PHP Functions Essential Reference

bindec

int bindec(string binary_number) 

Returns a decimal representation of the binary string passed to it.

Returns:

Decimal integer form of a binary number

Description:

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 people.

Version:

PHP 3, PHP 4

See also:

base_convert() 
dechex() 
decbin() 
decoct() 
hexdec() 
octdec() 

Example:

Convert a binary number to decimal

$number = "101010"; echo "Binary $number is ", bindec($number), "in decimal";