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Date: Fri, 27 Feb 2015 09:06:43 +0100
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Subject: BC break between PHP 5.6.5 and PHP 5.6.6
From: sebastian@php.net (Sebastian Bergmann)

 While working on PHPUnit today I noticed one test of its own test
 suite failing on PHP 5.6.6 that passes on PHP 5.6.5. The details of
 this can be found at

   https://github.com/sebastianbergmann/phpunit/issues/1630

 Florian Margaine reduced the problem to the following minimal,
 self-contained, reproducing script:

     1 <?php
     2 class Foo extends Exception
     3 {
     4     public function __construct()
     5     {
     6         $this->code = 123;
     7     }
     8 }
     9
    10 try
    11 {
    12     throw new Foo;
    13 }
    14
    15 catch (Exception $e)
    16 {
    17     assert($e->code === 123);
    18 }

 The above script works as expected on PHP 5.6.5 but errors out on
 PHP 5.6.6:

   PHP Fatal error: Cannot access protected property Foo::$code in
   /home/sb/exception.php on line 17
   PHP Stack trace:
   PHP   1. {main}() /home/sb/exception.php:0

 I do not see a change in http://php.net/ChangeLog-5.php#5.6.6 that would
 explain this.