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<?php
namespace Xls;
class Utils
{
/**
* returns hex representation of binary data
* @param $data
*
* @return string
*/
public static function hexDump($data)
$result = '';
$charCount = strlen($data);
for ($i = 0; $i < $charCount; $i++) {
$byte = ord($data[$i]);
if ($i > 0) {
$result .= ' ';
}
$result .= sprintf('%02X', $byte);
return $result;
public static function generateGuid()
return strtoupper(md5(uniqid(rand(), true)));
MAXakaWIZARD /
xls-writer
