PHP bindec() Function

Definition and Usage

The bindec() function returns decinmal equivalent of a binary number represented as a string argument. Binary number inside string is interpreted as unigned integer.

This function returns a decimal integer. However, it may return float for size reasons.

Syntax

bindec ( string $binary_string ) : number

Parameters

Return Values

PHP bindec() function returns decimal equivalent of given 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='-1111';
   $val=bindec($arg);
   echo "bindec('" . $arg . "') = " . $val;
?>

Output

This will produce following result −

bindec('-1111') = 15