1 <?php

     2 /**

     3  * Server-side rendering of the `core/site-title` block.

     4  *

     5  * @package WordPress

     6  */

     7 

     8 /**

     9  * Renders the `core/site-title` block on the server.

    10  *

    11  * @param array $attributes The block attributes.

    12  *

    13  * @return string The render.

    14  */

    15 function render_block_core_site_title( $attributes ) {

    16 	$site_title = get_bloginfo( 'name' );

    17 	if ( ! $site_title ) {

    18 		return;

    19 	}

    20 

    21 	$tag_name         = 'h1';

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

    23 

    24 	if ( isset( $attributes['level'] ) ) {

    25 		$tag_name = 0 === $attributes['level'] ? 'p' : 'h' . $attributes['level'];

    26 	}

    27 

    28 	$link               = sprintf( '<a href="%1$s" rel="home">%2$s</a>', get_bloginfo( 'url' ), $site_title );

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

    30 

    31 	return sprintf(

    32 		'<%1$s %2$s>%3$s</%1$s>',

    33 		$tag_name,

    34 		$wrapper_attributes,

    35 		$link

    36 	);

    37 }

    38 

    39 /**

    40  * Registers the `core/site-title` block on the server.

    41  */

    42 function register_block_core_site_title() {

    43 	register_block_type_from_metadata(

    44 		__DIR__ . '/site-title',

    45 		array(

    46 			'render_callback' => 'render_block_core_site_title',

    47 		)

    48 	);

    49 }

    50 add_action( 'init', 'register_block_core_site_title' );