PHP Math function

Base_convert ($number, $frombase, $tobase)//Convert a number between arbitrary binaries

Ceil ($float)//Up rounding

Floor ($float)//Down rounding

EXP ($float)//calculate E's exponent

Hypot ($x, $y)//Calculate the hypotenuse length of right triangle

Is_nan ($val)//Determine if it is a valid value

Log ($arg [, $base =e])//natural logarithm

Max ($num 1, $num 2, ...)//Find out the maximum value

Max ($arr)//Find out the maximum value in the array

Min ($num 1, $num 2, ...)//Find the minimum value

RAND ([$min], $max)//Generate a random integer

Srand ([$seed])//sowing random number generator seeds

Mt_rand ([$min], $max)//Generate better random numbers

Mt_srand ($seed)//sowing a better random number generator seed

PI ()//Get PI Value

Pow ($base, $exp)//exponential expression

sqrt ($float)//Seek square root

Deg2rad ($float)//convert angle to radians

Rad2deg ($float)//Convert the number of radians to the corresponding number of angles

Round ($val [, $pre = 0])//rounding of floating-point numbers

Fmod ($x, $y)//Returns the remainder of the floating-point number for division

PHP Math function