decbin() function in PHP

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

Syntax

decbin(num)

Parameters

• num − Specifies a number to be converted to binary.

Return

The decbin() function Returns a string representing the binary number of the decimal value.

Example

 Live Demo

<?php
   echo decbin("3865");
?>

Output

111100011001

Example

Let us see another example −

 Live Demo

<?php
   echo decbin("99");
?>

Output

1100011