PHP Math Functions

Function

Description

abs

Absolute value

acos

Arc cosine

acosh

Inverse hyperbolic cosine

asin

Arc sine

asinh

Inverse hyperbolic sine

atan2

Arc tangent of two variables

atan

Arc tangent

atanh

Inverse hyperbolic tangent

ceil

Round fractions up

cos

Cosine

cosh

Hyperbolic cosine

deg2rad

Converts the number in degrees to the radian equivalent

exp

Calculates the exponent of e

expm1

Returns exp(number) - 1, computed in a way that is accurate even when the value of number is close to zero

floor

Round fractions down

fmod

Returns the floating point remainder (modulo) of the division of the arguments

getrandmax

Show largest possible random value

hexdec

Hexadecimal to decimal

hypot

Calculate the length of the hypotenuse of a right-angle triangle

intdiv

Integer division

is_finite

Finds whether a value is a legal finite number

is_infinite

Finds whether a value is infinite

is_nan

Finds whether a value is not a number

lcg_value

Combined linear congruential generator

log10

Base-10 logarithm

log1p

Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero

log

Natural logarithm

max

Find highest value

min

Find lowest value

mt_getrandmax

Show largest possible random value

mt_rand

Generate a better random value

mt_srand

Seed the better random number generator

octdec

Octal to decimal

pi

Get value of pi

pow

Exponential expression

rad2deg

Converts the radian number to the equivalent number in degrees

rand

Generate a random integer

round

Rounds a float

sin

Sine

sinh

Hyperbolic sine

sqrt

Square root

srand

Seed the random number generator

tan

Tangent

tanh

Hyperbolic tangent

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