AcceptedLanguages.php
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AcceptedLanguages.php
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	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\HTTP\Requests;

	use Keruald\OmniTools\Collections\WeightedList;

	class AcceptedLanguages {

	/**
	* @var string
	*/
	private $acceptedLanguages;

	///
	/// Constructor
	///

	public function __construct (string $acceptedLanguages = '') {
	$this->acceptedLanguages = $acceptedLanguages;
	}

	public static function fromServer () : self {
	return new self(self::extractFromHeaders());
	}

	///
	/// Helper methods to determine the languages
	///

	public static function extractFromHeaders () : string {
	return $_SERVER['HTTP_ACCEPT_LANGUAGE'] ?? "";
	}

	public function getLanguageCodes () : array {
	return WeightedList::parse($this->acceptedLanguages)
	->toSortedArray();
	}

	}