PHP decbin() Function

Definition and Usage

The decbin() function returns a string that contains binary equivalent of given decimal number argument.

This function returns a string with binary digits.

Syntax

decbin ( int $number ) : string

Parameters

Return Values

PHP decbin() function returns a binary number inside string.

PHP Version

This function is available in PHP versions 4.x, PHP 5.x as well as PHP 7.x.

Example

<?php
   $arg=-10;
   $val=decbin($arg);
   echo "decbin(" . $arg . ") = " . $val;
?>

Output

This will produce following result −

decbin(-10) = 1111111111111111111111111111111111111111111111111111111111110110