php - How to combine array results of foreach inside of it -


i trying display products wishlist, woocommerce plugin. also, want make wishlist sortable connect db , if row given unique id not there, display products category unorganised.

if there unique id should display items there. right displays $row following:

array (      [0] => 237      [1] => 243      [2] => 266  )  array (      [0] => 237      [1] => 243      [2] => 266  )  array (      [0] => 237      [1] => 243      [2] => 266  )

due 3 products being in same category, displays them 3 @ once.

        <?php         // db conn         $mysqli = new mysqli(             "localhost",             "root",             "root",             "nest"         );         // new wishist         $wishlist = new wc_wishlists_wishlist( $_get['wlid'] );         // products wishlist         $wishlist_items = wc_wishlists_wishlist_item_collection::get_items( $wishlist->id, true );         // counter - useless @ moment         $counter = 0;         // loop through products         foreach ( $wishlist_items $wishlist_item_key => $item ) {             $counter++;             // product id             $product_id = apply_filters( 'woocommerce_cart_item_product_id', $item['product_id'], $item, $wishlist_item_key );             // categories             $cats = get_the_terms($product_id, 'product_cat');              // loop categories             foreach ($cats $cat) {                 // slug                 $product_cat = $cat->slug;             }             // wishlist id set in database primary key - unique.             $wlid_cats = $product_cat . $wishlist->id;              // query results             $result = $mysqli->query("                 select list                  sortable                  wlid_cats = '$wlid_cats' "             );              // results parsed $row             $row = $result->fetch_array(mysqli_num);              if (isset($row)) {                 // change string array                 $row = implode(' ', $row);                 // split array item[0] diff items.                 $row = preg_split("/[\s,]+/", $row);             }             // product data             $_product   = wc_get_product( $item['data'] );             if ( $_product->exists() && $item['quantity'] > 0 ) {                 $product_permalink = apply_filters( 'woocommerce_cart_item_permalink', $_product->is_visible() ? $_product->get_permalink( $item ) : '', $item, $wishlist_item_key );                 // $cate function parameter asks category displayed                 if  ($product_cat == $cate && empty($row)) {                 ?>                         <!--saved jquery reasons - post db-->                         <p style="display: none" id="<?= $wishlist->id ?>"  class="<?= $wishlist->id ?> "><?= $cate ?></p>                         <li class="product-thumbnail" type="<?= $cate ?>" id="product-<?= $product_id ?>">                             <?php                             // gets thumbnail , displays                              $thumbnail = apply_filters('woocommerce_cart_item_thumbnail', $_product->get_image(), $item, $wishlist_item_key);                             echo $wlid_cats;                             if (!$product_permalink) {                                 echo $thumbnail;                             } else {                                 printf('<a href="%s">%s</a>', esc_url($product_permalink), $thumbnail);                             }                             ?>                         </li>                         <?php                 } elseif (!empty($row)) {                      // i'm stuck                     print_r($row);                  }              }         } ?>

how can merge output 1 array instead of 3?

make new global array 

$narray = array();

and after in condition

elseif (!empty($row)) {           // i'm stuck      $narray[] = $row; // add array } $result = array_map("unserialize", array_unique(array_map("serialize", $narray))); print_r($result);

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