From: floyd dot mcmichael at alaska dot gov Operating system: windows PHP version: 5.2.5 PHP Bug Type: *Regular Expressions Bug description: preg_replace() returns blank string
Description: ------------ preg_replace blanks a string that it didn't use to in previous versions of PHP 5.x. other preg_replace strings not affected Reproduce code: --------------- function doSmiles($string, $skinname) { $patterns = array( "/\[alien\]/i", ... snipped due to length ... "/\[crazy\]/i" ); $replacements = array( "<img src=\"./skin/$skinname/emotes/alien.png\" alt=\"alien\" title=\"alien\">", ... snip due to length ... "<img src=\"./skin/$skinname/emotes/crazy.png\" src=\"./skin/$skinname/emotes/crazy.png\" alt=\"crazy\" title=\"crazy\">" ); $string = preg_replace($patterns, $replacements, $string); return $string; } Expected result: ---------------- print substrings like [alien] to html-valid strings like <img src="./skin/default/alien.png">. prior to upgrading to 5.2.5 this particular function DID work. it no longer works. Actual result: -------------- returns a blank string "" -- Edit bug report at http://bugs.php.net/?id=43872&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=43872&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=43872&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=43872&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=43872&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=43872&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=43872&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=43872&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=43872&r=needscript Try newer version: http://bugs.php.net/fix.php?id=43872&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=43872&r=support Expected behavior: http://bugs.php.net/fix.php?id=43872&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=43872&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=43872&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=43872&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=43872&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=43872&r=dst IIS Stability: http://bugs.php.net/fix.php?id=43872&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=43872&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=43872&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=43872&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=43872&r=mysqlcfg