WordPress at a glance
function is not described

WP_Query::is_embed() WP 4.4.0

Is the query for an embedded post?

This is a method of the class: WP_Query

No Hooks.

Return

true/false.

Usage

$WP_Query = new WP_Query();
$var = $WP_Query->is_embed();

Changelog

Since 4.4.0 Introduced.

Code of WP Query::is embed: wp-includes/class-wp-query.php WP 5.2.3

<?php
public function is_embed() {
	return (bool) $this->is_embed;
}