Loads Variables by reading a file from disk and:
- stripping comments beginning with a #
- parsing lines that look shell variable setters, e.g export key = value, key="value"
/**
* @inheritDoc
*/
public function boot()
{
$filePath = rtrim($this->kernel->getRootPath(), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . '.env';
$envLoader = new Loader($filePath);
if ($this->kernel->isCli()) {
/** @var InputInterface $consoleInput */
$consoleInput = $this->container->get(InputInterface::class);
$env = $consoleInput->getParameterOption(['--env', '-e']);
if ($env) {
$envLoader->setEnvironmentVariable('APP_ENV', $env);
}
}
}
/**
* Dotenv constructor.
* @param string $filePath
*/
public function __construct($filePath)
{
parent::__construct($filePath);
if (file_exists($filePath)) {
$this->load();
}
}
public function clearEnvironmentVariable($name)
{
parent::cleanEnvironmentVariable($name);
if (!$this->immutable) {
unset($this->notenv_data[$name]);
}
}
/**
* Assert that the callback returns true for each variable.
*
* @param callable $callback
* @param string $message
*
* @return \Dotenv\Validator
*/
protected function assertCallback($callback, $message = 'failed callback assertion')
{
if (!is_callable($callback)) {
throw new \InvalidArgumentException('Callback must be callable');
}
$variablesFailingAssertion = array();
foreach ($this->variables as $variableName) {
$variableValue = $this->loader->getEnvironmentVariable($variableName);
if (call_user_func($callback, $variableValue) === false) {
$variablesFailingAssertion[] = $variableName . " {$message}";
}
}
if (count($variablesFailingAssertion) > 0) {
throw new \RuntimeException(sprintf('One or more environment variables failed assertions: %s', implode(', ', $variablesFailingAssertion)));
}
return $this;
}
/**
* @override
* @inheritDoc
*/
public function clearEnvironmentVariable($name)
{
if (strpos($name, 'INI_') === 0) {
$normalized = str_replace('INI_', '', $name);
$normalized = strtolower($normalized);
$this->invoker->call('ini_restore', [$normalized]);
}
parent::clearEnvironmentVariable($name);
}
/**
* Load `.env` file in given directory.
*
* @return array
*/
public function overload()
{
$this->loader = new Loader($this->filePath, $immutable = false);
return $this->loader->load();
}
/**
* Actually load the data.
*
* @param bool $overload
*
* @return array
*/
protected function loadData($overload = false)
{
$this->loader = new Loader($this->filePath, !$overload);
return $this->loader->load();
}