#38313 [NEW]: array_unique does not work

From: philsci at firstbrand dot co dot jp Operating system: Windows XP Pro, Linux (redhat) PHP version: 5.1.4 PHP Bug Type: Performance problem Bug description: array_unique does not work Description: ------------ $arr_list = array( 'philsci@firstbrand.co.jp', 'philsci@firstbrand.co.jp' ); print_r( $arr_list ); echo '<br />'; array_unique( $arr_list ); print_r( $arr_list ); echo '<br />'; --------------- shows: Array ( [0] => philsci@firstbrand.co.jp [1] => philsci@firstbrand.co.jp ) Array ( [0] => philsci@firstbrand.co.jp [1] => philsci@firstbrand.co.jp ) so, array_unique does not work at all. Expected result: ---------------- $arr_list = array( 'philsci@firstbrand.co.jp', 'philsci@firstbrand.co.jp' ); print_r( $arr_list ); echo '<br />'; array_unique( $arr_list ); print_r( $arr_list ); echo '<br />'; --------------- should be shown as: Array ( [0] => philsci@firstbrand.co.jp [1] => philsci@firstbrand.co.jp ) Array ( [0] => philsci@firstbrand.co.jp ) Actual result: -------------- $arr_list = array( 'philsci@firstbrand.co.jp', 'philsci@firstbrand.co.jp' ); print_r( $arr_list ); echo '<br />'; array_unique( $arr_list ); print_r( $arr_list ); echo '<br />'; -- Edit bug report at http://bugs.php.net/?id=38313&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=38313&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=38313&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=38313&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=38313&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=38313&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=38313&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=38313&r=needscript Try newer version: http://bugs.php.net/fix.php?id=38313&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=38313&r=support Expected behavior: http://bugs.php.net/fix.php?id=38313&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=38313&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=38313&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=38313&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=38313&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=38313&r=dst IIS Stability: http://bugs.php.net/fix.php?id=38313&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=38313&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=38313&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=38313&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=38313&r=mysqlcfg