initial commit

hamrokhaanpaan/wp-includes/blocks/query-pagination-numbers.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * Server-side rendering of the `core/query-pagination-numbers` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/query-pagination-numbers` 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 pagination numbers for the Query.
+ */
+function render_block_core_query_pagination_numbers( $attributes, $content, $block ) {
+	$page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
+	$page     = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ];
+	$max_page = isset( $block->context['query']['pages'] ) ? (int) $block->context['query']['pages'] : 0;
+
+	$wrapper_attributes = get_block_wrapper_attributes();
+	$content            = '';
+	global $wp_query;
+	if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
+		// Take into account if we have set a bigger `max page`
+		// than what the query has.
+		$total         = ! $max_page || $max_page > $wp_query->max_num_pages ? $wp_query->max_num_pages : $max_page;
+		$paginate_args = array(
+			'prev_next' => false,
+			'total'     => $total,
+		);
+		$content       = paginate_links( $paginate_args );
+	} else {
+		$block_query = new WP_Query( build_query_vars_from_query_block( $block, $page ) );
+		// `paginate_links` works with the global $wp_query, so we have to
+		// temporarily switch it with our custom query.
+		$prev_wp_query = $wp_query;
+		$wp_query      = $block_query;
+		$total         = ! $max_page || $max_page > $wp_query->max_num_pages ? $wp_query->max_num_pages : $max_page;
+		$paginate_args = array(
+			'base'      => '%_%',
+			'format'    => "?$page_key=%#%",
+			'current'   => max( 1, $page ),
+			'total'     => $total,
+			'prev_next' => false,
+		);
+		// We still need to preserve `paged` query param if exists, as is used
+		// for Queries that inherit from global context.
+		$paged = empty( $_GET['paged'] ) ? null : (int) $_GET['paged'];
+		if ( $paged ) {
+			$paginate_args['add_args'] = array( 'paged' => $paged );
+		}
+		$content = paginate_links( $paginate_args );
+		wp_reset_postdata(); // Restore original Post Data.
+		$wp_query = $prev_wp_query;
+	}
+	if ( empty( $content ) ) {
+		return '';
+	}
+	return sprintf(
+		'<div %1$s>%2$s</div>',
+		$wrapper_attributes,
+		$content
+	);
+}
+
+/**
+ * Registers the `core/query-pagination-numbers` block on the server.
+ */
+function register_block_core_query_pagination_numbers() {
+	register_block_type_from_metadata(
+		__DIR__ . '/query-pagination-numbers',
+		array(
+			'render_callback' => 'render_block_core_query_pagination_numbers',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_query_pagination_numbers' );