bindec — Returns a decimal representation of the
binary string passed to it.
string binary_number: Binary
string to convert
Decimal integer form of a binary number
Converts the binary string given by binary_number into its decimal form. The
largest decimal value that can be converted is
2147483647, which should be enough for most
Example 666. Convert a binary
number to decimal
$number = "101010";
echo "Binary $number is ", bindec($number), "in decimal";
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
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.