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PHP decbin() Function

Complete PHP Math Reference

Definition and Usage

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

Syntax

decbin(dec_number)

Parameter	Description
dec_number	Required. Specifies the decimal number to convert

Example

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

The output of the code above will be:

11
1
11000110011
111