decbin

(PHP 3, PHP 4, PHP 5)

decbin -- Decimal to binary

Description

string decbin ( int number )

Returns a string containing a binary representation of the given number argument. The largest number that can be converted is 4294967295 in decimal resulting to a string of 32 1's.

Example 1. decbin() example

<?php
echo decbin(12) . "\n";
echo
decbin(26);
?>

The above example will output:

1100
11010

See also bindec(), decoct(), dechex() and base_convert().