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  1. <?php
  2.  
  3. class Klasemen {
  4.     private $klubList;
  5.     private $poinKlub;
  6.  
  7.     public function __construct($klubList) {
  8.         $this->klubList = $klubList;
  9.         $this->poinKlub = array();
  10.  
  11.         foreach ($klubList as $klub) {
  12.             $this->poinKlub[$klub] = 0;
  13.         }
  14.     }
  15.  
  16.     public function catatPermainan($klubKandang, $klubTandang, $skor) {
  17.         $skorArray = explode(':', $skor);
  18.         $skorKandang = (int)$skorArray[0];
  19.         $skorTandang = (int)$skorArray[1];
  20.  
  21.         if ($skorKandang > $skorTandang) {
  22.             $this->poinKlub[$klubKandang] += 3;
  23.         } elseif ($skorKandang < $skorTandang) {
  24.             $this->poinKlub[$klubTandang] += 3;
  25.         } else {
  26.             $this->poinKlub[$klubKandang] += 1;
  27.             $this->poinKlub[$klubTandang] += 1;
  28.         }
  29.     }
  30.  
  31.     public function cetakKlasemen() {
  32.         arsort($this->poinKlub);
  33.         return $this->poinKlub;
  34.     }
  35.  
  36.     public function ambilPeringkat($nomorPeringkat) {
  37.         $klasemenTerurut = $this->cetakKlasemen();
  38.         $klubArray = array_keys($klasemenTerurut);
  39.  
  40.         if ($nomorPeringkat > 0 && $nomorPeringkat <= count($klubArray)) {
  41.             return $klubArray[$nomorPeringkat - 1];
  42.         }
  43.  
  44.         return null;
  45.     }
  46. }
  47.  
  48. $klasemen = new Klasemen(['Liverpool', 'Chelsea', 'Arsenal']);
  49.  
  50. $klasemen->catatPermainan('Arsenal', 'Liverpool', '2:1');
  51. $klasemen->catatPermainan('Arsenal', 'Chelsea', '1:1');
  52. $klasemen->catatPermainan('Chelsea', 'Arsenal', '0:3');
  53. $klasemen->catatPermainan('Chelsea', 'Liverpool', '3:2');
  54. $klasemen->catatPermainan('Liverpool', 'Arsenal', '2:2');
  55. $klasemen->catatPermainan('Liverpool', 'Chelsea', '0:0');
  56.  
  57. echo "Klasemen:\n";
  58. $hasil = $klasemen->cetakKlasemen();
  59. foreach ($hasil as $klub => $poin) {
  60.     echo "$klub: $poin poin\n";
  61. }
  62.  
  63. echo "\nPeringkat 2: " . $klasemen->ambilPeringkat(2) . "\n";
  64.  
  65. echo "\nVerifikasi hasil:\n";
  66. print_r($klasemen->cetakKlasemen());
  67.  
  68. ?>
Success #stdin #stdout 0.03s 25996KB
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Klasemen:
Arsenal: 8 poin
Chelsea: 5 poin
Liverpool: 2 poin

Peringkat 2: Chelsea

Verifikasi hasil:
Array
(
    [Arsenal] => 8
    [Chelsea] => 5
    [Liverpool] => 2
)
https://ideone.com/re3WxZ
language:
PHP (php 7.3.5)
created:
4 days ago
visibility:
public

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