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  1. <?php
  2.  
  3. class Kamus 
  4. {
  5. 	private $data = [];
  6.  
  7. 	public function tambah($word, $synonyms)
  8. 	{
  9. 		foreach($synonyms as $s)
  10. 		{
  11. 			if($s === $word)
  12. 			{
  13. 				continue;
  14. 			}
  15. 			$this->link($word, $s);
  16. 			$this->link($s, $word); // two-way relation
  17. 		}
  18. 	}	
  19.  
  20. 	public function ambilSinonim($word)
  21. 	{
  22. 		if(!isset($this->data[$word]))
  23. 		{
  24. 			return null;
  25. 		}
  26. 		return array_keys($this->data[$word]);
  27. 	}
  28.  
  29. 	private function link($a, $b)
  30. 	{
  31. 		if (!isset($this->data[$a])){
  32. 			$this->data[$a] = [];
  33. 		}
  34. 		$this->data[$a][$b] = true;
  35. 	}
  36. }
  37.  
  38. function show($dictionary, $word)
  39. {
  40. 	$result = $dictionary->ambilSinonim($word);
  41. 	if($result === null)
  42. 	{
  43. 		echo "* `$word` → `NULL`\n";
  44. 	}
  45. 	else
  46. 	{
  47. 		echo "* `$word` → `[" . implode(', ', $result) . "]`\n";
  48. 	}
  49. }
  50.  
  51. $kamus = new Kamus();
  52. $kamus->tambah('big', ['large', 'great']);
  53. $kamus->tambah('big', ['huge', 'fat']);
  54. $kamus->tambah('huge', ['enormous', 'gigantic']);
  55.  
  56. show($kamus, 'big');
  57. show($kamus, 'huge');
  58. show($kamus, 'gigantic');
  59. show($kamus, 'colossal');
Success #stdin #stdout 0.02s 26244KB
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* `big` → `[large, great, huge, fat]`
* `huge` → `[big, enormous, gigantic]`
* `gigantic` → `[huge]`
* `colossal` → `NULL`
https://ideone.com/MliikW
language:
PHP (php 7.3.5)
created:
2 hours ago
visibility:
public

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