Bug #62491 [NEW]: Iterating over items + dba_delete not working

From: marc-bennewitz at arcor dot de Operating system: openSUSE 11.3 (x86_64) PHP version: 5.4.4 Package: DBM/DBA related Bug Type: Bug Bug description:Iterating over items + dba_delete not working Description: ------------ With some handlers it's not possible to iterate over items if there will be items deleted within iteration. Test script: --------------- // Script to delete items with specific prefix $dba = dba_open(sys_get_temp_dir() . DIRECTORY_SEPARATOR . uniqid('zfcache_dba_'), 'c', 'qdbm'); dba_insert('key1', 'value', $dba); dba_insert('test2', 'value', $dba); dba_insert('key3', 'value', $dba); dba_insert('test4', 'value', $dba); dba_insert('key5', 'value', $dba); $key = dba_firstkey($dba); var_dump($key); while ($key !== false) { $key = dba_nextkey($dba); var_dump($key); } echo '#############################' . PHP_EOL; $key = dba_firstkey($dba); while ($key !== false) { if (substr($key, 0, 3) === 'key') { var_dump($key); dba_delete($key, $dba); } $key = dba_nextkey($dba); } echo '#############################' . PHP_EOL; $key = dba_firstkey($dba); var_dump($key); while ($key !== false) { $key = dba_nextkey($dba); var_dump($key); } Expected result: ---------------- string(4) "key1" string(5) "test2" string(4) "key3" string(5) "test4" string(4) "key5" bool(false) ############################# string(4) "key1" string(4) "key3" string(4) "key5" ############################# string(5) "test2" string(5) "test4" bool(false) Actual result: -------------- flatfile -> correct inifile -> wrong (breaks iteration after first delete) gdbm -> wrong (breaks iteration after first delete) qdbm -> correct db4 -> correct -- Edit bug report at https://bugs.php.net/bug.php?id=62491&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=62491&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=62491&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=62491&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=62491&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=62491&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=62491&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=62491&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=62491&r=needscript Try newer version: https://bugs.php.net/fix.php?id=62491&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=62491&r=support Expected behavior: https://bugs.php.net/fix.php?id=62491&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=62491&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=62491&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=62491&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=62491&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=62491&r=dst IIS Stability: https://bugs.php.net/fix.php?id=62491&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=62491&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=62491&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=62491&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=62491&r=mysqlcfg