Math Function in PHP:Part 1

Introduction

The PHP math functions are used to handle values within the range of integer and float types. In this article I am describing some of the PHP math functions.

PHP Abs() function

It returns the absolute value of a number.

Syntax

abc (number)

Parameters in Abs function

It contains one parameter.

Parameter	Description
number	It specifies number.

Example of Abs function

<?php

echo (abs(4.5)."");

echo (abs(4.55)."");

echo (abs(-8)."");

echo (abs(4)."");

echo (abs(0.0)."");

Output

$abs-math-function-in-php.jpg$

PHP Acos() function

It is used in PHP to find the arccosine of a number as a numeric value (value between 0 and PI radians) .

Syntax

acos (number)

Parameters in Acos function

It contain one parameter.

Parameter	Description
number	It specifies a numeric value( range -1 to 1).

Example of Acos function

<?php

echo (acos(0.15)."");

echo (acos(0)."");

echo (acos(1)."");

echo (acos(-1)."");

echo (acos(2)."");

Output

$acos-math-function-in-php.jpg$

PHP Asin() function

It is used in PHP to find the arcsine of a number as a numeric (value -PI/2 and PI/2 radians).

Syntax

acos(number)

Parameters in Asin function

It contains one parameter.

Parameter	Description
number	It specifies a numeric value( range -1 to 1).

Example of Asin function

<?php

echo (asin(0.15)."");

echo (asin(0)."");

echo (asin(1)."");

echo (asin(-1)."");

echo (asin(2)."");

Output

$asin-math-function-in-php.jpg$