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



hexdec — Returns the decimal value for the given hexadecimal argument.


int hexdec(hex);
string hex: Hexadecimal number


Integer decimal equivalent of a number


Converts a hexadecimal number represented as a string into its decimal equivalent. If the string is not a valid hexadecimal number, an error is returned. The largest hexadecimal value that can be converted is 0x7fffffff.

You can include the 0x prefix in the hex string or not; hexdec() works regardless.


PHP 3, PHP 4


Example 676. Get the decimal value for a hexadecimal expression

$hex = "11ff";
echo "Hexadecimal: $hex, Decimal: ", hexdec($hex);

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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