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  1. <?php
  2.  
  3. class Phone
  4. {
  5.     public function addnewnumber($name, $number)
  6.     {
  7.         echo "Phone::addnnewnumber\n";
  8.     }
  9. }
  10.  
  11. class Proxy
  12. {
  13.     private $_target;
  14.     public function __construct($target)
  15.     {
  16.         $this->_target = $target;
  17.     }
  18.  
  19.     public function __call($name, $params)
  20.     {
  21.         $callable = array($this->_target, $name);
  22.         if (!is_callable($callable)) {
  23.             trigger_error('Call to undefined method '.
  24.                            get_class($this->_target).'::'.$name, E_USER_ERROR);
  25.         }
  26.  
  27.         return $this->dispatch($callable, $params);
  28.     }
  29.  
  30.     protected function dispatch($callable, $params)
  31.     {
  32.         return call_user_func_array($callable, $params);
  33.     }
  34. }
  35.  
  36. class LoggingProxy extends Proxy
  37. {
  38.     protected function dispatch($callable, $params)
  39.     {
  40.         echo "Before calling ".get_class($callable[0]).'::'.$callable[1]."\n";
  41.         $return = parent::dispatch($callable, $params);
  42.         echo "After calling ".get_class($callable[0]).'::'.$callable[1]."\n";
  43.         return $return;
  44.     }
  45. }  
  46.  
  47. $a = new LoggingProxy(new Phone);
  48. $a->addnewnumber(1, 2);
Success #stdin #stdout 0.02s 13112KB
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stdin
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Standard input is empty
stdout
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Before calling Phone::addnewnumber
Phone::addnnewnumber
After calling Phone::addnewnumber
https://ideone.com/rCqRDs
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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