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Examples of usage of constants in php classes

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Release： 2016-07-25 08:56:11
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  2. class Employee {
  3. //Define constants
  4. const AVAILABLE = 0;
  5. const OUT_OF_STOCK = 1;
  6. public $status;
  7. }
  8. print Employee::AVAILABLE;
  9. ?>
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Example 2, define constants in classes

  3. class math_functions {

  4. //Define constant
  5. const PI = '3.14159265';
  6. const E = '2.7182818284';
  7. const EULER = '0.57721 56649';
  8. / * Define other constants and methods here... */
  9. }

  10. echo math_functions::PI;

  11. ?>

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Related labels：
php类中常量的用法举例
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