Get pages inside CMB class

backend-page-query.php

				case 'page_select':
					echo '<select name="', $field['id'], '" id="', $field['id'], '">';
					$linked_items = get_posts(array(
						'post_type'			=> array ('page',),
						'post_status'		=> 'publish',
						'posts_per_page'	=> -1,
						'orderby'			=> 'modified',
						'order'				=> 'DESC'
						));
					foreach ($linked_items as $linked_item) {
						echo '<option value="', $linked_item->ID, '"', $meta == $linked_item->ID ? ' selected="selected"' : '', '>', $linked_item->post_title, '</option>';
					}
					echo '</select>';
					echo '<p class="cmb_metabox_description">', $field['desc'], '</p>';
					break;