_query_pagination_previous',
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		)
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	);
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}
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add_action( 'init', 'register_block_core_query_pagination_previous' );