Bug #60992 [NEW]: Trim / rtrim bug when we need to delete extension

From: Operating system: windows PHP version: 5.3.10 Package: Strings related Bug Type: Bug Bug description:Trim / rtrim bug when we need to delete extension Description: ------------ If we need to delete from a file name its extension using trim or rtrim function, the return value is uncorrect when your file name is ended with an 's' characters. Exemple : rtrim('users.js', '.js'); => will return user instead of users Test script: --------------- var_dump(rtrim('users.js', 'js')); // users. OK var_dump(rtrim('users.', '.')); //users OK var_dump(rtrim('users.js', '.js')); // user instead of users KO var_dump(trim('users.php', '.php')); // user instead of users KO var_dump(rtrim('correct.js', '.js')); //correct OK var_dump(trim('ssss.js', '.js')); // empty string instead of ssss KO Expected result: ---------------- var_dump(rtrim('users.js', 'js')); // users. var_dump(rtrim('users.', '.')); //users var_dump(rtrim('users.js', '.js')); // users var_dump(trim('users.php', '.php')); // users var_dump(rtrim('correct.js', '.js')); //correct var_dump(trim('ssss.js', '.js')); // sss -- Edit bug report at https://bugs.php.net/bug.php?id=60992&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=60992&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=60992&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=60992&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=60992&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=60992&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=60992&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=60992&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=60992&r=needscript Try newer version: https://bugs.php.net/fix.php?id=60992&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=60992&r=support Expected behavior: https://bugs.php.net/fix.php?id=60992&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=60992&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=60992&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=60992&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=60992&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=60992&r=dst IIS Stability: https://bugs.php.net/fix.php?id=60992&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=60992&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=60992&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=60992&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=60992&r=mysqlcfg