#39808 [NEW]: null does not set default in function

From: david at 1st-affiliation dot com Operating system: fedora core 4 PHP version: 5.2.0 PHP Bug Type: Scripting Engine problem Bug description: null does not set default in function Description: ------------ Hi Since I upgrade the php version, the comportement of the function default argument as change. Previously, when I set a parameter to "null" the function use the default value of the parameter. Now it kept the null value, and I do not find a another way to set the default value. See the code for more information Reproduce code: --------------- <?php function eat ($what='apple') { print 'I eat '.$what; } eat(null); ?> Expected result: ---------------- I eat apple Actual result: -------------- I eat -- Edit bug report at http://bugs.php.net/?id=39808&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=39808&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=39808&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=39808&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=39808&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=39808&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=39808&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=39808&r=needscript Try newer version: http://bugs.php.net/fix.php?id=39808&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=39808&r=support Expected behavior: http://bugs.php.net/fix.php?id=39808&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=39808&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=39808&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=39808&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39808&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=39808&r=dst IIS Stability: http://bugs.php.net/fix.php?id=39808&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=39808&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=39808&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=39808&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=39808&r=mysqlcfg