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  1. <?php
  2.  
  3. class Klasemen
  4. {
  5.     private $poinKlub = [];
  6.  
  7.     public function __construct($daftarKlub)
  8.     {
  9.         foreach ($daftarKlub as $klub) {
  10.             $this->poinKlub[$klub] = 0;
  11.         }
  12.     }
  13.  
  14.     public function catatPermainan($klubKandang, $klubTandang, $skor)
  15.     {
  16.  
  17.         list($skorKandang, $skorTandang) = explode(':', $skor);
  18.         $skorKandang = (int)$skorKandang;
  19.         $skorTandang = (int)$skorTandang;
  20.  
  21.         if ($skorKandang > $skorTandang) {
  22.             $this->poinKlub[$klubKandang] += 3;
  23.         } elseif ($skorKandang < $skorTandang) {
  24.             $this->poinKlub[$klubTandang] += 3;
  25.         } else {
  26.             // Seri
  27.             $this->poinKlub[$klubKandang] += 1;
  28.             $this->poinKlub[$klubTandang] += 1;
  29.         }
  30.     }
  31.  
  32.     public function cetakKlasemen()
  33.     {
  34.         arsort($this->poinKlub);
  35.         return $this->poinKlub;
  36.     }
  37.  
  38.     public function ambilPeringkat($peringkat)
  39.     {
  40.         $klasemen = $this->cetakKlasemen();
  41.         $klubList = array_keys($klasemen);
  42.  
  43.         if ($peringkat < 1 || $peringkat > count($klubList)) {
  44.             return null; // Kalau out of range
  45.         }
  46.  
  47.         return $klubList[$peringkat - 1];
  48.     }
  49. }
  50.  
  51. $klasemen = new Klasemen(['Liverpool', 'Chelsea', 'Arsenal']);
  52.  
  53. $klasemen->catatPermainan('Arsenal', 'Liverpool', '2:1');
  54. $klasemen->catatPermainan('Arsenal', 'Chelsea', '1:1');
  55. $klasemen->catatPermainan('Chelsea', 'Arsenal', '0:3');
  56. $klasemen->catatPermainan('Chelsea', 'Liverpool', '3:2');
  57. $klasemen->catatPermainan('Liverpool', 'Arsenal', '2:2');
  58. $klasemen->catatPermainan('Liverpool', 'Chelsea', '0:0');
  59.  
  60. print_r($klasemen->cetakKlasemen());
  61.  
  62. echo 'Peringkat ke-2: ' . $klasemen->ambilPeringkat(2);
  63.  
Success #stdin #stdout 0.04s 25476KB
comments (?)
stdin 
Standard input is empty
stdout 
Array
(
    [Arsenal] => 8
    [Chelsea] => 5
    [Liverpool] => 2
)
Peringkat ke-2: Chelsea
https://ideone.com/HbxDj0
language:
PHP (php 7.3.5)
created:
19 days ago
visibility:
public

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