#44621 [NEW]: preg_split with NO_EMPTY is buggy when splitting on greedy patterns

From: mpb dot mail at gmail dot com Operating system: Linux PHP version: 5.2.5 PHP Bug Type: PCRE related Bug description: preg_split with NO_EMPTY is buggy when splitting on greedy patterns Description: ------------ preg_split with PREG_SPLIT_NO_EMPTY is buggy when splitting on greedy patterns. See reproduce code. preg_split in PHP 4.4.8 similarly buggy. Reproduce code: --------------- <?php $s = " 1 2 3 "; print_r (preg_split ("/ +/", $s)); print_r (preg_split ("/ +/", $s, PREG_SPLIT_NO_EMPTY)); ?> Expected result: ---------------- Array ( [0] => [1] => 1 [2] => 2 [3] => 3 [4] => ) Array ( [0] => 1 [1] => 2 [2] => 3 ) Actual result: -------------- Array ( [0] => [1] => 1 [2] => 2 [3] => 3 [4] => ) Array ( [0] => 1 2 3 ) -- Edit bug report at http://bugs.php.net/?id=44621&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=44621&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=44621&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=44621&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=44621&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=44621&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=44621&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=44621&r=needscript Try newer version: http://bugs.php.net/fix.php?id=44621&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=44621&r=support Expected behavior: http://bugs.php.net/fix.php?id=44621&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=44621&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=44621&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=44621&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=44621&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=44621&r=dst IIS Stability: http://bugs.php.net/fix.php?id=44621&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=44621&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=44621&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=44621&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=44621&r=mysqlcfg