decbin()
decbin() — Decimal to binary.
Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.
What it does
Returns a string containing a binary representation of the given num argument.
Signature
decbin(int $num): string
Parameters
| Parameter | Type | What it takes |
|---|---|---|
| $num | int | Decimal value to convert |
Return value
Binary string representation of num
Example
A runnable snippet:
echo decbin(12) . "\n"; echo decbin(26);
Output:
1100 11010
See also
bindec(), decoct(), dechex(), base_convert(), printf(), sprintf()
All PHP 8.5 built-in functions
Reference card built from the PHP manual page decbin() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.