Check if the child theme is accessible with Genesis

functions.php

<?php
// Paste the code BELOW this line into your child theme functions.

/**
 * Check if the child theme is accessible with Genesis
 *
 * @author Reasons to Use Genesis
 * @link http://reasonstousegenesis.com/genesis-a11y/
 */
add_action( 'genesis_entry_content', 'rtug_semantic_headings' );
function rtug_semantic_headings() {
	
	if ( genesis_a11y( 'headings' ) )
		echo '<h3>Semantic Heading</h3>';
	else
		echo '<h4>Non-Semantic Heading</h4>';
	
}