Edit File: RandomStringGeneratorTrait.php
<?php namespace Kunnu\Dropbox\Security; trait RandomStringGeneratorTrait { /** * Converts binary data to hexadecimal of given length * * @param string $binaryData The binary data to convert to hex. * @param int $length The length of the string to return. * * @throws \RuntimeException Throws an exception when multibyte support is not enabled * * @return string */ public function binToHex($binaryData, $length) { return substr(bin2hex($binaryData), 0, $length); } }