Home > Article > Backend Development > Recommended articles about php getrandmax() function
This article collects several articles about the php getrandmax() function. Everyone is welcome to read and collect
1. php generates random numbers from 0 to 1 (decimal)
##Introduction: function randomFloat($min = 0, $max = 1) { return $min + mt_rand( ) / mt_getrandmax() * ($max - $min); } Original website: http://www.php.net/manual/en/function.mt-getrandmax.php
2. access connections Writing a chat room with PHP and ACCESS
Introduction: access connections: access connections Writing a chat room with PHP and ACCESS: func.php3 The code is as follows:
3. PHP Math API method summary
Introduction:: Summary of PHP Math API methods: Currently the number of APIs is 49. Commonly used calculations (11) min - find the minimum value max — find the maximum value abs — absolute value round — round floating-point numbers ceil — Returns the smallest integer greater than or equal to the specified expression, ceiling function floor — returns the largest integer less than or equal to the specified expression. The floor function intdiv — rounds the division result and returns the quotient. fmod — Returns the floating point remainder of division, returns the remainder is_nan — Determines whether it is a legal value hypot —
##4.Writing a chat room with PHP and ACCESS (10)_PHP tutorial
Introduction: Using PHP Write a chat room with ACCESS (10). The code of func.php3 is as follows: ?php function suiji($max) { srand((double)microtime()*1000000); $x=rand(); $y=getrandmax(); $r=$x/$y* ($max-1); $r=round($r++); return $r; } function StrOcc5.
php generates a random number from zero to 1 (decimal) Number
Introduction: PHP generates random numbers from 0 to 1 (decimal) function randomFloat($min = 0, $max = 1) { return $min + mt_rand() / mt_getrandmax() * ($max - $min); } ? Original website: http://www.php.net/manual/en/function.mt6.
php generates random numbers from zero to 1 (decimal)
Introduction: PHP generates random numbers from 0 to 1 (decimal) function randomFloat($min = 0, $max = 1) { return $min + mt_rand() / mt_getrandmax( ) * ($max - $min); }?Original website: http://www.php.net/manual/en/function.mt-getrand[Related Q&A recommendations ]:
php - I have some doubts about the use of function `mt_getrandmax`, please give me some advice
The above is the detailed content of Recommended articles about php getrandmax() function. For more information, please follow other related articles on the PHP Chinese website!