Viewing file:  Env.php (3.15 KB) -rw-r--r--
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<?php
namespace App\Lib;
use Illuminate\Support\Facades\App;
class Env
{
/**
* Get the environment value or default if not exist.
*
* @param string $key
* @param string|null $default
* @return void
*/
public static function get(string $key, string $default = null)
{
return env($key, $default);
}
/**
* set enviroment value
*
* @param string $key
* @param string $value
* @param string|null $envFilePath
* @return void
*/
public static function set(string $key, string $value, string $envFilePath = null): void
{
try {
$envFilePath = $envFilePath ?? App::environmentFilePath();
} catch (InvalidArgumentException $e) {
return;
}
$content = file_get_contents($envFilePath);
[$newEnvFileContent, $isNewVariableSet] = self::setEnvVariable($content, $key, $value);
self::writeFile($envFilePath, $newEnvFileContent);
}
/**
* Set or update env-variable.
*
* @param string $envFileContent Content of the .env file.
* @param string $key Name of the variable.
* @param string $value Value of the variable.
*
* @return array [string newEnvFileContent, bool isNewVariableSet].
*/
protected static function setEnvVariable(string $envFileContent, string $key, string $value): array
{
$oldPair = self::readKeyValuePair($envFileContent, $key);
// Wrap values that have a space or equals in quotes to escape them
if (preg_match('/\s/',$value) || strpos($value, '=') !== false) {
$value = '"' . $value . '"';
}
$newPair = $key . '=' . $value;
// For existed key.
if ($oldPair !== null) {
$replaced = preg_replace('/^' . preg_quote($oldPair, '/') . '$/uimU', $newPair, $envFileContent);
return [$replaced, false];
}
// For a new key.
return [$envFileContent . "\n" . $newPair . "\n", true];
}
/**
* Read the "key=value" string of a given key from an environment file.
* This function returns original "key=value" string and doesn't modify it.
*
* @param string $envFileContent
* @param string $key
*
* @return string|null Key=value string or null if the key is not exists.
*/
protected static function readKeyValuePair(string $envFileContent, string $key): ?string
{
// Match the given key at the beginning of a line
if (preg_match("#^ *{$key} *= *[^\r\n]*$#uimU", $envFileContent, $matches)) {
return $matches[0];
}
if (preg_match('/^\s*' . preg_quote($key, '/') . '\s*=\s*(.*)$/uimU', $envFileContent, $match)){
return $match[0];
}
return null;
}
/**
* writeFile
*
* @param string $path
* @param string $contents
* @return boolean
*/
protected static function writeFile(string $path, string $contents): bool
{
return (bool)file_put_contents($path, $contents, LOCK_EX);
}
}
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