Editor: Add remaining query block file.

This is a follow-up to [59776] and [59775] to add yet another file that was missed in the original commit.

See #62887.


git-svn-id: https://develop.svn.wordpress.org/trunk@59777 602fd350-edb4-49c9-b593-d223f7449a82

Author: joemcgill

src/wp-includes/blocks/query-total.php

@@ -0,0 +1,88 @@
+<?php
+/**
+ * Server-side rendering of the `core/query-total` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `query-total` block on the server.
+ *
+ * @since 6.8.0
+ *
+ * @param array    $attributes Block attributes.
+ * @param string   $content    Block default content.
+ * @param WP_Block $block      Block instance.
+ *
+ * @return string The rendered block content.
+ */
+function render_block_core_query_total( $attributes, $content, $block ) {
+	global $wp_query;
+	$wrapper_attributes = get_block_wrapper_attributes();
+	if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
+		$query_to_use = $wp_query;
+		$current_page = max( 1, get_query_var( 'paged', 1 ) );
+	} else {
+		$page_key     = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
+		$current_page = isset( $_GET[ $page_key ] ) ? (int) $_GET[ $page_key ] : 1;
+		$query_to_use = new WP_Query( build_query_vars_from_query_block( $block, $current_page ) );
+	}
+
+	$max_rows       = $query_to_use->found_posts;
+	$posts_per_page = $query_to_use->get( 'posts_per_page' );
+
+	// Calculate the range of posts being displayed.
+	$start = ( $current_page - 1 ) * $posts_per_page + 1;
+	$end   = min( $start + $posts_per_page - 1, $max_rows );
+
+	// Prepare the display based on the `displayType` attribute.
+	$output = '';
+	switch ( $attributes['displayType'] ) {
+		case 'range-display':
+			if ( $start === $end ) {
+				$output = sprintf(
+					/* translators: 1: Start index of posts, 2: Total number of posts */
+					__( 'Displaying %1$s of %2$s' ),
+					$start,
+					$max_rows
+				);
+			} else {
+				$output = sprintf(
+					/* translators: 1: Start index of posts, 2: End index of posts, 3: Total number of posts */
+					__( 'Displaying %1$s – %2$s of %3$s' ),
+					$start,
+					$end,
+					$max_rows
+				);
+			}
+
+			break;
+
+		case 'total-results':
+		default:
+			// translators: %d: number of results.
+			$output = sprintf( _n( '%d result found', '%d results found', $max_rows ), $max_rows );
+			break;
+	}
+
+	return sprintf(
+		'<div %1$s>%2$s</div>',
+		$wrapper_attributes,
+		$output
+	);
+}
+
+/**
+ * Registers the `query-total` block.
+ *
+ * @since 6.8.0
+ */
+function register_block_core_query_total() {
+	register_block_type_from_metadata(
+		__DIR__ . '/query-total',
+		array(
+			'render_callback' => 'render_block_core_query_total',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_query_total' );