- #HOLOGRAPHIC SERIAL NUMBER STICKERS HOW TO#
- #HOLOGRAPHIC SERIAL NUMBER STICKERS FULL#
- #HOLOGRAPHIC SERIAL NUMBER STICKERS VERIFICATION#
We would like to remind you that QR code is not for security because QR code and even the verification link can be copied.
You can scan the QR code below to experience it.
Scan the QR code can link to the brand homepage for more product display and promotion or link to the verification page to authenticate the product is original.
#HOLOGRAPHIC SERIAL NUMBER STICKERS FULL#
This being said, a more generally used method is to generate a universally unique identifier (UUID) which is a lot more likely to be unique and will therefore does not really need checking for uniqueness.QR Code, full name is Quick Response Code, it can create a better consumer experience. This approach is relatively fast but be aware it will need quite a bit of memory (more than 128MB).
The number of collisions is generally low (the first collision occurs at at about 300 000 - 500 000 numbers generated so it's pretty rare.Įach value in the array $keys is an 11 digit number which is random and unique. $numStr = str_pad($num,11,0,STR_PAD_LEFT) //Force 11 digits Here's a way to plan your way to 2 million random numbers before using the database: Considering that backend in PHP I am thinking to use mt_rand() function, could be a good approach?.
#HOLOGRAPHIC SERIAL NUMBER STICKERS HOW TO#
Once you input that and query that code it will be nulled, so next time you do it again you receive a message that the product might be fake because the code is already used.Ĭonsidering that I should make this system for a factory that produces no more than 2/3 millions pieces a year, for me is a bit hard understand how to set up everything, at least the 1st time… I am trying to generate a random serial number to put on holographic stickers in order to let customers check if the purchased product is authentic or not.