function compatChecks()
{
$test = new PhpXmlBugTester();
if (!$test->ok) {
$this->error("Your system has a combination of PHP and libxml2 versions which is buggy\n" . "and can cause hidden data corruption in MediaWiki and other web apps.\n" . "Upgrade to PHP 5.2.9 or later and libxml2 2.7.3 or later!\n" . "ABORTING (see http://bugs.php.net/bug.php?id=45996).\n", true);
}
$test = new PhpRefCallBugTester();
$test->execute();
if (!$test->ok) {
$ver = phpversion();
$this->error("PHP {$ver} is not compatible with MediaWiki due to a bug involving\n" . "reference parameters to __call. Upgrade to PHP 5.3.2 or higher, or \n" . "downgrade to PHP 5.3.0 to fix this.\n" . "ABORTING (see http://bugs.php.net/bug.php?id=50394 for details)\n", true);
}
}
function compatChecks() {
// Avoid syntax error in PHP4
$minimumPcreVersion = constant( 'Installer::MINIMUM_PCRE_VERSION' );
list( $pcreVersion ) = explode( ' ', PCRE_VERSION, 2 );
if ( version_compare( $pcreVersion, $minimumPcreVersion, '<' ) ) {
$this->error(
"PCRE $minimumPcreVersion or later is required.\n" .
"Your PHP binary is linked with PCRE $pcreVersion.\n\n" .
"More information:\n" .
"https://www.mediawiki.org/wiki/Manual:Errors_and_symptoms/PCRE\n\n" .
"ABORTING.\n",
true );
}
$test = new PhpXmlBugTester();
if ( !$test->ok ) {
$this->error(
"Your system has a combination of PHP and libxml2 versions which is buggy\n" .
"and can cause hidden data corruption in MediaWiki and other web apps.\n" .
"Upgrade to PHP 5.2.9 or later and libxml2 2.7.3 or later!\n" .
"ABORTING (see http://bugs.php.net/bug.php?id=45996).\n",
true );
}
$test = new PhpRefCallBugTester;
$test->execute();
if ( !$test->ok ) {
$ver = phpversion();
$this->error(
"PHP $ver is not compatible with MediaWiki due to a bug involving\n" .
"reference parameters to __call. Upgrade to PHP 5.3.2 or higher, or \n" .
"downgrade to PHP 5.3.0 to fix this.\n" .
"ABORTING (see http://bugs.php.net/bug.php?id=50394 for details)\n",
true );
}
}
/**
* Test PHP (probably 5.3.1, but it could regress again) to make sure that
* reference parameters to __call() are not converted to null
*/
protected function envCheckPHP531()
{
$test = new PhpRefCallBugTester();
$test->execute();
if (!$test->ok) {
$this->showError('config-using531', phpversion());
return false;
}
}
/**
* Test for PHP bug #50394 (PHP 5.3.x conversion to null only, not 5.2.x)
*/
class PhpRefCallBugTester
{
public $ok = false;
function __call($name, $args)
{
$old = error_reporting(E_ALL & ~E_WARNING);
call_user_func_array(array($this, 'checkForBrokenRef'), $args);
error_reporting($old);
}
function checkForBrokenRef(&$var)
{
if ($var) {
$this->ok = true;
}
}
function execute()
{
$var = true;
call_user_func_array(array($this, 'foo'), array(&$var));
}
}
$test = new PhpRefCallBugTester();
$test->execute();
if (!$test->ok) {
echo "Test failed\n";
} else {
echo "Test passed\n";
}
