Enable the right sidebar on single portfolio pages (Parallax)

gistfile1.php

<?php

function custom_body_classes( $classes ) {
	if( is_singular( 'portfolio' ) ) {
		$id = array_search( 'sidebar-none', $classes );
		unset( $classes[$id] );
		$classes[] = 'sidebar1';
	}

	return $classes;
}
add_filter( 'themify_body_classes', 'custom_body_classes' );

function change_portfolio_singular_layout() {
	global $themify;

	if( is_singular( 'portfolio' ) ) {
		$themify->layout = 'sidebar-1';
	}
}
add_action( 'themify_content_after', 'change_portfolio_singular_layout' );