php generate unique code

Use the PHPuniqid function to generate a unique ID. The PHPuniqid function is used to generate a unique ID. it is common to use phpuniqid to generate a unique id, such as the temporary cache file name, temporary variables, temporary security code,

Correctly implement PHP to generate a unique identifier. Today, we will introduce in detail the sample code for generating a unique identifier in PHP :? Generate the unique identifier sha1 () function. the security hash algorithm (SHA1)

PHP implementation to generate unique membership card number, PHP implementation of membership card In the case of not querying the database, each member login will generate a digital letter combination of non-repeating membership card number. As

How does mysql insert a field to a table? this field will randomly generate a unique code. how does mysql insert a field to a table? this field will randomly generate a unique code ------ solution ------------------ if php is used you can use uniqid

/** * Generates an UUID * * @author Anis uddin Ahmad * @param string a optional prefix * @return string The formatted UUID /function uuid ($prefix = ') { $chars = MD5 ( Uniqid (Mt_rand (), true); $uuid = substr

This article mainly introduces how to generate a unique number in PHP. in this article, convert the hexadecimal value to 36 to obtain more than 60 million unique numbers that are not repeated, with the number of digits being 10 digits, if you need a

When each member logs in and queries the database, a group of numbers or membership card numbers that do not overlap with letters are generated. Next, we will show you a small program, generate a unique membership card number based on php. if you

This article mainly introduces the generation of unique membership card based on PHP, interested in the reference of friends, I hope to be helpful to everyone. In the case of not querying the database, each member login will generate a digital

A summary of how PHP generates a unique order number. PHP generates a unique order number. The first code is as follows: returndate (Ymd ). str_pad (mt_rand (1,99999), 5, 0, STR_PAD_LEFT); the second code is as follows: returndate (Ymd ). summary of

PHP generates a unique promotion discount code (with the source code ). Every e-commerce website now has one or more types of discount coupon systems. we will share with you how to generate a unique discount code in PHP. It is mainly used to