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  1. <?php
  2.  
  3.  
  4. class ExternalPost
  5. {
  6. 	private $reactions;
  7.  
  8. 	private $comments;
  9.  
  10. 	private $shares;
  11.  
  12. 	public function __construct(Reactions $reactions = null, Comments $comments = null, Shares $shares = null) 
  13. 	{
  14. 	    $this->reactions = $reactions;
  15. 	    $this->comments = $comments;
  16. 	    $this->shares = $shares;
  17. 	}
  18.  
  19. 	public function getReactions()
  20. 	{
  21.         if (null === $this->reactions) {
  22. 			$this->reactions = new Reactions;
  23. 		}
  24. 		return $this->reactions;
  25. 	}
  26.  
  27. 	public function getComments()
  28. 	{
  29.         if(null === $this->comments) {
  30. 	    	$this->comments = new Comments;
  31. 	    }
  32. 		return $this->comments;
  33. 	}
  34.  
  35. 	public function getShares()
  36. 	{
  37. 	    if (null === $this->shares) {
  38. 	    	$this->shares = new Shares;
  39. 	    }
  40. 		return $this->shares;
  41. 	}
  42.  
  43. 	public function getTotal() 
  44. 	{
  45. 		return $this->getReactions()->getTotal() + 
  46. 			$this->getComments()->getTotal() + 
  47. 			$this->getShares()->getCount();
  48. 	}
  49. }
  50.  
  51. class Summary 
  52. {
  53. 	private $total_count = 0;
  54.  
  55. 	public function getTotalCount() 
  56. 	{
  57. 		return $this->total_count;
  58. 	}
  59.  
  60. 	public function setTotalCount($total)
  61. 	{
  62. 		$this->total_count = $total;
  63.  
  64. 		return $this;
  65. 	}
  66. }
  67.  
  68. abstract class Summation 
  69. {
  70. 	protected $summary;
  71.  
  72. 	public function __construct(Summary $summary = null) 
  73. 	{
  74. 		if (null === $summary) {
  75. 			$summary = new Summary;
  76. 		}
  77. 		$this->summary = $summary;
  78. 	}
  79.  
  80. 	public function getTotal() 
  81. 	{
  82. 		return $this->summary->getTotalCount();
  83. 	}
  84.  
  85. 	public function setTotal($total)
  86. 	{
  87. 		$this->summary->setTotalCount($total);
  88.  
  89. 		return $this;
  90. 	}
  91. }
  92.  
  93. class Reactions extends Summation{}
  94.  
  95. class Comments extends Summation{}
  96.  
  97. class Shares 
  98. {
  99. 	private $count = 0;
  100.  
  101. 	public function getCount() 
  102. 	{
  103. 		return $this->count;
  104. 	}
  105.  
  106. 	public function setCount($count)
  107. 	{
  108. 		$this->count = $count;
  109.  
  110. 		return $this;
  111. 	}
  112. }
  113.  
  114.  
  115. $reactions = new Reactions;
  116. $reactions->setTotal(1);
  117.  
  118. $comments = new Comments;
  119. $reactions->setTotal(2);
  120.  
  121. $ExternalPost = new ExternalPost($reactions, $comments);
  122. $ExternalPost->getShares()->setCount(3);
  123.  
  124. var_dump($ExternalPost->getTotal());
Success #stdin #stdout 0.02s 52432KB
comments (?)
stdin 
Standard input is empty
stdout 
int(5)
https://ideone.com/oqSYNd
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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