moodle_local_treestudyplan/classes/local/helpers/debugger.php

<?php
// This file is part of the Studyplan plugin for Moodle
//
// 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 <https://www.gnu.org/licenses/>.
/**
 *
 * @package    local_treestudyplan
 * @copyright  2023 P.M. Kuipers
 * @license    https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace local_treestudyplan\local\helpers;

use DateTime;

class debugger {

    private $fname;
    private $tag;
    private $enabled = false;

    public function __construct($filename, $tag) {
        global $CFG;

        $this->fname = $filename;
        $this->tag = $tag;

        // Assume debug environment if cachejs is false.
        $this->enabled = (isset($CFG->cachejs) && $CFG->cachejs == false);

    }

    public function dump($object, string $tag="") {
        if (strlen($tag) > 0) {
            $tag .= ":\n";
        }
        $o = json_encode($object);
        $this->writeblock($tag.": ".$o);

    }

    public function write($str) {
        $this->writeblock($str);
    }

    private function writeblock($str) {
        if ($this->enabled) {
            $now = new DateTime();

            $tagline = "[ {$this->tag} - ".$now->format("c")." ]";

            $fp = fopen($this->fname, "a");
            fwrite($fp, $tagline . ":\n".$str."\n");
            fclose($fp);
        }
    }
}