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<?php /** * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * http://www.gnu.org/copyleft/gpl.html */ namespace Cdb\Reader; use Cdb\Exception; use Cdb\Reader; /** * Reader class which uses the DBA extension (php-dba) */ class DBA extends Reader { /** * @var resource|false|null The file handle */ protected $handle; public function __construct( $fileName ) { $this->handle = dba_open( $fileName, 'r-', 'cdb' ); if ( !$this->handle ) { throw new Exception( 'Unable to open CDB file "' . $fileName . '"' ); } } public function close(): void { if ( $this->handle ) { dba_close( $this->handle ); } $this->handle = null; } public function get( $key ) { return dba_fetch( (string)$key, $this->handle ); } public function exists( $key ): bool { return dba_exists( (string)$key, $this->handle ); } public function firstkey() { return dba_firstkey( $this->handle ); } public function nextkey() { return dba_nextkey( $this->handle ); } }
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