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  1. <?php
  2.  
  3. class User {}
  4. class Contact {}
  5.  
  6. class MyClass {
  7.  
  8.     private $handler;
  9.  
  10.     public function setHandlerWithoutCheck($function) {
  11.         $this->handler = $function;
  12.     }
  13.  
  14.     public function setHandlerWithCheck($function) {
  15.         try {
  16.             $r = new ReflectionFunction($function);
  17.         } catch (ReflectionException $e) {
  18.             throw new InvalidArgumentException('Invalid callback passed.');
  19.         }
  20.         if ($r->getNumberOfParameters() !== 2) {
  21.             throw new InvalidArgumentException('The callback must have exactly 2 arguments.');
  22.         }
  23.         static $d = array('User', 'Contact');
  24.         foreach ($r->getParameters() as $i => $p) {
  25.             if (!$c = $p->getClass() or strcasecmp($c->getName(), $d[$i])) {
  26.                 throw new InvalidArgumentException(sprintf(
  27.                     'The argument #%d must have type hinting: %s',
  28.                     $i + 1,
  29.                     $d[$i]
  30.                 ));
  31.             }
  32.         }
  33.         $this->handler = $function;
  34.     }
  35.  
  36. }
  37.  
  38. $obj = new MyClass;
  39. $handler = function (User $user, Contact $contact) {};
  40. $max = 100000;
  41. $without = 0.0;
  42. $with = 0.0;
  43. for ($i = 0; $i < $max; ++$i) {
  44.     $a = microtime(true);
  45.     $obj->setHandlerWithoutCheck($handler);
  46.     $b = microtime(true);
  47.     $without += $b - $a;
  48.     unset($a, $b);
  49. }
  50. for ($i = 0; $i < $max; ++$i) {
  51.     $a = microtime(true);
  52.     $obj->setHandlerWithCheck($handler);
  53.     $b = microtime(true);
  54.     $with += $b - $a;
  55.     unset($a, $b);
  56. }
  57. printf("without check... sum:%f ave:%f\n", $without, $without / $max);
  58. printf("   with check... sum:%f ave:%f\n", $with, $with / $max);
Success #stdin #stdout 1.26s 20568KB
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without check... sum:0.083990 ave:0.000001
   with check... sum:0.993105 ave:0.000010
https://ideone.com/OmF010
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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