1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69
<?php
/* --------------------------------------------------------------
LanguageCode.php 2015-12-15
Gambio GmbH
http://www.gambio.de
Copyright (c) 2015 Gambio GmbH
Released under the GNU General Public License (Version 2)
[http://www.gnu.org/licenses/gpl-2.0.html]
--------------------------------------------------------------
*/
/**
* LanguageCode
*
* @category System
* @package Shared
*/
class LanguageCode
{
/**
* Language code.
* @var string
*/
protected $languageCode = '';
/**
* Class Constructor
*
* Validates the parameter and saves it to the property in uppercase format.
*
* @param StringType $code
*
* @throws InvalidArgumentException
*/
public function __construct(StringType $code)
{
if(strlen($code->asString()) !== 2) // Argument must have 2 letters.
{
throw new InvalidArgumentException('$code must have exactly 2 letters');
}
$this->languageCode = strtoupper($code->asString());
}
/**
* Returns the language code.
* @return string
*/
public function __toString()
{
return $this->languageCode;
}
/**
* As String
*
* Returns the language code as a string.
*
* @return string
*/
public function asString()
{
return $this->languageCode;
}
}