$alltags= array();

                        $args = array(
                            'order' => 'ASC',
                            'orderby' => 'menu_order',
                            'hierarchical' => 1,
                            'exclude' => '',
                            'include' => '',
                            'meta_key' => '',
                            'meta_value' => '',
                            'authors' => '',
                            'child_of' => 0,
                            'parent' => $id,
                            'exclude_tree' => '',
                            'number' => '',
                            'offset' => 0,
                            'post_type' => 'page',
                            'post_status' => 'publish',
                            'cat'         => 399,
                            'posts_per_page'  =>100,
                        );

                        $query = new WP_Query( $args );

                        $pages = $query->posts;

                        foreach($pages as $page) {

                           // echo "<pre>";
                            //print_r($page);
                            //echo "</pre>";

                            //$meta = get_post_meta($page->ID, '', true);

                            $tags = wp_get_post_tags($page->ID);

                            if ($tags) {

                                foreach ($tags as $tag) {

                                      // $tag->name = str_replace('&', "", $tag->name);

                                       array_push($alltags, $tag->name);

                                }
                            }



                          }

                          $uniquetag = array_unique($alltags);
                          asort($uniquetag);
                          array_unshift($uniquetag , 'All');
                            echo "<pre>";
                            print_r($uniquetag);
                            echo "</pre>";
                            ?>
        <div class="row">
            <div class="toolbar mb2 mt2">
                <?php
                if($uniquetag){
                   foreach ($uniquetag as $key => $value) {  if($value =='Addhomeportfolio') { }
                   else {
                     ?>
<button class="btn fil-cat" data-rel="<?php $string = str_replace(' ', '', $value); echo $string = str_replace('&', "", $string); ?>"><?php echo $value; ?></button>
                    <?php
                           }     }
                }
               ?>
            </div>
        </div>