php - convert string to uuid version 4 format

Question

I want convert this string to uuid4 by PHP functions

my string: 24:1D:87:0E:01:32:09:FB:36:97:23:BD:B5:E1:18:04

convert to : 241d870e-0132-49fb-b697-23bdb5e11804

how can do it?! php have function or?!...

Answer 1

You could do a combination of:

• str_replace() to strip out the : colons
• substr() the sections you need
• and concat them with . "-" .
• lastly apply strtolower() if that's really required

Or, you could write a regex/preg_replace transformation.