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  1. <?php
  2.  
  3. class Kamus {
  4.     private $data = [];
  5.  
  6.     // tambah kata + daftar sinonim (relasi dua arah)
  7.     public function tambah(string $kata, array $sinonim): void {
  8.         if (!isset($this->data[$kata])) {
  9.             $this->data[$kata] = [];
  10.         }
  11.  
  12.         foreach ($sinonim as $s) {
  13.             // tambah s ke kata (hindari duplikasi)
  14.             if (!in_array($s, $this->data[$kata], true)) {
  15.                 $this->data[$kata][] = $s;
  16.             }
  17.  
  18.             // pastikan node s ada
  19.             if (!isset($this->data[$s])) {
  20.                 $this->data[$s] = [];
  21.             }
  22.  
  23.             // tambah kata ke s (relasi balik), hindari duplikasi
  24.             if (!in_array($kata, $this->data[$s], true)) {
  25.                 $this->data[$s][] = $kata;
  26.             }
  27.         }
  28.     }
  29.  
  30.     // ambil daftar sinonim (atau null jika tidak ada)
  31.     public function ambilSinonim(string $kata) {
  32.         if (!isset($this->data[$kata])) {
  33.             return null;
  34.         }
  35.         return $this->data[$kata];
  36.     }
  37. }
  38.  
  39.  
  40. // ===== Pengujian sesuai contoh =====
  41.  
  42. $kamus = new Kamus();
  43. $kamus->tambah('big', ['large', 'great']);
  44. $kamus->tambah('big', ['huge', 'fat']);
  45. $kamus->tambah('huge', ['enormous', 'gigantic']);
  46.  
  47. print_r($kamus->ambilSinonim('big'));
  48. print_r($kamus->ambilSinonim('huge'));
  49. print_r($kamus->ambilSinonim('gigantic'));
  50. var_dump($kamus->ambilSinonim('colossal'));
  51.  
Success #stdin #stdout 0.02s 25648KB
comments (?)
stdin 
Standard input is empty
stdout 
Array
(
    [0] => large
    [1] => great
    [2] => huge
    [3] => fat
)
Array
(
    [0] => big
    [1] => enormous
    [2] => gigantic
)
Array
(
    [0] => huge
)
NULL
https://ideone.com/kXH2Ts
language:
PHP (php 7.3.5)
created:
4 days ago
visibility:
public

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