/**
 * Sanitization: html
 * Control: textarea
 *
 * Sanitization callback for 'html' type text inputs. This
 * callback sanitizes $input for HTML allowable in posts.
 *
 * https://codex.wordpress.org/Function_Reference/wp_kses
 * https://gist.github.com/adamsilverstein/10783774
 * https://github.com/devinsays/options-framework-plugin/blob/master/options-check/functions.php#L69
 * http://ottopress.com/2010/wp-quickie-kses/
 * 
 * @uses	wp_filter_post_kses()	https://developer.wordpress.org/reference/functions/wp_filter_post_kses/
 * @uses	wp_kses()	https://developer.wordpress.org/reference/functions/wp_kses/
 */

function theme_slug_sanitize_html( $input ) {
	global $allowedposttags;

	return wp_kses( $input, $allowedposttags );
/*
	$allowed = array(
			    'a' => array(
			        'href' => array(),
			        'title' => array(),
			        'target' => array(),
			        'class' => array()
			    ),
			    'br' => array(),
			    'em' => array(),
			    'strong' => array(),
			    'p' => array(
			        'class' => array()
			    )
			);
*/
	//return wp_kses( $input, $allowed );

	//return wp_post_kses( $input );
	//return wp_filter_post_kses( $input );
}