#45067 [NEW]: empty(array_diff(...)) cause Fatal error

From: jjahson at gmail dot com Operating system: WXP(sp3),OSX 10.5.2,FreeBSD 6.3 PHP version: 5.2.6 PHP Bug Type: Reproducible crash Bug description: empty(array_diff(...)) cause Fatal error Description: ------------ I tried to compare two arrays and check result for emptyness - all these in one line, but instead I got a Fatal error. If I assign return value of array_diff to variable and then check its emptyness - it works just like I expect. Reproduce code: --------------- <?php empty(array_diff(array(1,2), array(1,2))); ?> Expected result: ---------------- true Actual result: -------------- Fatal error: Can't use function return value in write context in example.php on line 1 -- Edit bug report at http://bugs.php.net/?id=45067&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=45067&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=45067&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=45067&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=45067&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=45067&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=45067&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=45067&r=needscript Try newer version: http://bugs.php.net/fix.php?id=45067&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=45067&r=support Expected behavior: http://bugs.php.net/fix.php?id=45067&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=45067&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=45067&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=45067&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=45067&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=45067&r=dst IIS Stability: http://bugs.php.net/fix.php?id=45067&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=45067&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=45067&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=45067&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=45067&r=mysqlcfg