1 <?php

     2 /**

     3  * Server-side rendering of the `core/read-more` block.

     4  *

     5  * @package WordPress

     6  */

     7 

     8 /**

     9  * Renders the `core/read-more` block on the server.

    10  *

    11  * @param array    $attributes Block attributes.

    12  * @param string   $content    Block default content.

    13  * @param WP_Block $block      Block instance.

    14  * @return string  Returns the post link.

    15  */

    16 function render_block_core_read_more( $attributes, $content, $block ) {

    17 	if ( ! isset( $block->context['postId'] ) ) {

    18 		return '';

    19 	}

    20 

    21 	$post_ID            = $block->context['postId'];

    22 	$justify_class_name = empty( $attributes['justifyContent'] ) ? '' : "is-justified-{$attributes['justifyContent']}";

    23 	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $justify_class_name ) );

    24 	$more_text          = ! empty( $attributes['content'] ) ? wp_kses_post( $attributes['content'] ) : __( 'Read more' );

    25 	return sprintf(

    26 		'<a %1s href="%2s" target="%3s">%4s</a>',

    27 		$wrapper_attributes,

    28 		get_the_permalink( $post_ID ),

    29 		esc_attr( $attributes['linkTarget'] ),

    30 		$more_text

    31 	);

    32 }

    33 

    34 /**

    35  * Registers the `core/read-more` block on the server.

    36  */

    37 function register_block_core_read_more() {

    38 	register_block_type_from_metadata(

    39 		__DIR__ . '/read-more',

    40 		array(

    41 			'render_callback' => 'render_block_core_read_more',

    42 		)

    43 	);

    44 }

    45 add_action( 'init', 'register_block_core_read_more' );