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[![Latest Stable Version]](https://packagist.org/packages/wikimedia/cdb) [![License]](https://packagist.org/packages/wikimedia/cdb)
CDB functions for PHP
=====================
[CDB][], short for "constant database", refers to a very fast and highly
reliable database system which uses a simple file with key value pairs. This
library wraps the CDB functionality exposed in PHP via the `dba_*` functions.
In cases where `dba_*` functions are not present or are not compiled with CDB
support, a pure-PHP implementation is provided for falling back.
Additional documentation about the library can be found on
[mediawiki.org](https://www.mediawiki.org/wiki/CDB).
Usage
-----
```php
// Reading a CDB file
$cdb = Cdb\Reader::open( 'db.cdb' );
$foo = $cdb->get( 'somekey' );
// Writing to a CDB file
$cdb = Cdb\Writer::open( 'anotherdb.cdb' );
$cdb->set( 'somekey', $foo );
```
// Using the CLI
$ cdb ./myfile.cdb [get|list|match] <parameter>
Running tests
-------------
composer install --prefer-dist
composer test
History
-------
This library was first introduced in [MediaWiki 1.16][] ([r52203][]). It was
split out of the MediaWiki codebase and published as an independent library
during the [MediaWiki 1.25][] development cycle.
---
[CDB]: https://en.wikipedia.org/wiki/cdb_(software)
[MediaWiki 1.16]: https://www.mediawiki.org/wiki/MediaWiki_1.16
[r52203]: https://www.mediawiki.org/wiki/Special:Code/MediaWiki/52203
[MediaWiki 1.25]: https://www.mediawiki.org/wiki/MediaWiki_1.25
[Latest Stable Version]: https://poser.pugx.org/wikimedia/cdb/v/stable.svg
[License]: https://poser.pugx.org/wikimedia/cdb/license.svg

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