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php5 destructor usage example

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Release： 2016-07-25 08:53:54
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  2. /*
  3. * to change the template for this generated file go to
  4. * window - preferences - phpeclipse - php - code templates
  5. */
  6. class student{
  7. //属性
  8. private $no;
  9. private $name;
  10. private $gender;
  11. private $age;
  13. private static $count=0;
  14. function __construct($pname)
  15. {
  16. $this->name = $pname;
  17. self::$count++;
  18. }
  20. function __destruct()
  21. {
  22. self::$count--;
  23. }
  25. static function get_count()
  26. {
  27. return self::$count;
  28. }
  29. }
  31. $s1=new student("tom");
  32. print(student::get_count());
  34. $s2=new student("jerry");
  35. print(student::get_count());
  37. $s1=null;
  38. print(student::get_count());
  40. $s2=null;
  41. print(student::get_count());
  42. ?>
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以上实例展示了php5析构函数的用法。



Related labels：
php5析构函数用法示例
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