PHP Manual
Prev |  | Next

# abs

(PHP 3, PHP 4, PHP 5)

abs -- Absolute value

## Description

number abs ( mixed number )

Returns the absolute value of number. If the argument number is of type float, the return type is also float, otherwise it is integer (as float usually has a bigger value range than integer).

Example 1. abs() example
`<?php $abs = abs(-4.2); // $abs = 4.2; (double/float) $abs2 = abs(5); // $abs2 = 5; (integer) $abs3 = abs(-5); // $abs3 = 5; (integer) ?>`

Prev | Home | Next
Mathematical Functions | Up | acos