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



exp — Calculates the value of e raised to the power of power .


float exp(power);
float power: Power to which you want to raisee


e to the power of a number


Returns e (the natural logarithm base constant; 2.718282...) raised to the power of power . exp() is the opposite of the log() function.


PHP 3, PHP 4

See also

See also log()


Example 673. Raise e to a given power

$power = 4;
echo "e to the $power is ", exp($powr), "\n";

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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