What is the primary purpose of Math Functions in PHP?

Comprehensive mathematical functions reference in PHP: abs, ceil, floor, round, rand, sqrt, and pow.

Are Math Functions enabled by default in PHP 8?

Yes, standard Math Functions are core parts of the PHP standard library and require no external PECL extensions.

PHP Math Functions Reference Guide

This reference page provides a comprehensive, alphabetical catalog of all built-in Math Functions in PHP. In modern web development and university exams (BCA, BSc CS, B.Tech), understanding these core functions accelerates programming speed and prevents you from reinventing existing standard library tools.

Quick Tip: In modern PHP 8, you can use named arguments to specify parameters without having to memorize optional default argument positions!

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

PHP Math Functions Reference Guide

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