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<?php
declare(strict_types=1);
namespace Jasny;
/**
* Logic around APPLICATION_ENV environment variable
* Supports sub-environments separated by a dot.
*/
class ApplicationEnv
{
protected string $env;
* ApplicationEnv constructor.
public function __construct(string $env)
$this->env = $env;
}
* Cast object to a string
public function __toString(): string
return $this->env;
* Check if environment matches or is a parent.
public function is(string $env): bool
return $this->env === $env || str_starts_with($this->env, "$env.");
* Traverse through each level of the application env.
*
* @return array<mixed>
public function getLevels(int $from = 1, ?int $to = null, ?callable $callback = null): array
$parts = explode('.', $this->env);
$n = isset($to) ? min(count($parts), $to) : count($parts);
$levels = [];
for ($i = $from; $i <= $n; $i++) {
$level = join('.', array_slice($parts, 0, $i));
$levels[] = isset($callback) ? $callback($level) : $level;
return $levels;
jasny /
application-env
