PHP decbin() Function
Example
Convert decimal to binary:
<?php
echo decbin("3") . "<br>";
echo decbin("1") . "<br>";
echo decbin("1587") . "<br>";
echo decbin("7");
?>
Try it Yourself »
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 Values
| 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