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<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

/**
 * Form Input/Output Trim Filter
 *
 * @author      Magento Core Team <[email protected]>
 */
namespace Magento\Framework\Data\Form\Filter;

class Trim implements \Magento\Framework\Data\Form\Filter\FilterInterface
{
    /**
     * Returns the result of filtering $value
     *
     * @param string $value
     * @return string
     */
    public function inputFilter($value)
    {
        return $value !== null ? trim($value, ' ') : '';
    }

    /**
     * Returns the result of filtering $value
     *
     * @param string $value
     * @return string
     */
    public function outputFilter($value)
    {
        return $value;
    }
}