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<?php/**
 * Server-side rendering of the `core/site-title` block.
 *
 * @package WordPress
 */
 
 /**
 * Renders the `core/site-title` block on the server.
 *
 * @since 5.8.0
 *
 * @param array $attributes The block attributes.
 *
 * @return string The render.
 */
 function render_block_core_site_title( $attributes ) {
 $site_title = get_bloginfo( 'name' );
 if ( ! $site_title ) {
 return;
 }
 
 $tag_name = 'h1';
 $classes  = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";
 if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
 $classes .= ' has-link-color';
 }
 
 if ( isset( $attributes['level'] ) ) {
 $tag_name = 0 === $attributes['level'] ? 'p' : 'h' . (int) $attributes['level'];
 }
 
 if ( $attributes['isLink'] ) {
 $aria_current = is_home() || ( is_front_page() && 'page' === get_option( 'show_on_front' ) ) ? ' aria-current="page"' : '';
 $link_target  = ! empty( $attributes['linkTarget'] ) ? $attributes['linkTarget'] : '_self';
 
 $site_title = sprintf(
 '<a href="%1$s" target="%2$s" rel="home"%3$s>%4$s</a>',
 esc_url( home_url() ),
 esc_attr( $link_target ),
 $aria_current,
 esc_html( $site_title )
 );
 }
 $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => trim( $classes ) ) );
 
 return sprintf(
 '<%1$s %2$s>%3$s</%1$s>',
 $tag_name,
 $wrapper_attributes,
 // already pre-escaped if it is a link.
 $attributes['isLink'] ? $site_title : esc_html( $site_title )
 );
 }
 
 /**
 * Registers the `core/site-title` block on the server.
 *
 * @since 5.8.0
 */
 function register_block_core_site_title() {
 register_block_type_from_metadata(
 __DIR__ . '/site-title',
 array(
 'render_callback' => 'render_block_core_site_title',
 )
 );
 }
 add_action( 'init', 'register_block_core_site_title' );
 
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