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<?php
/**
* This file is part of the ramsey/collection library
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
* @license http://opensource.org/licenses/MIT MIT
*/
declare(strict_types=1);
namespace Ramsey\Collection\Tool;
use Ramsey\Collection\Exception\ValueExtractionException;
use function get_class;
use function method_exists;
use function property_exists;
use function sprintf;
/**
* Provides functionality to extract the value of a property or method from an object.
*/
trait ValueExtractorTrait
{
/**
* Extracts the value of the given property or method from the object.
*
* @param mixed $object The object to extract the value from.
* @param string $propertyOrMethod The property or method for which the
* value should be extracted.
*
* @return mixed the value extracted from the specified property or method.
*
* @throws ValueExtractionException if the method or property is not defined.
*/
protected function extractValue($object, string $propertyOrMethod)
{
if (!is_object($object)) {
throw new ValueExtractionException('Unable to extract a value from a non-object');
}
if (property_exists($object, $propertyOrMethod)) {
return $object->$propertyOrMethod;
}
if (method_exists($object, $propertyOrMethod)) {
return $object->{$propertyOrMethod}();
}
throw new ValueExtractionException(
sprintf('Method or property "%s" not defined in %s', $propertyOrMethod, get_class($object))
);
}
}
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