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  1. <?php
  2.  
  3. class Book
  4. {
  5. 	protected $price;
  6.     protected $title;
  7.  
  8.     public function setPrice($par)
  9.     {
  10.        $this->price = $par;
  11.        return $this;
  12.     }
  13.  
  14.     public function getPrice()
  15.     {
  16.     	return $this->price;
  17.     }
  18.  
  19.     public function setTitle($par)
  20.     {
  21.     	$this->title = $par;
  22.     	return $this;
  23.     }
  24.  
  25.     public function getTitle()
  26.     {
  27.        return $this->title;
  28.     }
  29. }
  30.  
  31. $physics = new Book;
  32. $maths = new Book;
  33. $chemistry = new Book;
  34.  
  35. $physics->setTitle( "Physics for High School" )->setPrice( 10 );
  36. $chemistry->setTitle( "Advanced Chemistry" )->setPrice( 15 );
  37. $maths->setTitle( "Algebra" )->setPrice( 7 );
  38.  
  39. echo $physics->getTitle() . PHP_EOL;
  40. echo $chemistry->getTitle() . PHP_EOL;
  41. echo $maths->getTitle() . PHP_EOL;
  42. echo $physics->getPrice() . PHP_EOL;
  43. echo $chemistry->getPrice() . PHP_EOL;
  44. echo $maths->getPrice() . PHP_EOL;
Success #stdin #stdout 0.01s 24400KB
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Physics for High School
Advanced Chemistry
Algebra
10
15
7
https://ideone.com/yTU3PB
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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