diff options
Diffstat (limited to 'phpBB/phpbb/config_php_file.php')
| -rw-r--r-- | phpBB/phpbb/config_php_file.php | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/phpBB/phpbb/config_php_file.php b/phpBB/phpbb/config_php_file.php index ba8d3a0d9d..c0aa3567e6 100644 --- a/phpBB/phpbb/config_php_file.php +++ b/phpBB/phpbb/config_php_file.php @@ -124,4 +124,51 @@ class config_php_file return true; } + + /** + * Convert either 3.0 dbms or 3.1 db driver class name to 3.1 db driver class name. + * + * If $dbms is a valid 3.1 db driver class name, returns it unchanged. + * Otherwise prepends phpbb\db\driver\ to the dbms to convert a 3.0 dbms + * to 3.1 db driver class name. + * + * @param string $dbms dbms parameter + * @return string driver class + * @throws \RuntimeException + */ + public function convert_30_dbms_to_31($dbms) + { + // Note: this check is done first because mysqli extension + // supplies a mysqli class, and class_exists($dbms) would return + // true for mysqli class. + // However, per the docblock any valid 3.1 driver name should be + // recognized by this function, and have priority over 3.0 dbms. + if (strpos($dbms, 'phpbb\db\driver') === false && class_exists('phpbb\db\driver\\' . $dbms)) + { + return 'phpbb\db\driver\\' . $dbms; + } + + if (class_exists($dbms)) + { + // Additionally we could check that $dbms extends phpbb\db\driver\driver. + // http://php.net/manual/en/class.reflectionclass.php + // Beware of possible performance issues: + // http://stackoverflow.com/questions/294582/php-5-reflection-api-performance + // We could check for interface implementation in all paths or + // only when we do not prepend phpbb\db\driver\. + + /* + $reflection = new \ReflectionClass($dbms); + + if ($reflection->isSubclassOf('phpbb\db\driver\driver')) + { + return $dbms; + } + */ + + return $dbms; + } + + throw new \RuntimeException("You have specified an invalid dbms driver: $dbms"); + } } |