What does abs in php code mean?

What does php code abs mean?

Definition and usage of abs function in php

abs() function returns the absolute value of a number.

Syntax

abs(x)

Parameters

x Required. A number.

Description

Returns the absolute value of parameter x. If the parameter x is a float, the return type is also a float, otherwise an integer is returned (because float usually has a larger value range than an integer).

Example

<?php
echo(abs(6.7));
echo(abs(-3));
echo(abs(3));
?>

Output:

6.7
3
3

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