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PHP abs() Function

< PHP Math Reference

Example

Return the absolute value of different numbers:

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

Definition and Usage

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

Syntax

abs(number);

Parameter	Description
number	Required. Specifies a number. If the number is of type float, the return type is also float, otherwise it is integer

Technical Details

Return Value:	The absolute value of the number
Return Type:	Float / Integer
PHP Version:	4+

< PHP Math Reference