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  1. <?php
  2.  
  3. class Klasemen {
  4.     private $poin = [];
  5.  
  6.     public function __construct($klubList) {
  7.         foreach ($klubList as $klub) {
  8.             $this->poin[$klub] = 0;
  9.         }
  10.     }
  11.  
  12.     public function catatPermainan($klubKandang, $klubTandang, $skor) {
  13.         list($skorKandang, $skorTandang) = explode(':', $skor);
  14.         $skorKandang = (int)$skorKandang;
  15.         $skorTandang = (int)$skorTandang;
  16.  
  17.         if ($skorKandang > $skorTandang) {
  18.             $this->poin[$klubKandang] += 3;
  19.         } elseif ($skorKandang < $skorTandang) {
  20.             $this->poin[$klubTandang] += 3;
  21.         } else {
  22.             $this->poin[$klubKandang] += 1;
  23.             $this->poin[$klubTandang] += 1;
  24.         }
  25.     }
  26.  
  27.     public function cetakKlasemen() {
  28.         arsort($this->poin);
  29.         return $this->poin;
  30.     }
  31.  
  32.     public function ambilPeringkat($nomorPeringkat) {
  33.         $hasilKlasemen = $this->cetakKlasemen();
  34.         $namaKlub = array_keys($hasilKlasemen);
  35.  
  36.         if ($nomorPeringkat > 0 && $nomorPeringkat <= count($namaKlub)) {
  37.             return $namaKlub[$nomorPeringkat - 1];
  38.         }
  39.  
  40.         return null;
  41.     }
  42. }
  43.  
  44. $klasemen = new Klasemen(['Liverpool', 'Chelsea', 'Arsenal']);
  45.  
  46. $klasemen->catatPermainan('Arsenal', 'Liverpool', '2:1');
  47. $klasemen->catatPermainan('Arsenal', 'Chelsea', '1:1');
  48. $klasemen->catatPermainan('Chelsea', 'Arsenal', '0:3');
  49. $klasemen->catatPermainan('Chelsea', 'Liverpool', '3:2');
  50. $klasemen->catatPermainan('Liverpool', 'Arsenal', '2:2');
  51. $klasemen->catatPermainan('Liverpool', 'Chelsea', '0:0');
  52.  
  53. echo "Klasemen:\n";
  54. print_r($klasemen->cetakKlasemen());
  55.  
  56. echo "\nPeringkat ke-2: " . $klasemen->ambilPeringkat(2) . "\n";
  57.  
  58. ?>
Success #stdin #stdout 0.03s 25916KB
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Klasemen:
Array
(
    [Arsenal] => 8
    [Chelsea] => 5
    [Liverpool] => 2
)

Peringkat ke-2: Chelsea
https://ideone.com/lrLaJm
language:
PHP (php 7.3.5)
created:
15 days ago
visibility:
public

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