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AmpWpPluginFactory.php
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43 lines (37 loc) · 918 Bytes
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<?php
/**
* Final class AmpWpPluginFactory.
*
* @package AmpProject\AmpWP
*/
namespace AmpProject\AmpWP;
use AmpProject\AmpWP\Infrastructure\Plugin;
/**
* The plugin factory is responsible for instantiating the plugin and returning
* that instance.
*
* It can decide whether to return a shared or a fresh instance as needed.
*
* To read more about why this is preferable to a Singleton,
*
* @see https://www.alainschlesser.com/singletons-shared-instances/
* @since 2.0
* @internal
*/
final class AmpWpPluginFactory {
/**
* Create and return an instance of the plugin.
*
* This always returns a shared instance. This way, outside code can always
* get access to the object instance of the plugin.
*
* @return Plugin Plugin instance.
*/
public static function create() {
static $plugin = null;
if ( null === $plugin ) {
$plugin = new AmpWpPlugin();
}
return $plugin;
}
}