Environment.php
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Environment.php
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	<?php

	namespace Keruald\OmniTools\OS;

	use InvalidArgumentException;

	use Keruald\OmniTools\DataTypes\Option\Option;

	class Environment {

	public static function has (string $key) : bool {
	return array_key_exists($key, $_ENV)
	\|\| array_key_exists($key, $_SERVER);
	}

	/**
	* @throws InvalidArgumentException
	*/
	public static function get (string $key) : string {
	if (!self::has($key)) {
	throw new InvalidArgumentException("Key not found: $key");
	}

	return $_ENV[$key] ?? $_SERVER[$key];
	}

	/**
	* Try to get an environment value
	*
	* @param string $key The key of the environment value to get
	*
	* @return Option Some<string> if found, None if not found
	*/
	public static function tryGet (string $key) : Option {
	$value = $_ENV[$key] ?? $_SERVER[$key] ?? null;

	return Option::from($value);
	}

	public static function getOr (string $key, string $default) : string {
	return $_ENV[$key] ?? $_SERVER[$key] ?? $default;
	}

	}