unique number generator in php

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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

About PHP, we have a lot of misunderstanding, but in fact, modern PHP is a door regardless of development efficiency or execution efficiency is quite high programming language. On the various aspects of modern PHP features, you can refer to the

About PHP, we have a lot of misunderstanding, but in fact, modern PHP is a no matter the development efficiency or execution efficiency are quite high programming language. About the various aspects of modern PHP features, you can refer to the

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,

functionCreateid ($prefix= ""){    $str= MD5(uniqid(Mt_rand(), true));    return$prefix. $str;}//Uniqid (prefix,more_entropy)The Uniqid () function generates a unique ID based on the current time in microseconds.prefix is optional. Specify a prefix

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

Use the uniqid () function in php to generate a unique id. Function createId ($ prefix = "") {$ str = md5 (uniqid (mt_rand (), true); return $ prefix. $ str;} // uniqid (prefix, more_entropy) The uniqid () function generates a unique ID based on

50 Very useful PHP tools, 50 useful PHP tools PHP is one of the most widely used open source server-side scripting languages, and of course PHP is not the fastest, but it is the most commonly used scripting language. Here are 50 useful PHP tools