Tag:Generating Random Numbers

  • Summary of methods of generating random numbers / random strings by PHP


    This paper describes the method of generating random number / random string by PHP. For your reference, the details are as follows: Sometimes our project needs to generate random numbers, but we don’t want to be so troublesome. We can use the following five methods to generate random numbers. The first is Mt_ rand() <?php […]

  • How to generate random numbers in PHP


    The first method uses Mt_ rand() function GetRandStr($length){ $str=’abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789′; $len=strlen($str)-1; $randstr=”; for($i=0;$i<$length;$i++){ $num=mt_rand(0,$len); $randstr .= $str[$num]; } return $randstr; } $number=GetRandStr(6); echo $number; The second method (fastest) function make_password( $length = 8 ) { //Password character set, you can add any character you need $chars = array(‘a’, ‘b’, ‘c’, ‘d’, ‘e’, ‘f’, ‘g’, ‘h’, ‘i’, […]

  • An Example of the Method of Generating Random Numbers and Random Strings by Linux Shell


    Random numbers are often used in daily life. They are used in a wide range of scenarios, such as lottery tickets, dice throwing, lottery drawing, annual lottery drawing, etc. How to generate random numbers under shell? The Mipu blog wrote this article specially to summarize various methods of generating random numbers under Linux shell. The […]

  • Three Methods of Generating Random Numbers in Erlang


    Erlang has three ways to produce random numbers random:uniform(). This function is provided by the random module of the Erlang library. This is generally used. Copy codeThe code is as follows: 1> random:uniform(). 0.4435846174457203 erlang:now(). Use the current time as a random belief that many people have done it. So if you don’t have too […]