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$httplanguages = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
$languages = array();
if (empty($httplanguages)) {
return $languages;
}
foreach (explode(',', $httplanguages) as $accept) {
$result = preg_match('/^([a-z]{1,8}(?:[-_][a-z]{1,8})*)(?:;\s*q=(0(?:\.[0-9]{1,3})?|1(?:\.0{1,3})?))?$/i', $accept, $match);
if (!$result) {
continue;
}
if (isset($match[2])) {
$quality = (float)$match[2];
}
else {
$quality = 1.0;
}
$countries = explode('-', $match[1]);
$region = array_shift($countries);
$country_sub = explode('_', $region);
$region = array_shift($country_sub);
foreach($countries as $country)
$languages[$region . '_' . strtoupper($country)] = $quality;
foreach($country_sub as $country)
$languages[$region . '_' . strtoupper($country)] = $quality;
$languages[$region] = $quality;
} |
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