fork download
copy 
  1. <?php
  2. namespace Valid;
  3.  
  4. class ArgumentException extends \Exception
  5. {
  6.     public function __invoke() {
  7.         throw $this;
  8.     }
  9. }
  10.  
  11. class CouldBeAnyObjectForExampleLogger
  12. {
  13.     public function __construct($argument) {
  14.         $this->argument = $argument;
  15.     }
  16.     public function __invoke() {
  17.         // log something to file
  18.     }
  19. }
  20.  
  21. class Email
  22. {
  23.     public function __construct($email) {
  24.         new Is(new Same($email, 'ya@ty.sobaka'), new CouldBeAnyObjectForExampleLogger($email), new ArgumentException($email));
  25.     }
  26. }
  27.  
  28. class Is
  29. {
  30.     public function __construct($expression, $do, $not) {
  31.         $this->expression = $expression;
  32.         $this->do = $do;
  33.         $this->not = $not;
  34.  
  35.         $this();
  36.     }
  37.  
  38.     public function __invoke() {
  39.         $this->expression->__invoke() ? $this->do->__invoke() : $this->not->__invoke();
  40.     }
  41.  
  42.     public function __toString() {
  43.         throw new \TypeException(); //Can't stringify expression!
  44.     }
  45. }
  46.  
  47. class Same
  48. {
  49.     public function __construct($one, $two) {
  50.         $this->one = $one;
  51.         $this->two = $two;
  52.     }
  53.     public function __invoke() {
  54.         return $this->one === $this->two;
  55.     }
  56.     public function __toString() {
  57.         return (string)$this();
  58.     }
  59. }
  60.  
  61. print "first try is ok \n";
  62.  
  63. try {
  64.     new \Valid\Email('ya@ty.sobaka');
  65. } catch (\Exception $e) {
  66.     print $e->getMessage() . " is not a valid login";
  67. }
  68.  
  69. print "\nsecond try should throw exception\n";
  70.  
  71. try {
  72.     new \Valid\Email('ya@ty.kowaka');
  73. } catch (\Exception $e) {
  74.     print $e->getMessage() . " is not a valid login";
  75. }
Success #stdin #stdout 0s 82880KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
first try is ok 

second try should throw exception
ya@ty.kowaka is not a valid login
https://ideone.com/DazJGT
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!