- /**
- * 生成GUID（UUID）
- * @access public
- * @return string
- * @author knight
- */
- function createGuid()
- {
- if (function_exists('com_create_guid')){
- return com_create_guid();
- }else{
- mt_srand((double)microtime()*10000);
- $charid = strtoupper(md5(uniqid(rand(), true)));
- $hyphen = chr(45);// "-"
- $uuid = chr(123)// "{"
- .substr($charid, 0, 8).$hyphen
- .substr($charid, 8, 4).$hyphen
- .substr($charid,12, 4).$hyphen
- .substr($charid,16, 4).$hyphen
- .substr($charid,20,12)
- .chr(125);// "}"
- return $uuid;
- }
- }
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