Post Gallery - Default settings by code.

settings.php

<?php
// The class settings is located at PostGallery\Models\PostGallery
// There are 2 ways of calling and using this class.

// - 1 - Using use statement
use PostGallery\Models\PostGallery;
$settings = PostGallery::find();

// - 2 - Without use statement
$settings = PostGallery\Models\PostGallery::find();

//-----------------------------------------
// Then you can read/write the settings by code
$settings->can_enqueue = 0;
$settings->types = ['custom-post-type','post'];
$settings->metabox_context = 'advanced';
$settings->metabox_priority = 'default';

// Then save the settings by code
$settings->save();

// Settings are cached, so you will need to clear cached settings
// Once cleared, settings will be refreshed
$settings->clear();