block_core_post_template_uses_featured_image

block_core_post_template_uses_featured_image: 该函数用于检查文章模板是否使用了特色图片。如果文章模板使用了特色图片，则返回true，否则返回false。

决定一个区块列表是否包含使用特色图片的区块。

function block_core_post_template_uses_featured_image( $inner_blocks ) {
	foreach ( $inner_blocks as $block ) {
		if ( 'core/post-featured-image' === $block->name ) {
			return true;
		}
		if (
			'core/cover' === $block->name &&
			! empty( $block->attributes['useFeaturedImage'] )
		) {
			return true;
		}
		if ( $block->inner_blocks && block_core_post_template_uses_featured_image( $block->inner_blocks ) ) {
			return true;
		}
	}

	return false;
}