/** * check if openads tables already exist in the specified database * * @return boolean */ function checkExistingTables() { $result = true; $aExistingTables = OA_DB_Table::listOATablesCaseSensitive(); $oldTableMessagePrefix = 'Your database contains an old OpenX configuration table: '; $oldTableMessagePostfix = 'If you are trying to upgrade this database, please copy your existing configuration file into the var folder of this install. If you wish to proceed with a fresh installation, please either choose a new Table Prefix or a new Database.'; if (in_array($this->aDsn['table']['prefix'] . 'config', $aExistingTables)) { $this->oLogger->logError($oldTableMessagePrefix . $this->aDsn['table']['prefix'] . 'config. ' . $oldTableMessagePostfix); return false; } if (in_array($this->aDsn['table']['prefix'] . 'preference', $aExistingTables)) { $this->oLogger->logError($oldTableMessagePrefix . $this->aDsn['table']['prefix'] . 'preference. ' . $oldTableMessagePostfix); return false; } if (in_array($this->aDsn['table']['prefix'] . 'preferences', $aExistingTables)) { $this->oLogger->logError($oldTableMessagePrefix . $this->aDsn['table']['prefix'] . 'preferences. ' . $oldTableMessagePostfix); return false; } $tablePrefixError = false; foreach ($aExistingTables as &$tablename) { if (substr($tablename, 0, strlen($this->aDsn['table']['prefix'])) == $this->aDsn['table']['prefix']) { $result = false; $this->oLogger->log('Table with the prefix ' . $this->aDsn['table']['prefix'] . ' found: ' . $tablename); if ($tablePrefixError == false) { $this->oLogger->logError('The database you have chosen already contains tables with the prefix ' . $this->aDsn['table']['prefix']); $this->oLogger->logError('Please either remove these tables or choose a new prefix'); $tablePrefixError = true; } } } return $result; }