env.php

<?php
if (!isset($GLOBALS['__env_loaded'])) {
    $GLOBALS['__env_loaded'] = true;
    $env_path = __DIR__ . '/.env';

    if (is_readable($env_path)) {
        $lines = file($env_path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
        foreach ($lines as $line) {
            $line = trim($line);
            if ($line === '' || strpos($line, '#') === 0) {
                continue;
            }

            $parts = explode('=', $line, 2);
            if (count($parts) !== 2) {
                continue;
            }

            $key = trim($parts[0]);
            $value = trim($parts[1]);

            if ($value !== '' && (
                ($value[0] === '"' && substr($value, -1) === '"') ||
                ($value[0] === "'" && substr($value, -1) === "'")
            )) {
                $value = substr($value, 1, -1);
            }

            if ($key !== '') {
                putenv($key . '=' . $value);
                $_ENV[$key] = $value;
                $_SERVER[$key] = $value;
            }
        }
    }
}

if (!function_exists('env_value')) {
    function env_value($key, $default = null)
    {
        $value = getenv($key);
        return $value === false ? $default : $value;
    }
}