Bug #16528: Incompatible behaviour of arrays (and maybe other vars)

From: ssilk@fidion.de Operating system: linux PHP version: 4.1.2 PHP Bug Type: *Programming Data Structures Bug description: Incompatible behaviour of arrays (and maybe other vars) In PHP 4.0 you can write the following: ... $a=''; if ( empty($a['bla']) ) ... There are no errors or warnings, even if all warnings has been put on (as we do). in PHP 4.1 this code complains the missing index 'bla': Warning: Uninitialized string offset: 0 in .... Workarround: if ( empty($a) and empty($a['bla']) ) .... which seems not to be very logical. $a['bla'] must be empty, if $a is empty... -- Edit bug report at http://bugs.php.net/?id=16528&edit=1 -- Fixed in CVS: http://bugs.php.net/fix.php?id=16528&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=16528&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=16528&r=needtrace Try newer version: http://bugs.php.net/fix.php?id=16528&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=16528&r=support Expected behavior: http://bugs.php.net/fix.php?id=16528&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=16528&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=16528&r=submittedtwice