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PHP decbin() Function

PHP Math Reference PHP Math Reference

Example

Convert decimal to binary:

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

Run example »

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.


Syntax

decbin(number);

Parameter Description
number Required. Specifies the decimal value to convert

Technical Details

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


PHP Math Reference PHP Math Reference

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