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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;
use ReflectionClass;
use Zend\Stdlib\Exception;
class Reflection extends AbstractHydrator
{
/**
* Simple in-memory array cache of ReflectionProperties used.
* @var \ReflectionProperty[]
*/
protected static $reflProperties = array();
/**
* Extract values from an object
*
* @param object $object
* @return array
*/
public function extract($object)
{
$result = array();
foreach (self::getReflProperties($object) as $property) {
$propertyName = $this->extractName($property->getName(), $object);
if (!$this->filterComposite->filter($propertyName)) {
continue;
}
$value = $property->getValue($object);
$result[$propertyName] = $this->extractValue($propertyName, $value, $object);
}
return $result;
}
/**
* Hydrate $object with the provided $data.
*
* @param array $data
* @param object $object
* @return object
*/
public function hydrate(array $data, $object)
{
$reflProperties = self::getReflProperties($object);
foreach ($data as $key => $value) {
$name = $this->hydrateName($key, $data);
if (isset($reflProperties[$name])) {
$reflProperties[$name]->setValue($object, $this->hydrateValue($name, $value, $data));
}
}
return $object;
}
/**
* Get a reflection properties from in-memory cache and lazy-load if
* class has not been loaded.
*
* @param string|object $input
* @throws Exception\InvalidArgumentException
* @return \ReflectionProperty[]
*/
protected static function getReflProperties($input)
{
if (is_object($input)) {
$input = get_class($input);
} elseif (!is_string($input)) {
throw new Exception\InvalidArgumentException('Input must be a string or an object.');
}
if (isset(static::$reflProperties[$input])) {
return static::$reflProperties[$input];
}
static::$reflProperties[$input] = array();
$reflClass = new ReflectionClass($input);
$reflProperties = $reflClass->getProperties();
foreach ($reflProperties as $property) {
$property->setAccessible(true);
static::$reflProperties[$input][$property->getName()] = $property;
}
return static::$reflProperties[$input];
}
}
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