# Language Detector
Determines website visitor's most likely language. Works by parsing HTTP header Accept Language, or, when the header is not sent, other clues are used:
* The server may know the client's locale code. Language is then determined from locale.
* The server may know the client's country code (from IP address). Language is then determined from country code.
## Dependency
Package [peterkahl/country-to-locale](https://github.com/peterkahl/Country-to-Locale "Required dependency") is a required dependency.
## Usage
```php
use peterkahl\languageDetector\languageDetector;
# For testing purposes, we set the header. Otherwise to be omitted.
$_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'zh-CN,zh;q=0.5,en;q=0.25';
$langObj = new languageDetector;
$langObj->languageDefault = 'en-gb';
$langObj->languageMap = array(
'zh-hk' => 'zh-hk',
'zh-mo' => 'zh-hk',
'zh-tw' => 'zh-hk',
'zh-hant*' => 'zh-hk',
'zh-yue*' => 'zh-hk',
'zh-cn' => 'zh-cn',
'zh-sg' => 'zh-cn',
'zh-my' => 'zh-cn',
'zh-hans*' => 'zh-cn',
'zh' => 'zh-cn',
'ja*' => 'ja-jp',
'sk*' => 'sk-sk',
'cs*' => 'cs-cz',
'it*' => 'it-it',
'nl*' => 'nl-nl',
'fr*' => 'fr-fr',
'ru*' => 'ru-ru',
'es*' => 'es-es',
'pt*' => 'pt-pt',
'de*' => 'de-de',
'en*' => 'en-gb',
);
$langObj->countryCode = 'DE'; # Value provided by GeoIP detection of your server
$langObj->anonymousProxy = 'no'; # Value provided by GeoIP detection of your server
$langObj->detect();
echo $langObj->getLanguage(); # zh-cn
echo $langObj->getMethod(); # accept-language
```
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