PHP decbin() Function

Convert decimal to binary:

<?php
echo decbin("3") . "<br>";
echo decbin("1") . "<br>";
echo decbin("1587") . "<br>";
echo decbin("7");
?>

Definition and Usage

The decbin() function converts a decimal number to a binary number.

Tip: To convert binary to decimal, look at the bindec() function.

decbin( number);

Parameter	Description
number	Required. Specifies the decimal value to convert

Return Value:	A string that contains the binary number of the decimal value
Return Type:	String
PHP Version:	4+