Bug #69064 [NEW]: extract() and null value

From: mruz at poczta dot onet dot pl Operating system: openSUSE Tumbleweed PHP version: 5.6.5 Package: *General Issues Bug Type: Bug Bug description:extract() and null value Description: ------------ If the array key has null value it isn't extracted to variable. Is it correct behaviour? Test script: --------------- <?php $arr = [ 'username' => 'mruz', 'email' => null, 'age' => 0, 'website' => false ]; extract($arr); var_dump(isset($username), isset($email), isset($age), isset($website)); Expected result: ---------------- bool(true) bool(true) bool(true) bool(true) Actual result: -------------- bool(true) bool(false) bool(true) bool(true) -- Edit bug report at https://bugs.php.net/bug.php?id=69064&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=69064&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=69064&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=69064&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=69064&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=69064&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=69064&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=69064&r=needscript Try newer version: https://bugs.php.net/fix.php?id=69064&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=69064&r=support Expected behavior: https://bugs.php.net/fix.php?id=69064&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=69064&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=69064&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=69064&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=69064&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=69064&r=dst IIS Stability: https://bugs.php.net/fix.php?id=69064&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=69064&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=69064&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=69064&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=69064&r=mysqlcfg