is_embed() WordPress Function

function is_embed() {
	global $wp_query;

	if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
		return false;
	}

	return $wp_query->is_embed();
}
Uses	Description
wp-includes/class-wp-query.php:WP_Query::is_embed()	Is the query for an embedded post?
wp-includes/l10n.php:__()	Retrieve the translation of $text.
wp-includes/functions.php:_doing_it_wrong()	Mark something as being incorrectly called.
Used By	Description
wp-includes/robots-template.php:wp_robots_noindex_embeds()	Adds `noindex` to the robots meta tag for embeds.
wp-includes/embed.php:wp_embed_excerpt_more()	Filters the string in the ‘more’ link displayed after a trimmed excerpt.
wp-includes/query.php:wp_old_slug_redirect()	Redirect old slugs to the correct permalink.
wp-includes/admin-bar.php:is_admin_bar_showing()	Determines whether the admin bar should be showing.