Bug #68746 [NEW]: preg_split doesn't always split when it should

From: mr_platelet+jin6vr at fastmail dot fm Operating system: FreeBSD PHP version: 5.4.36 Package: PCRE related Bug Type: Bug Bug description:preg_split doesn't always split when it should Description: ------------ I doubt it's relevant, but the following is my `configure' command, as output by "php -i": './configure' '--prefix=/usr/local/php/5.4.36-nfsn1' '--includedir=/usr/local/php/5.4.36-nfsn1/include/' '--libdir=/usr/local/php/5.4.36-nfsn1' '--mandir=/usr/local/php/5.4.36-nfsn1/man/' '--with-config-file-path=/usr/local/php/5.4.36-nfsn1/etc/' '--disable-all' '--with-openssl' '--disable-cgi' '--enable-cli' '--enable-libxml' '--enable-xml' '--enable-simplexml' '--enable-pdo' '--with-mysql=mysqlnd' '--with-pdo-mysql=mysqlnd' '--with-mysqli=mysqlnd' '--with-pcre-regex=/usr/local' '--with-pear=/usr/local/php/5.4.36-nfsn1/lib/' Test script: --------------- echo count( preg_split( '@\s*\n\s*\n\s*@', "aa bb\n\ncc dd\n \nee ff\n\n", PREG_SPLIT_NO_EMPTY ) ), "\n"; Expected result: ---------------- I expect the following to be printed: 3 Actual result: -------------- The following is printed: 1 -- Edit bug report at https://bugs.php.net/bug.php?id=68746&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68746&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68746&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68746&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68746&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68746&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68746&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68746&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68746&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68746&r=support Expected behavior: https://bugs.php.net/fix.php?id=68746&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68746&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68746&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68746&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68746&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68746&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68746&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68746&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68746&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68746&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68746&r=mysqlcfg