_block_template_render_without_post_block_context

_block_template_render_without_post_block_context: 这个函数用于在没有post block的情况下渲染一个block模板。它用于在块编辑器中渲染块模板的预览。

在渲染区块模板时，从区块上下文中删除文章细节。

function _block_template_render_without_post_block_context( $context ) {
	/*
	 * When loading a template directly and not through a page that resolves it,
	 * the top-level post ID and type context get set to that of the template.
	 * Templates are just the structure of a site, and they should not be available
	 * as post context because blocks like Post Content would recurse infinitely.
	 */
	if ( isset( $context['postType'] ) && 'wp_template' === $context['postType'] ) {
		unset( $context['postId'] );
		unset( $context['postType'] );
	}

	return $context;
}