<?php



namespace PayPal\Validation;



/**

 * Class JsonValidator

 *

 * @package PayPal\Validation

 */

class JsonValidator

{



    /**

     * Helper method for validating if string provided is a valid json.

     *

     * @param string $string String representation of Json object

     * @param bool $silent Flag to not throw \InvalidArgumentException

     * @return bool

     */

    public static function validate($string, $silent = false)

    {

        @json_decode($string);

        if (json_last_error() != JSON_ERROR_NONE) {

            if ($string === '' || $string === null) {

                return true;

            }

            if ($silent == false) {

                //Throw an Exception for string or array

                throw new \InvalidArgumentException("Invalid JSON String");

            }

            return false;

        }

        return true;

    }

} 

