Viewing file:  MapNamingStrategy.php (2.31 KB) -rwxrwxr-x
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Stdlib\Hydrator\NamingStrategy;
use Zend\Stdlib\Exception\InvalidArgumentException;
class MapNamingStrategy implements NamingStrategyInterface
{
/**
* Map for hydrate name conversion.
*
* @var array
*/
protected $mapping = array();
/**
* Reversed map for extract name conversion.
*
* @var array
*/
protected $reverse = array();
/**
* Initialize.
*
* @param array $mapping Map for name conversion on hydration
* @param array $reverse Reverse map for name conversion on extraction
*/
public function __construct(array $mapping, array $reverse = null)
{
$this->mapping = $mapping;
$this->reverse = $reverse ?: $this->flipMapping($mapping);
}
/**
* Safelly flip mapping array.
*
* @param array $array Array to flip
* @return array Flipped array
* @throws InvalidArgumentException
*/
protected function flipMapping(array $array)
{
array_walk($array, function ($value) {
if (!is_string($value) && !is_int($value)) {
throw new InvalidArgumentException('Mapping array can\'t be flipped because of invalid value');
}
});
return array_flip($array);
}
/**
* Converts the given name so that it can be extracted by the hydrator.
*
* @param string $name The original name
* @return mixed The hydrated name
*/
public function hydrate($name)
{
if (array_key_exists($name, $this->mapping)) {
return $this->mapping[$name];
}
return $name;
}
/**
* Converts the given name so that it can be hydrated by the hydrator.
*
* @param string $name The original name
* @return mixed The extracted name
*/
public function extract($name)
{
if (array_key_exists($name, $this->reverse)) {
return $this->reverse[$name];
}
return $name;
}
}
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