php random character generator

In-depth understanding of the security of mt_rand () random numbers in PHP, and in-depth understanding of mt_rand Preface Many security vulnerabilities related to mt_rand () have been dug up some time ago, which are basically caused by incorrect

Many of the security breaches associated with Mt_rand () have been dug up in the previous period, largely as a result of the erroneous understanding of random number usage. Here again to mention the PHP website manual A pit, see About Mt_rand ()

Mt_rand () Use the Mersennetwister algorithm to return random integers, this everyone knows, but the following this article mainly introduces to you about PHP Mt_rand () random number of security related data, the article introduced in very detailed,

PHP Mt_srand to sow a better random number generator seedMt_srand(PHP 3 >= 3.0.6, PHP 4, PHP 5) Mt_srand--Sowing a better random number generator seed description Copy Code code as follows: void Mt_srand (int seed) Seed is

PHP generates random passwords (PHP custom functions) time: 2015-12-16-20:43:49 Source: Network Introduction: PHP Random password generation code, using PHP custom function to generate a specified length of random

Summary of three methods for generating random passwords in php. When using PHP to develop applications, especially website programs, you often need to generate random passwords. for example, if you register a user to generate a random password, you

If you want to achieve random security passwords and user names, I have a friend who serves as the server login password and user name. The phpmyadmin function is used to generate a random password. It is better to use phpmyadmin, the following

When using PHP to develop applications, especially website programs, you often need to generate random passwords. for example, if you register a user to generate a random password, you also need to generate a random password to reset the password.

Use PHPDeveloping applications, especially website programs, often requires Generate random passwords, if the user registers to generate a random password, the user resets the password also needs to generate a random password. Random password is a

The first two articles, "how to sort PHP arrays" and "reverse order of PHP arrays", introduce two groups of functions, one in ascending order and the other in descending order ), today, we will introduce the random and reverse orders of arrays in