<?php
/**
* Server-side rendering of the `core/query-title` block.
*
* @package WordPress
*/

/**
* Renders the `core/query-title` block on the server.
* For now it only supports Archive title,
* using queried object information
*
* @since 5.8.0
*
* @param array $attributes Block attributes.
*
* @return string Returns the query title based on the queried object.
*/
function render_block_core_query_title( $attributes ) {
$type = isset( $attributes['type'] ) ? $attributes['type'] : null;
$is_archive = is_archive();
$is_search = is_search();
if ( ! $type ||
( 'archive' === $type && ! $is_archive ) ||
( 'search' === $type && ! $is_search )
) {
return '';
}
$title = '';
if ( $is_archive ) {
$show_prefix = isset( $attributes['showPrefix'] ) ? $attributes['showPrefix'] : true;
if ( ! $show_prefix ) {
add_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );
$title = get_the_archive_title();
remove_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );
} else {
$title = get_the_archive_title();
}
}
if ( $is_search ) {
$title = __( 'Search results' );

if ( isset( $attributes['showSearchTerm'] ) && $attributes['showSearchTerm'] ) {
$title = sprintf(
/* translators: %s is the search term. */
__( 'Search results for: "%s"' ),
get_search_query()
);
}
}

$tag_name = isset( $attributes['level'] ) ? 'h' . (int) $attributes['level'] : 'h1';
$align_class_name = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";
$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
return sprintf(
'<%1$s %2$s>%3$s</%1$s>',
$tag_name,
$wrapper_attributes,
$title
);
}

/**
* Registers the `core/query-title` block on the server.
*
* @since 5.8.0
*/
function register_block_core_query_title() {
register_block_type_from_metadata(
__DIR__ . '/query-title',
array(
'render_callback' => 'render_block_core_query_title',
)
);
}
add_action( 'init', 'register_block_core_query_title' );