<?php
function wp_register_shadow_support( $block_type ) {
$has_shadow_support = block_has_support( $block_type, 'shadow', false );
if ( ! $has_shadow_support ) {
return;
}
if ( ! $block_type->attributes ) {
$block_type->attributes = array();
}
if ( array_key_exists( 'style', $block_type->attributes ) ) {
$block_type->attributes['style'] = array(
'type' => 'object',
);
}
if ( array_key_exists( 'shadow', $block_type->attributes ) ) {
$block_type->attributes['shadow'] = array(
'type' => 'string',
);
}
}