abs
Name
abs — Returns the absolute value of an integer or
double.
Synopsis
mixed abs
(num);
mixed num: Number from which
to get absolute value
Returns
Absolute value of an integer
Description
The abs() function returns the absolute value of
the passed variable. The absolute value of a number is
the value without regard to positive or negative
notation. This can be an integer or a floating-point
number; abs() returns the same type that was
passed to it.
Example
Example 660. Calculate the
absolute value of a number
$int = -123.450;
echo "The absolute value of $int is ", abs($int);
PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing
(Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch).
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