# PHP abs() Function

Last Updated on April 14, 2024 by Roshan Parihar

The absolute value or `abs()` returns a float for a float value and an integer for an int value. It is useful to find the absolute value or positive value of a number.

## What is PHP Absolute Value?

An absolute value in PHP is the positive value of the given number in integer or float format. Let’s take a simple example if you have a number -9 which is a negative number. Then, its absolute value is 9 which is a positive value.

## Abs() Function in PHP to Find Absolute Values

PHP comes with an inbuilt function `abs()` to find the absolute value of a number. The function takes a single argument which can be the number to pass. After you pass the number as an argument, you will get its value as positive as the result.

## Examples to Get Absolute Values of a Number in PHP

Example 1

Suppose you have an integer number -9, you can find its absolute value below. As it is an integer, you will get an integer value.

Output

9

Example 2

Another example is a float number -3.6 and you can find its absolute value as given below. As it is a float number, you will get a float value.

Output

3.6

### Q1. Which PHP Function Gives Absolute Values?

Answer: `abs()` is the built-in function in PHP to get the absolute value. Pass the number as the argument of the function to get the result.

### Q2. How to Find Abs Integer Value in PHP?

Answer: To find the absolute int value in PHP, you can use the `abs()` function and pass the integer as its argument. If -3 is an integer, you will 3 as a result after passing it as an argument of `abs()`

### Q3. What is an Absolute Number?

Answer: Absolute number is a positive integer or float number in math.

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