How to use GUID method to generate order number in PHP

PHP how to use the GUID method to generate the order number, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can get something.

Generate order number

Function build_order_no () {return date ('Ymd') .substr (implode (NULL, array_map (' ord', str_split (substr (uniqid (), 7,13), 1)), 0,8);}

Generate GUID

Function guid () {if (function_exists ('com_create_guid')) {return com_create_guid ();} else {mt_srand ((double) microtime () * 10000); $charid = strtoupper (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;}} is it helpful for you to read the above content? If you want to know more about the relevant knowledge or read more related articles, please follow the industry information channel, thank you for your support.