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  1. <?php
  2.  
  3. ini_set('display_errors', 1); ini_set('display_startup_errors', 1); error_reporting(E_ALL);
  4.  
  5. class O {
  6.  private $X;
  7.  
  8.  function __construct($x) {
  9.  	$this->X = $x;
  10.  }
  11.  function swap($otherO) {
  12.  	echo $this->X.' '.$otherO->X."\n";
  13.  
  14.     $otherOX = $otherO->X;
  15.     $otherO->X = $this->X;
  16.     $this->X = $otherOX;
  17.  
  18.     echo $this->X.' '.$otherO->X;
  19.   }
  20. }
  21.  
  22.  
  23.  
  24. $L = new O(2);
  25. $R = new O(10);
  26.  
  27. $L->swap($R);
Success #stdin #stdout 0.02s 24344KB
comments (?)
stdin 
Standard input is empty
stdout 
2 10
10 2
https://ideone.com/rFHblg
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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