moodle-filter_bibleversesnwt/filter.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Filter main class for the filter_pluginname plugin.
 *
 * @package   filter_pluginname
 * @copyright Year, You Name <your@email.address>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

 use filter_bibleversesnwt\bible;

class filter_bibleversesnwt extends moodle_text_filter {
    private $courseconfig;
    private $adminconfig;

    public function setup($page, $context) {
        $page->requires->js_call_amd('filter_bibleversesnwt/filter_bibleversesnwt','init', []);
    }

    private function fetch_prop($prop,$default){
        global $COURSE;
    
        if ($this->localconfig && !empty($this->localconfig)) {
            $this->courseconfig = $this->localconfig;
        }
        if (!$this->courseconfig) {
            $this->courseconfig = filter_get_local_config('bibleversesnwt', context_course::instance($COURSE->id)->id);
        }
            
        if ($this->courseconfig && isset($this->courseconfig[$prop])) {
           return $this->courseconfig[$prop];
        } else {
            if(!$this->adminconfig) { 
                $this->adminconfig =get_config('filter_bibleversesnwt');
            }
            return isset($this->adminconfig->{$prop}) ? $this->adminconfig->{$prop} : $default;
        }
     }

    function filter($text, array $options = []) {
        // Return the modified text.
        $lang = $this->fetch_prop('biblelang','nl');
        $bible = new bible($lang);
        return $bible->parse($text);
        
    }
}