README.md


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# [jQuery UI](http://jqueryui.com/) - Interactions and Widgets for the web

jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of jQuery. Whether you're building highly interactive web applications, or you just need to add a date picker to a form control, jQuery UI is the perfect choice.

If you want to use jQuery UI, go to [jqueryui.com](http://jqueryui.com) to get started, [jqueryui.com/demos/](http://jqueryui.com/demos/) for demos, [api.jqueryui.com](http://api.jqueryui.com/) for API documentation, or the [Using jQuery UI Forum](http://forum.jquery.com/using-jquery-ui) for discussions and questions.

If you want to report a bug/issue, please visit [bugs.jqueryui.com](http://bugs.jqueryui.com).

If you are interested in helping develop jQuery UI, you are in the right place.
To discuss development with team members and the community, visit the [Developing jQuery UI Forum](http://forum.jquery.com/developing-jquery-ui) or [#jqueryui-dev on irc.freenode.net](http://irc.jquery.org/).


## For Contributors

If you want to help and provide a patch for a bugfix or new feature, please take
a few minutes and look at [our Getting Involved guide](http://wiki.jqueryui.com/w/page/35263114/Getting-Involved).
In particular check out the [Coding standards](http://wiki.jqueryui.com/w/page/12137737/Coding-standards)
and [Commit Message Style Guide](http://contribute.jquery.org/commits-and-pull-requests/#commit-guidelines).

In general, fork the project, create a branch for a specific change and send a
pull request for that branch. Don't mix unrelated changes. You can use the commit
message as the description for the pull request.

For more information, see the [contributing page](CONTRIBUTING.md).

## Running the Unit Tests

Run the unit tests manually with appropriate browsers and any local web server. See our [environment setup](CONTRIBUTING.md#environment-minimum-required) and [information on running tests](CONTRIBUTING.md#running-the-tests).

You can also run the unit tests inside phantomjs by [setting up your environment](CONTRIBUTING.md#user-content-environment-recommended-setup).

## Building jQuery UI

jQuery UI uses the [Grunt](http://gruntjs.com/) build system.

To build jQuery UI, [set up your environment](CONTRIBUTING.md#environment-minimum-required) and then run the following commands:

```sh
# Run the concat task to concatenate files
grunt concat

# There are many other tasks that can be run through Grunt.
# For a list of all tasks:
grunt --help
```

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<?php
/**
 * @author Lukas Reschke <lukas@owncloud.com>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Robin McCorkell <rmccorkell@karoshi.org.uk>
 *
 * @copyright Copyright (c) 2015, ownCloud, Inc.
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\Memcache;

abstract class Cache implements \ArrayAccess, \OCP\ICache {
	/**
	 * @var string $prefix
	 */
	protected $prefix;

	/**
	 * @param string $prefix
	 */
	public function __construct($prefix = '') {
		$this->prefix = $prefix;
	}

	/**
	 * @return string Prefix used for caching purposes
	 */
	public function getPrefix() {
		return $this->prefix;
	}

	/**
	 * @param string $key
	 * @return mixed
	 */
	abstract public function get($key);

	/**
	 * @param string $key
	 * @param mixed $value
	 * @param int $ttl
	 * @return mixed
	 */
	abstract public function set($key, $value, $ttl = 0);

	/**
	 * @param string $key
	 * @return mixed
	 */
	abstract public function hasKey($key);

	/**
	 * @param string $key
	 * @return mixed
	 */
	abstract public function remove($key);

	/**
	 * @param string $prefix
	 * @return mixed
	 */
	abstract public function clear($prefix = '');

	//implement the ArrayAccess interface

	public function offsetExists($offset) {
		return $this->hasKey($offset);
	}

	public function offsetSet($offset, $value) {
		$this->set($offset, $value);
	}

	public function offsetGet($offset) {
		return $this->get($offset);
	}

	public function offsetUnset($offset) {
		$this->remove($offset);
	}
}