wp_footer()　WordPress関数　テンプレートタグ

<?php

/**
 * Fire the wp_footer action.
 *
 * See {@see 'wp_footer'}.
 *
 * @since 1.5.1
 */
function wp_footer() {
	/**
	 * Prints scripts or data before the closing body tag on the front end.
	 *
	 * @since 1.5.1
	 */
    do_action( 'wp_footer' );
    
}

?>

<!--footer.php内-->

<?php wp_footer(); ?>

</body>

</html>