<?php
$items = [
            ['sort' => 1],
            ['sort' => 3],
            ['sort' => 5],
            ['name' => 'item 1'],
                [
                    ['sort' => 8],
                    ['sort' => 10],
                ]
            ];

    $sum = 0;
   /* foreach ($items as $key => $item) {
        foreach ($item as $key =>  $sort){*/


        foreach ($items as $item) {
           $sum += $item['sort'];
    }
        echo $item[1];

?>