productos y categorias mlv

getdata.php

 $categories = [];
    $count = count($it);
    for ($i = 0; $i < $count ; $i++) {
        $item = $meli->get("/items/" . $it[$i]);
        $category = $meli->get("/categories/" . $item['body']->category_id);
        $cats = [];
        try {
            foreach ($category['body']->path_from_root as $value) {
                $cats[] = $value->id;
                $categories[$value->id] = ["ml_id" => $value->id, "name" => $value->name];
            }
        }
        catch(Exception $e) {
            echo 'Caught exception: ', $e->getMessage(), "\n";
        }
        try {
            $productos = ['ml_id' => $item['body']->id, 'title' => $item['body']->title, 'categories' => rtrim(implode(',', $cats), ','), 'price' => $item['body']->price, 'image' => $item['body']->pictures[0]->url];
            $database->insert("productos", $productos);

        }
        catch(Exception $e) {
            echo 'Caught exception: ', $e->getMessage(), "\n";
        }
    }
    foreach ($categories as $value) {
        $database->insert("categorias", $value);
    }