MicroFrameWork/app/foo.php

<?php


namespace app;
class foo
{
    public array $informationArray;

    /**
     * @param array $columns
     * @param array $data
     * @param string $title
     * @return string|null
     */
    public function createJsonArray(array $columns, array $data, string $title): ?string
    {
        if ($columns && $data) {
            $this->informationArray = [
                "meta" => [
                    "title" => $title,
                    "columns" => $columns,
                    "perPage" => 10,
                    "currentPage" => 1,
                    "params" =>
                        [
                            "class" => "table table-bordered",
                            "border" => "1"
                        ]
                ],
                "data" => $data
            ];
            return $this->toJson($this->informationArray);
        }
        return null;
    }

    /**
     * @param array $infArr
     * @return string|null
     */
    protected function toJson(array $infArr): ?string
    {
        if ($infArr)
            return json_encode($infArr, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
        return null;
    }
}