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<?php |
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declare(strict_types=1); |
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namespace Enjoys\Dotenv; |
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use Webmozart\Assert\Assert; |
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class Dotenv |
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{ |
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private string $baseDirectory; |
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/** |
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* @var string[] |
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*/ |
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private array $envArray = []; |
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private string $distEnvFilename; |
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private string $envFilename; |
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public function __construct( |
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string $baseDirectory, |
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string $envFilename = '.env', |
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string $distEnvFilename = '.env.dist' |
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) { |
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$this->baseDirectory = rtrim($baseDirectory, "/") . DIRECTORY_SEPARATOR; |
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$this->distEnvFilename = $distEnvFilename; |
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$this->envFilename = $envFilename; |
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} |
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public function loadEnv(bool $usePutEnv = false): void |
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{ |
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$this->doMerge($this->getGeneralPaths()); |
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$this->doMerge($this->getExtraPaths()); |
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$this->doLoad($usePutEnv); |
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} |
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/** |
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* @return string[] |
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*/ |
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private function getExtraPaths(): array |
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{ |
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$env = $this->envArray['APP_ENV'] ?? ''; |
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if ($env === '') { |
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return []; |
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} |
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$path = realpath($this->baseDirectory . $this->envFilename . '.' . $env); |
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if ($path === false) { |
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return []; |
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} |
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return [$path]; |
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} |
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/** |
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* @return string[] |
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*/ |
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private function getGeneralPaths(): array |
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{ |
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$paths = [ |
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realpath($this->baseDirectory . $this->distEnvFilename), |
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realpath($this->baseDirectory . $this->envFilename) |
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]; |
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return array_filter($paths, function ($item) { |
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return is_string($item); |
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}); |
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} |
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/** |
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* @param string[] $array |
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*/ |
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private function doMerge(array $array): void |
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{ |
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foreach ($array as $path) { |
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$this->envArray = array_merge($this->envArray, $this->getArrayData($path)); |
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} |
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} |
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/** |
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* @return string[] |
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*/ |
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private function getArrayData(string $path): array |
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{ |
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$result = []; |
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$data = file_get_contents($path); |
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/** |
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* @var string $key |
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* @var string $value |
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*/ |
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foreach ($this->parseToArray($data) as $key => $value) { |
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$result[$key] = $value; |
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} |
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return $result; |
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} |
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private function parseToArray(string $input): \Generator |
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{ |
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foreach (preg_split("/\R/", $input) as $line) { |
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$line = trim($line); |
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if ($this->isComment($line)) { |
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continue; |
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} |
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$fields = array_map('trim', explode('=', $line, 2)); |
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if (count($fields) == 2) { |
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list($key, $value) = $fields; |
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Assert::regex( |
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$key, |
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'/^([A-Z_0-9]+)$/i', |
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'The key %s have invalid chars. The key must have only letters (A-Z) digits (0-9) and _' |
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); |
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yield $key => $value; |
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} |
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} |
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} |
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private function doLoad(bool $usePutEnv): void |
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{ |
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/** @var string $key */ |
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foreach ($this->envArray as $key => $value) { |
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$value = ValuesHandler::quotes($value); |
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$value = ValuesHandler::handleVariables($key, $value, $this); |
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if (getenv($key)) { |
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$value = getenv($key); |
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} |
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/** @var string $value */ |
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$_ENV[$key] = ValuesHandler::cast($value); |
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if (!getenv($key) && $usePutEnv === true) { |
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putenv("$key=$value"); |
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} |
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} |
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} |
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private function isComment(string $line): bool |
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{ |
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return (bool)preg_match('/^#/', $line); |
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} |
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/** |
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* @return string[] |
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*/ |
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3 |
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public function getEnvArray(): array |
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{ |
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3 |
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return $this->envArray; |
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} |
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158
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} |
Enjoyzz /
dotenv
