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<?php
/**
* Trait Singletone
*
* @package SmartCrawl
* @subpackage Trait
*/
namespace SmartCrawl;
if ( ! defined( 'WPINC' ) ) {
die;
}
trait Singleton {
/**
* Instance holder.
*
* @var static $instance
*/
private static $instance;
/**
* Instance obtaining or resetting method.
*
* @since 3.1.0
*
* @param bool $reset To reset the instance instead.
*
* @return static Called class instance.
*/
public static function get( $reset = false ) {
// Just reset the instance.
if ( $reset ) {
self::$instance = null;
return null;
}
$called_class_name = get_called_class();
// Only if not already exist.
if ( ! self::$instance instanceof $called_class_name ) {
self::$instance = new $called_class_name();
}
return self::$instance;
}
}