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OK to init WP by manually incl. wp-config, functions, classes & plugins.php? (4 posts)

  1. emmern
    Member
    Posted 3 years ago #

    Hey!

    I am making a plugin with a file that is to be accessed directly from a device.
    It initializes wordpress manually (to get access to the functions) by doing this:

    // Get necessary stuff to access wordpress' functions
    define('ABSPATH', dirname(dirname(dirname(dirname(__FILE__)))) . '/');
    require_once(ABSPATH .'/wp-config.php');
    require_once(ABSPATH .'/wp-includes/classes.php');
    require_once(ABSPATH .'/wp-includes/functions.php');
    require_once(ABSPATH .'/wp-includes/plugin.php');
    $wp->init();

    Is this okay, or could it harm wordpress in any way?

    Thank you.

  2. emmern
    Member
    Posted 3 years ago #

    Oh, and my intention is NOT to show the frontpage, it is strictly to send data from wordpress to the client (such as recent posts, etc).

  3. Dion Hulse
    WordPress Dev
    Posted 3 years ago #

    Do not do that.

    Well, Specifically, there are 2 routes which should be mentioned:

    1. include wp-load.php, You do not need to include any other files or do any init work WordPress does it for you.
    2. define('ABSPATH', dirname(dirname(dirname(dirname(__FILE__)))) . '/'); is not always true/correct, the plugins directory does not have to exist at wp-content/plugins/ it can be moved elsewhere to such as /my-plugins/
    3. The best way is to direct the client application to http://my-url/wp-admin/admin-post.php or http://my-url/wp-admin/admin-ajax.php and use their loggedin/non-loggedin actions.
    5. Your other option is to use XML-RPC to communicate, which would probably be preferable.

  4. Easiest way is to build an on_init function, that checks for the existence of a named $_GET or $_POST variable ... such as $_GET['myapp_api'].

    Then just do whatever you want, as WP will already be loaded, pass back whatever data you need to, then exit; or wp_exit();

    I had a similar situation before, and this just works better than trying to finnick around with including files manually.

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