IPv4.php
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IPv4.php
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	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\Network;

	use InvalidArgumentException;

	class IPv4 extends IP {

	///
	/// Constants
	///

	const DOMAIN = 2; // AF_INET

	///
	/// Properties
	///

	private string $ip;

	///
	/// Constructors
	///

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

	public static function from (string $ip) : self {
	$ipv4 = new self($ip);

	if (!$ipv4->isValid()) {
	throw new InvalidArgumentException("Address is not a valid IPv4.");
	}

	return $ipv4;
	}

	public function isValid () : bool {
	return IP::isIPv4($this->ip);
	}

	public function getDomain () : int {
	return self::DOMAIN; // AF_INET
	}

	///
	/// Magic methods
	///

	public function __toString () : string {
	return $this->ip;
	}

	}