src/Composer/Json/JsonFile.php
private static function throwEncodeError($code)
    {
        switch ($code) {
            case JSON_ERROR_DEPTH:
                $msg = 'Maximum stack depth exceeded';
                break;
            case JSON_ERROR_STATE_MISMATCH:
                $msg = 'Underflow or the modes mismatch';
                break;
            case JSON_ERROR_CTRL_CHAR:
                $msg = 'Unexpected control character found';
                break;
            case JSON_ERROR_UTF8:
                $msg = 'Malformed UTF-8 characters, possibly incorrectly encoded';
                break;
            default:
                $msg = 'Unknown error';
        }

        throw new \RuntimeException('JSON encoding failed: '.$msg);
    }
private static function throwEncodeError($code)
    {
        switch ($code) {
            case JSON_ERROR_DEPTH:
                $msg = 'Maximum stack depth exceeded';
                break;
            case JSON_ERROR_STATE_MISMATCH:
                $msg = 'Underflow or the modes mismatch';
                break;
            case JSON_ERROR_CTRL_CHAR:
                $msg = 'Unexpected control character found';
                break;
            case JSON_ERROR_UTF8:
                $msg = 'Malformed UTF-8 characters, possibly incorrectly encoded';
                break;
            default:
                $msg = 'Unknown error';
        }

        throw new \RuntimeException('JSON encoding failed: '.$msg);
    }
private static function throwEncodeError ( $ code ) { switch ( $ code ) { case JSON_ERROR_DEPTH : $ msg = 'Maximum stack depth exceeded' ; break ; case JSON_ERROR_STATE_MISMATCH : $ msg = 'Underflow or the modes mismatch' ; break ; case JSON_ERROR_CTRL_CHAR : $ msg = 'Unexpected control character found' ; break ; case JSON_ERROR_UTF8 : $ msg = 'Malformed UTF-8 characters, possibly incorrectly encoded' ; break ; default : $ msg = 'Unknown error' ; } throw new \ RuntimeException ( 'JSON encoding failed: ' . $ msg ) ; }
Throws an exception according to a given code with a customized message

@param  int               $code return code of json_last_error function
@throws \RuntimeException
Throws an exception according to a given code with a customized message