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  */
  22
  23 /**
  24  * @defgroup PHPBugTests PHP known bugs tests
  25  */
  26 /**
  27  * Test for PHP+libxml2 bug which breaks XML input subtly with certain versions.
  28  * Known fixed with PHP 5.2.9 + libxml2-2.7.3
  29  * @see https://bugs.php.net/bug.php?id=45996
  30  * @ingroup PHPBugTests
  31  */
  32 class PhpXmlBugTester {
  33         private $parsedData = '';
  34         public $ok = false;
  35
  36         public function __construct() {
  37                 $charData = '<b>c</b>';
  38                 $xml = '<a>' . htmlspecialchars( $charData ) . '</a>';
  39
  40                 $parser = xml_parser_create();
  41                 xml_set_character_data_handler( $parser, [ $this, 'chardata' ] );
  42                 $parsedOk = xml_parse( $parser, $xml, true );
  43                 $this->ok = $parsedOk && ( $this->parsedData == $charData );
  44         }
  45
  46         public function chardata( $parser, $data ) {
  47                 $this->parsedData .= $data;
  48         }
  49 }