<?php

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/**

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* Server-side rendering of the `core/query-title` 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-title` block on the server.

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* For now it supports Archive title, Search title, and Post Type Label,

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* using queried object information

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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 array $_content Block content.

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* @param object $block Block instance.

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*

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* @return string Returns the query title based on the queried object.

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*/

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

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$type = isset( $attributes['type'] ) ? $attributes['type'] : null;

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$is_archive = is_archive();

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$is_search = is_search();

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$post_type = isset( $block->context['query']['postType'] ) ? $block->context['query']['postType'] : get_post_type();

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if ( ! $type ||

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( 'archive' === $type && ! $is_archive ) ||

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( 'search' === $type && ! $is_search ) ||

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( 'post-type' === $type && ! $post_type )

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) {

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return '';

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}

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$title = '';

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if ( $is_archive ) {

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$show_prefix = isset( $attributes['showPrefix'] ) ? $attributes['showPrefix'] : true;

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if ( ! $show_prefix ) {

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add_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );

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$title = get_the_archive_title();

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remove_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );

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} else {

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$title = get_the_archive_title();

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}

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}

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if ( $is_search ) {

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$title = __( 'Search results' );

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if ( isset( $attributes['showSearchTerm'] ) && $attributes['showSearchTerm'] ) {

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$title = sprintf(

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/* translators: %s is the search term. */

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__( 'Search results for: "%s"' ),

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get_search_query()

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);

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}

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}

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if ( 'post-type' === $type ) {

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$post_type_object = get_post_type_object( $post_type );

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if ( ! $post_type_object ) {

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return '';

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}

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$post_type_name = $post_type_object->labels->singular_name;

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$show_prefix = isset( $attributes['showPrefix'] ) ? $attributes['showPrefix'] : true;

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if ( $show_prefix ) {

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$title = sprintf(

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/* translators: %s is the post type name. */

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__( 'Post Type: "%s"' ),

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$post_type_name

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);

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} else {

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$title = $post_type_name;

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}

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}

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$level = isset( $attributes['level'] ) ? (int) $attributes['level'] : 1;

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$tag_name = 0 === $level ? 'p' : 'h' . (int) $attributes['level'];

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$align_class_name = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";

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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );

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return sprintf(

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'<%1$s %2$s>%3$s</%1$s>',

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$tag_name,

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$wrapper_attributes,

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$title

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);

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}

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/**

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* Registers the `core/query-title` 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_title() {

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register_block_type_from_metadata(

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__DIR__ . '/query-title',

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array(

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'render_callback' => 'render_block_core_query_title',

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)

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);

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}

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add_action( 'init', 'register_block_core_query_title' );

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