dechex()
dechex() — Decimal to hexadecimal.
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 hexadecimal representation of the given unsigned num argument.
Signature
dechex(int $num): string
Parameters
| Parameter | Type | What it takes |
|---|---|---|
| $num | int | The decimal value to convert. |
Return value
Hexadecimal string representation of num.
Example
A runnable snippet:
echo dechex(10) . "\n"; echo dechex(47);
Output:
a 2f
See also
hexdec(), decbin(), decoct(), base_convert()
All PHP 8.5 built-in functions
Reference card built from the PHP manual page dechex() (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.