gethostname

    (PHP 5 >= 5.3.0, PHP 7, PHP 8)

    gethostname — Gets the host name

    Description

    gethostname(): string|false

    gethostname() gets the standard host name for the local machine.

    Parameters

    This function has no parameters.

    Return Values

    Returns a string with the hostname on success, otherwise false is returned.

    Examples

    Example #1 A simple gethostname() example

    <?php
    echo gethostname(); // may output e.g,: sandie
    ?>

    See Also

    • gethostbyname() - Get the IPv4 address corresponding to a given Internet host name
    • gethostbyaddr() - Get the Internet host name corresponding to a given IP address
    • php_uname() - Returns information about the operating system PHP is running on

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    User Contributed Notes 2 notes

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    markosjal AT Gmail
    2 years ago
    Since I built a PHP app that runs on Linux Windows and MacOS I just discovered that using gethostname() behaves differently on different OSes. Linux will return "hostname" while MacOS 10.15 will return "hostname.local" . Have yet to determine how Windows behaves but the difference is worth noting. Only a few days ago I was wanting to get the LAN extension in Linux and was never able to. I was oly hable to get "hostname". In MacOS it is just there. with "hostname.local"
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    php at pk1048 dot com
    1 year ago
    Regarding Linux vs. macOS, that is not a difference in OS or PHP. macOS sets the hostname to <shortname>.local. Open a terminal window and run `hostname` to check. The local hostname can be set on macOS under the Sharing Preferences (or Settings if Ventura 13 or newer).
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