--TEST-- uuid_mac() function --SKIPIF-- <?php if(!extension_loaded('uuid')) die('skip '); ?> --FILE-- <?php var_dump(uuid_mac("b691c99c-7fc5-11d8-9fa8-00065b896488")); var_dump(uuid_mac("878b258c-a9f1-467c-8e1d-47d79ca2c01b")); ?> --EXPECT-- string(12) "00065b896488" bool(false)