gethostname()
gethostname() — Gets the host name.
Built-in function of PHP 8.5. The manual lists it as available in PHP 5 >= 5.3.0, 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
gethostname() gets the standard host name for the local machine.
Signature
gethostname(): string|false
Parameters
This function takes no parameters.
Return value
Returns a string with the hostname on success, otherwise false is returned.
Example
A runnable snippet:
echo gethostname(); // may output e.g,: sandie
See also
gethostbyname(), gethostbyaddr(), php_uname()
All PHP 8.5 built-in functions
Reference card built from the PHP manual page gethostname() (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.