php generate unique number sequence

/** * 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

How PHP generates a unique numeric ID, note that it is numeric, do not string the Reply content: How PHP generates a unique numeric ID, note that it is numeric, do not string the Landlord, you are a big problem. Twitter,weibo and so on have

PHP generated unique numeric id method summary, PHP generation ID Summary Regarding the question of generating a unique numeric ID, is it necessary to use Rand to generate a random number and then go to the database query for this number? It's a

This code is google for tens of millions. Please do not add it to favorites or use it. Thank you for your cooperation. The author only makes a record. Note: You need to enable extended extensionphp_shmop.dll without ** semaphores (Semaphore ). *

The number of PHP components and frameworks is incredibly large. There are mega-frameworks like Symfony and Laravel, as well as miniature frameworks like Silex and slim. There are even traditional frameworks that have existed long before modern PHP

In our daily projects, we often encounter an environment where php is used to generate a unique digital id. I checked a lot of information on the Internet, but there is still a possibility of repetition, so today I will share my personal income from

Regarding the issue of generating a unique digital ID, is it necessary to generate a random number using Rand and then go to the database query for this number? Feel this kind of words a little time-consuming, is there any other way? Of course not,

  /** * Generates an UUID * * @author Anis uddin Ahmad * @param string an optional prefix * @return string the formatted uuid */ function uuid($prefix = '') { $chars = md5(uniqid(mt_rand(), true)); $uuid =

PHP operating mechanism and principle (underlying), and php operating mechanism. The PHP operating mechanism and principle (underlying). when talking about the php operating mechanism, we should first introduce the php module. php has three modules

This article we mainly share with you the PHP bottom operating mechanism of the detailed, first we will share with you PHP design concept and features, PHP four layer system, etc., hope to help everyone. 1. PHP Design concept and Features