#34217 [NEW]: Requesting array_unique() function that works with multi-dimensional arrays.

From: nickj-phpbugs at nickj dot org Operating system: * PHP version: 5CVS-2005-08-23 (snap) PHP Bug Type: Feature/Change Request Bug description: Requesting array_unique() function that works with multi-dimensional arrays. Description: ------------ Requesting array_unique() function to work correctly with multi-dimensional arrays (or a new function that does the same thing, so as to retain backwards compatibility) Script: =================================================== <?php $array = array (1 => array(1, 2, 3), 2 => array(1, 2), 3 => array(1, 3, 4), 4 => array(1, 2), 5 => array(1, 3, 4) ); $array = array_unique ($array); print_r ($array); ?> =================================================== Current actual output: =================================================== ludo:~/tmp/php-5.1-dev/array_unique# ../../php5-200507102230/sapi/cli/php ./test.php Array ( [1] => Array ( [0] => 1 [1] => 2 [2] => 3 ) ) ludo:~/tmp/php-5.1-dev/array_unique# =================================================== Desired output: =================================================== ludo:~/tmp/php-5.1-dev/array_unique# ../../php5-200507102230/sapi/cli/php ./test.php Array ( [1] => Array ( [0] => 1 [1] => 2 [2] => 3 ) [4] => Array ( [0] => 1 [1] => 2 ) [5] => Array ( [0] => 1 [1] => 3 [2] => 4 ) ) ludo:~/tmp/php-5.1-dev/array_unique# =================================================== Note the order of the keys isn't a big concern to me, although others may be concerned about this. Various bogus bugs that people have logged when the encountering this behaviour: Bug #16715, Bug #12690, Bug #13403, Bug #10891, Bug #12789, Bug #12528 I couldn't see a feature request for this though, so that's what this is. -- Edit bug report at http://bugs.php.net/?id=34217&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=34217&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=34217&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=34217&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=34217&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=34217&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=34217&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=34217&r=needscript Try newer version: http://bugs.php.net/fix.php?id=34217&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=34217&r=support Expected behavior: http://bugs.php.net/fix.php?id=34217&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=34217&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=34217&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=34217&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=34217&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=34217&r=dst IIS Stability: http://bugs.php.net/fix.php?id=34217&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=34217&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=34217&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=34217&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=34217&r=mysqlcfg