What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.



abs — Returns the absolute value of an integer or double.


mixed abs(num);
mixed num: Number from which to get absolute value


Absolute value of an integer


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.


PHP 3, PHP 4


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). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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