#43533 [NEW]: escapeshellarg('') returns null

From: josephk at etelos dot com Operating system: Cent OS 5 PHP version: 5.2.5 PHP Bug Type: *Directory/Filesystem functions Bug description: escapeshellarg('') returns null Description: ------------ escapeshellarg() returns null when passed an empty string instead of returning an empty string. The documentation doesn't say anything about giving a return value of null. Reproduce code: --------------- <?php var_dump(escapeshellarg('')); ?> Expected result: ---------------- string '' Actual result: -------------- null -- Edit bug report at http://bugs.php.net/?id=43533&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=43533&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=43533&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=43533&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=43533&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=43533&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=43533&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=43533&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=43533&r=needscript Try newer version: http://bugs.php.net/fix.php?id=43533&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=43533&r=support Expected behavior: http://bugs.php.net/fix.php?id=43533&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=43533&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=43533&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=43533&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=43533&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=43533&r=dst IIS Stability: http://bugs.php.net/fix.php?id=43533&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=43533&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=43533&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=43533&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=43533&r=mysqlcfg