get_the_block_template_html() WordPress Function

function get_the_block_template_html() {
	global $_wp_current_template_content;
	global $wp_embed;

	if ( ! $_wp_current_template_content ) {
		if ( is_user_logged_in() ) {
			return '<h1>' . esc_html__( 'No matching template found' ) . '</h1>';
		}
		return;
	}

	$content = $wp_embed->run_shortcode( $_wp_current_template_content );
	$content = $wp_embed->autoembed( $content );
	$content = do_blocks( $content );
	$content = wptexturize( $content );
	$content = convert_smilies( $content );
	$content = shortcode_unautop( $content );
	$content = wp_filter_content_tags( $content );
	$content = do_shortcode( $content );
	$content = str_replace( ']]>', ']]&gt;', $content );

	// Wrap block template in .wp-site-blocks to allow for specific descendant styles
	// (e.g. `.wp-site-blocks > *`).
	return '<div class="wp-site-blocks">' . $content . '</div>';
}
Uses	Description
wp-includes/media.php:wp_filter_content_tags()	Filters specific tags in post content and modifies their markup.
wp-includes/blocks.php:do_blocks()	Parses dynamic blocks out of `post_content` and re-renders them.
wp-includes/l10n.php:esc_html__()	Retrieve the translation of $text and escapes it for safe use in HTML output.
wp-includes/formatting.php:convert_smilies()	Converts text equivalent of smilies to images.
wp-includes/formatting.php:wptexturize()	Replaces common plain text characters with formatted entities.
wp-includes/formatting.php:shortcode_unautop()	Don’t auto-p wrap shortcodes that stand alone.
wp-includes/pluggable.php:is_user_logged_in()	Determines whether the current visitor is a logged in user.
wp-includes/class-wp-embed.php:WP_Embed::autoembed()	Passes any unlinked URLs that are on their own line to WP_Embed::shortcode() for potential embedding.
wp-includes/class-wp-embed.php:WP_Embed::run_shortcode()	Processes the [embed] shortcode.
wp-includes/shortcodes.php:do_shortcode()	Search content for shortcodes and filter shortcodes through their hooks.