<?php
        require_once "./ProgramJAO.php";
        $program = new ProgramJAO();
        $program->main();
        print_r($program->wynik);
      ?>

<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 * Description of ProgramJAO
 *
 * @author student
 */
class ProgramJAO {
    //put your code here
    public $wynik;

       public function main(){
         $zbiory = array(); //1
         $zbior = array(); //1
        $plik = fopen('dane.txt', 'r'); //3
        $znaki = array(" ", "\t", "\r", "\n");
        $noweZnaki = "";
        if(FALSE ===$plik){
            throw new Exception('Blad przy otwieraniu pliku');
        }
            while(FALSE === feof($plik)){//4
                $linia = fgets($plik, 4096);
                if(FALSE === $linia){//4.2
                    break;
                }
                $linia = str_replace($znaki, $noweZnaki, $linia);//4.3
                $znak1 = substr($linia, 0, 1);
                $znakN = substr($linia, -1);
                if($znak1 !== "{" && $znakN !== "}"){//4.4
                    break;
                }
                $linia = rtrim($linia, "{");//4.5
                $linia = ltrim($linia, "}");

                $zbior = explode(",", $linia);//4.6
                $zbiory[] = $zbior;//4.7
            }
            fclose($plik);//5
            $this->wynik = $zbiory;//6
        }
}