bindec

bindec

(PHP 3, PHP 4, PHP 5)

bindec -- Binary to decimal

Description

number bindec ( string binary_string )

Returns the decimal equivalent of the binary number represented by the binary_string argument.

bindec() converts a binary number to an integer. The largest number that can be converted is 31 bits of 1's or 2147483647 in decimal. As of PHP 4.1.0, this function can also convert larger numbers. It returns float in that case.

Example 1. bindec() example

<?php
echo bindec('110011') . "\n";
echo
bindec('000110011') . "\n";

echo
bindec('111');
?>

The above example will output:

51
51
7

See also decbin(), octdec(), hexdec() and base_convert().

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