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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
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