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<?php
namespace Dotenv;
use Dotenv\Exception\InvalidPathException;
/**
* This is the dotenv class.
*
* It's responsible for loading a `.env` file in the given directory and
* setting the environment vars.
*/
class Dotenv
{
/**
* The file path.
*
* @var string
*/
protected $filePath;
/**
* The loader instance.
*
* @var \Dotenv\Loader|null
*/
protected $loader;
/**
* Create a new dotenv instance.
*
* @param string $path
* @param string $file
*
* @return void
*/
public function __construct($path, $file = '.env')
{
$this->filePath = $this->getFilePath($path, $file);
$this->loader = new Loader($this->filePath, true);
}
/**
* Load environment file in given directory.
*
* @throws \Dotenv\Exception\InvalidPathException|\Dotenv\Exception\InvalidFileException
*
* @return array
*/
public function load()
{
return $this->loadData();
}
/**
* Load environment file in given directory, suppress InvalidPathException.
*
* @throws \Dotenv\Exception\InvalidFileException
*
* @return array
*/
public function safeLoad()
{
try {
return $this->loadData();
} catch (InvalidPathException $e) {
// suppressing exception
return array();
}
}
/**
* Load environment file in given directory.
*
* @throws \Dotenv\Exception\InvalidPathException|\Dotenv\Exception\InvalidFileException
*
* @return array
*/
public function overload()
{
return $this->loadData(true);
}
/**
* Returns the full path to the file.
*
* @param string $path
* @param string $file
*
* @return string
*/
protected function getFilePath($path, $file)
{
if (!is_string($file)) {
$file = '.env';
}
$filePath = rtrim($path, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.$file;
return $filePath;
}
/**
* Actually load the data.
*
* @param bool $overload
*
* @throws \Dotenv\Exception\InvalidPathException|\Dotenv\Exception\InvalidFileException
*
* @return array
*/
protected function loadData($overload = false)
{
return $this->loader->setImmutable(!$overload)->load();
}
/**
* Required ensures that the specified variables exist, and returns a new validator object.
*
* @param string|string[] $variable
*
* @return \Dotenv\Validator
*/
public function required($variable)
{
return new Validator((array) $variable, $this->loader);
}
/**
* Get the list of environment variables declared inside the 'env' file.
*
* @return array
*/
public function getEnvironmentVariableNames()
{
return $this->loader->variableNames;
}
}