Generating sidebars

if (!function_exists('pi_widgets_init')) {

    function pi_widgets_init() {

        register_sidebar(array(
            'name' => __('Main Sidebar', 'pi_framework'),
            'id' => 'sidebar-1',
            'description' => __('Blog page widget area', 'pi_framework'),
            'before_widget' => '<li id="%1$s" class="widget %2$s clearfix">',
            'after_widget' => "</li>",
            'before_title' => '<div class="title"><h6>',
            'after_title' => '</h6></div>',
        ));

        register_sidebar(array(
            'name' => __('Footer Area One', 'pi_framework'),
            'id' => 'sidebar-2',
            'description' => __('An optional widget area for your site footer', 'pi_framework'),
            'before_widget' => '<li id="%1$s" class="widget %2$s">',
            'after_widget' => "</li>",
            'before_title' => '<div class="title"><h6>',
            'after_title' => '</h6></div>'
        ));

        register_sidebar(array(
            'name' => __('Footer Area Two', 'pi_framework'),
            'id' => 'sidebar-3',
            'description' => __('An optional widget area for your site footer', 'pi_framework'),
            'before_widget' => '<li id="%1$s" class="widget %2$s">',
            'after_widget' => "</li>",
            'before_title' => '<div class="title"><h6>',
            'after_title' => '</h6></div>'
        ));

        register_sidebar(array(
            'name' => __('Footer Area Three', 'pi_framework'),
            'id' => 'sidebar-4',
            'description' => __('An optional widget area for your site footer', 'pi_framework'),
            'before_widget' => '<li id="%1$s" class="widget %2$s">',
            'after_widget' => "</li>",
            'before_title' => '<div class="title"><h6>',
            'after_title' => '</h6></div>'
        ));

        register_sidebar(array(
            'name' => __('Footer Area Four', 'pi_framework'),
            'id' => 'sidebar-5',
            'description' => __('An optional widget area for your site footer', 'pi_framework'),
            'before_widget' => '<li id="%1$s" class="widget %2$s">',
            'after_widget' => "</li>",
            'before_title' => '<div class="title"><h6>',
            'after_title' => '</h6></div>'
        ));

        $args = array(
            'post_type' => 'page',
            'posts_per_page' => -1,
            'meta_query' => array(
                'relation' => 'OR',
                array(
                    'key' => 'pg_sidebar',
                    'value' => 'left',
                    'compare' => '='
                ),
                array(
                    'key' => 'pg_sidebar',
                    'value' => 'right',
                    'compare' => '='
                )
        ));

        // create sidebar for pages with left or right sidebar
        $page_with_sidebar = new WP_Query($args);
        if ($page_with_sidebar->have_posts()) {
            while ($page_with_sidebar->have_posts()) : $page_with_sidebar->the_post();
                $sidebar_title = get_the_title();
                $sidebar_id = "pixel-industry-sidebar-" . get_the_id();
                register_sidebar(array(
                    'name' => $sidebar_title,
                    'id' => $sidebar_id,
                    'description' => __('An optional widget area for page ', 'pi_framework') . $sidebar_title,
                    'before_widget' => '<li id="%1$s" class="widget %2$s clearfix">',
                    'after_widget' => "</li>",
                    'before_title' => '<div class="title"><h5>',
                    'after_title' => '</h5></div>'
                ));
            endwhile;
        }

        wp_reset_query();
    }

}
add_action('widgets_init', 'pi_widgets_init');