From: jana dot vasseru at gmail dot com Operating system: W2000 PHP version: 5.2.4 PHP Bug Type: *Regular Expressions Bug description: reg_replace returns empty string on certain data
Description: ------------ On certain data preg_replace() returns empty string. The code below works correctly on PHP 5.1.6 Reproduce code: --------------- <?php $data = file_get_contents('src.sql'); echo strlen($data).'<br>'; $data = preg_replace("#INSERT\\sINTO([\\s\\S]*?)INSERT\\sINTO#", "\$DELTA_SCRIPT[] = 'INSERT INTO\\1'; \$DELTA_SCRIPT[] = 'INSERT INTO", $data); $data = preg_replace("#CREATE\\sTABLE([\\s\\S]*?)[^']INSERT\\sINTO#", "CREATE TABLE \\1 \$DELTA_SCRIPT[] = 'INSERT INTO", $data); echo strlen($data); //returns 0 here ?> Expected result: ---------------- Return whatever but empty string. Actual result: -------------- Returns empty string. -- Edit bug report at http://bugs.php.net/?id=42678&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=42678&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=42678&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=42678&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=42678&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=42678&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=42678&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=42678&r=needscript Try newer version: http://bugs.php.net/fix.php?id=42678&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=42678&r=support Expected behavior: http://bugs.php.net/fix.php?id=42678&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=42678&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=42678&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=42678&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42678&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=42678&r=dst IIS Stability: http://bugs.php.net/fix.php?id=42678&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=42678&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=42678&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=42678&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=42678&r=mysqlcfg