A guid function that works in all php versions:
<?php
function guid(){
if (function_exists('com_create_guid')){
return com_create_guid();
}else{
mt_srand((double)microtime()*10000);//optional for php 4.2.0 and up.
$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;
}
}
echo guid();
?>
com_create_guid
(PHP 5)
com_create_guid — Generate a globally unique identifier (GUID)
Description
string com_create_guid
( void
)
Generates a Globally Unique Identifier (GUID).
A GUID is generated in the same way as DCE UUID's, except that the Microsoft convention is to enclose a GUID in curly braces.
Return Values
Returns the GUID as a string.
See Also
- uuid_create() in the PECL uuid extension
com_create_guid
Kristof_Polleunis at yahoo dot com
28-Apr-2005 08:16
28-Apr-2005 08:16
