#49753 [NEW]: Current directory in shutdown function leaks between requests

From: ant at specialops dot ath dot cx Operating system: Linux 2.6.30 (gentoo) PHP version: 5.3.0 PHP Bug Type: Scripting Engine problem Bug description: Current directory in shutdown function leaks between requests Description: ------------ In 5.3.0 one of my scripts stopped working due to the behaviour documented at the bottom of the register_shutdown_function page. The actual problem is that if I change the directory in the shutdown function, that change persists across requests and can end up in completely unrelated scripts' shutdown function calls. Reproduce code: --------------- <?php echo "Script A\n"; function test() { echo getcwd() . "\n"; if ( file_exists('file.inc') ) { include 'file.inc'; } } register_shutdown_function('test'); ?> <?php echo "Script B\n"; function change() { chdir('/tmp/'); file_put_contents('file.inc', '<?php echo "something nasty\n"; ?>'); } register_shutdown_function('change'); ?> Expected result: ---------------- Script A /var/www/localhost/htdocs/ Script B Script A /var/www/localhost/htdocs/ Actual result: -------------- Script A /var/www/localhost/htdocs/ Script B Script A /tmp something nasty -- Edit bug report at http://bugs.php.net/?id=49753&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=49753&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=49753&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=49753&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=49753&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=49753&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=49753&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=49753&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=49753&r=needscript Try newer version: http://bugs.php.net/fix.php?id=49753&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=49753&r=support Expected behavior: http://bugs.php.net/fix.php?id=49753&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=49753&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=49753&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=49753&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=49753&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=49753&r=dst IIS Stability: http://bugs.php.net/fix.php?id=49753&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=49753&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=49753&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=49753&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=49753&r=mysqlcfg