Creating a DotEnv Loader in PHP

# A PostgreSQL connection stringDATABASE_URL=postgres://localhost:5432/noah_arc# The lowest level of logs to outputLOG_LEVEL=debug# The environment to run the application inNODE_ENV=development# The HTTP port to run the application onPORT=8080# The secret to encrypt session IDs withSESSION_SECRET=developmentAPI_KEY="hwhhwhshs6585gahwhgwuwjwusuhs"APP_KEY=VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw==APP_DESCRIPTION="This is a long sentence with whitespace and characters "

<?phpnamespace PHPizer\DotEnv;use Exception;class DotEnv{    protected $path;    public $variables;    public function __construct(string $path)    {        if (!file_exists($path)) {            throw new Exception("File not found: {$path}");        }        $this->path = $path;    }    public function load(): void    {        if (!is_readable($this->path)) {            throw new Exception("File not readable: {$this->path}");        }        $lines = file($this->path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);        foreach ($lines as $line) {            if (strpos(trim($line), '#') === 0) {                continue;            }            list($name, $value) = explode('=', $line, 2);            $name = trim($name);            $value = trim($value,"\x00..\x1F\"");            $this->variables[$name] = $value;            if (!array_key_exists($name, $_SERVER) && !array_key_exists($name, $_ENV)) {                putenv(sprintf('%s=%s', $name, $value));                $_ENV[$name] = $value;                $_SERVER[$name] = $value;            }        }    }}

<?phpdeclare(strict_types=1);namespace Tests;use PHPizer\DotEnv\DotEnv;use PHPUnit\Framework\TestCase;final class DotEnvTest extends TestCase{    protected $path;    protected DotEnv $dotEnv;    public function testLoadEnv(): void    {        $this->path = "./tests/test.env";        $this->dotEnv = new DotEnv($this->path);        $this->assertNull($this->dotEnv->variables);        $this->dotEnv->load();        $envArray = [            "DATABASE_URL" => "postgres://localhost:5432/noah_arc",            "LOG_LEVEL" => "debug",            "NODE_ENV" => "development",            "PORT" => 8080,            "SESSION_SECRET" => "development",            "API_KEY" => "hwhhwhshs6585gahwhgwuwjwusuhs",            "APP_KEY" => "VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw==",            "APP_DESCRIPTION" => "This is a long sentence with whitespace and characters "        ];        foreach ($this->dotEnv->variables as $key => $value) {            $this->assertEquals($value, $_ENV[$key]);            $this->assertEquals($value, $_SERVER[$key]);            $this->assertEquals($value, $envArray[$key]);        }        $this->assertTrue(true);    }}