(PHP 4, PHP 5)
decbin — Decimal to binary
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.
Decimal value to convert
Binary string representation of number
Example #1 decbin() example
<?php
echo decbin(12) . "\n";
echo decbin(26);
?>
The above example will output:
1100 11010