From: knivey at botops dot net Operating system: Ubuntu 12.04LTS PHP version: 5.5.0beta3 Package: Scripting Engine problem Bug Type: Bug Bug description:execution operator `` stealing surrounding arguments
Description: ------------ When used the execution operator ` as an argument passed to a class method, you will end up with a seg fault or invalid args to shell_exec error Test script: --------------- <?PHP class cat { public function show_output($prepend, $output = '') {echo $prepend . $output;} public function show_out($output) {echo $output;} } $cat = new cat(); $cat->show_output('Files: ', trim(`ls`)); // this gives invalid args to shell_exec $cat->show_output('Files: ', `ls`); // this causes a segmentation fault $cat->show_out(`ls`); // this causes a segmentation fault function show_outputa($prepend, $output) {echo $prepend . $output;} show_outputa('Files: ', `ls`); // this works as expected -- Edit bug report at https://bugs.php.net/bug.php?id=64677&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=64677&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=64677&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=64677&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=64677&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=64677&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=64677&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=64677&r=needscript Try newer version: https://bugs.php.net/fix.php?id=64677&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=64677&r=support Expected behavior: https://bugs.php.net/fix.php?id=64677&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=64677&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=64677&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=64677&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64677&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=64677&r=dst IIS Stability: https://bugs.php.net/fix.php?id=64677&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=64677&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=64677&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=64677&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=64677&r=mysqlcfg