<?php

namespace App\Libraries;

class KpdlLibrary
{
    //private $fixedKey = session('nip');

    public function single_array($a, $key)
    {
        $ret = [];
        foreach ($a as $b) {
            array_push($ret, floatval($b->$key));
        }
        for ($i = 0; $i < 12; $i++) {
            if (!isset($ret[$i])) {
                array_push($ret, 0);
            }
        }
        return $ret;
    }

}