DotEnv.php

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<?php
 
namespace SteeveDroz\NanoFramework;

abstract class DotEnv
{
    protected static $root = './';

    protected static array $data = [];

    public static function setRoot(string $root): void
    {
        if ('/' != substr($root, -1)) {
            $root .= '/';
        }
        self::$root = $root;
    }

    public static function getRoot(): string
    {
        return self::$root;
    }

    public static function load(): void
    {
        self::$data = [];
        if (!file_exists(self::$root . '.env')) {
            return;
        }
 
        $entries = file(self::$root . '.env', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
 
        foreach ($entries as $line) {
            $line = preg_replace('/#.*$/', '', $line);
            $elements = [];
            preg_match('/^\s*(\w+)\s*=\s*(.*)\s*$/', $line, $elements);
            if (count($elements) > 2) {
                self::$data[$elements[1]] = trim($elements[2]);
            }
        }
    }

    public static function getEnv(string $key): ?string
    {
        if (0 == count(self::$data)) {
            self::load();
        }
 
        return self::$data[$key] ?? null;
    }

    public static function setEnv(string $key, string $value): void
    {
        self::$data[$key] = $value;
    }
}