includes/installer/PhpBugTests.php

   1 <?php
   2 /**
   3  * Classes for self-contained tests for known bugs in PHP.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @defgroup PHPBugTests PHP known bugs tests
  22  */
  23
  24 /**
  25  * Test for PHP+libxml2 bug which breaks XML input subtly with certain versions.
  26  * Known fixed with PHP 5.2.9 + libxml2-2.7.3
  27  * @see http://bugs.php.net/bug.php?id=45996
  28  * @ingroup PHPBugTests
  29  */
  30 class PhpXmlBugTester {
  31         private $parsedData = '';
  32         public $ok = false;
  33         public function __construct() {
  34                 $charData = '<b>c</b>';
  35                 $xml = '<a>' . htmlspecialchars( $charData ) . '</a>';
  36
  37                 $parser = xml_parser_create();
  38                 xml_set_character_data_handler( $parser, array( $this, 'chardata' ) );
  39                 $parsedOk = xml_parse( $parser, $xml, true );
  40                 $this->ok = $parsedOk && ( $this->parsedData == $charData );
  41         }
  42         public function chardata( $parser, $data ) {
  43                 $this->parsedData .= $data;
  44         }
  45 }
  46
  47 /**
  48  * Test for PHP bug #50394 (PHP 5.3.x conversion to null only, not 5.2.x)
  49  * @see http://bugs.php.net/bug.php?id=50394
  50  * @ingroup PHPBugTests
  51  */
  52 class PhpRefCallBugTester {
  53         public $ok = false;
  54
  55         function __call( $name, $args ) {
  56                 $old = error_reporting( E_ALL & ~E_WARNING );
  57                 call_user_func_array( array( $this, 'checkForBrokenRef' ), $args );
  58                 error_reporting( $old );
  59         }
  60
  61         function checkForBrokenRef( &$var ) {
  62                 if ( $var ) {
  63                         $this->ok = true;
  64                 }
  65         }
  66
  67         function execute() {
  68                 $var = true;
  69                 call_user_func_array( array( $this, 'foo' ), array( &$var ) );
  70         }
  71 }