Файл: concrete5.7.5.6/concrete/vendor/zendframework/zend-math/src/BigInteger/BigInteger.php
Строк: 113
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace ZendMathBigInteger;
abstract class BigInteger
{
/**
* Plugin manager for loading adapters
*
* @var null|AdapterPluginManager
*/
protected static $adapters = null;
/**
* The default adapter.
*
* @var AdapterAdapterInterface
*/
protected static $defaultAdapter = null;
/**
* Create a BigInteger adapter instance
*
* @param string|AdapterAdapterInterface|null $adapterName
* @return AdapterAdapterInterface
*/
public static function factory($adapterName = null)
{
if (null === $adapterName) {
return static::getAvailableAdapter();
} elseif ($adapterName instanceof AdapterAdapterInterface) {
return $adapterName;
}
return static::getAdapterPluginManager()->get($adapterName);
}
/**
* Set adapter plugin manager
*
* @param AdapterPluginManager $adapters
*/
public static function setAdapterPluginManager(AdapterPluginManager $adapters)
{
static::$adapters = $adapters;
}
/**
* Get the adapter plugin manager
*
* @return AdapterPluginManager
*/
public static function getAdapterPluginManager()
{
if (static::$adapters === null) {
static::$adapters = new AdapterPluginManager();
}
return static::$adapters;
}
/**
* Set default BigInteger adapter
*
* @param string|AdapterAdapterInterface $adapter
*/
public static function setDefaultAdapter($adapter)
{
static::$defaultAdapter = static::factory($adapter);
}
/**
* Get default BigInteger adapter
*
* @return null|AdapterAdapterInterface
*/
public static function getDefaultAdapter()
{
if (null === static::$defaultAdapter) {
static::$defaultAdapter = static::getAvailableAdapter();
}
return static::$defaultAdapter;
}
/**
* Determine and return available adapter
*
* @return AdapterAdapterInterface
* @throws ExceptionRuntimeException
*/
public static function getAvailableAdapter()
{
if (extension_loaded('gmp')) {
$adapterName = 'Gmp';
} elseif (extension_loaded('bcmath')) {
$adapterName = 'Bcmath';
} else {
throw new ExceptionRuntimeException('Big integer math support is not detected');
}
return static::factory($adapterName);
}
/**
* Call adapter methods statically
*
* @param string $method
* @param mixed $args
* @return mixed
*/
public static function __callStatic($method, $args)
{
$adapter = static::getDefaultAdapter();
return call_user_func_array(array($adapter, $method), $args);
}
}