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enix-app/kotoblog_parse-http-accept-language-header.php

Forked from spolischook/kotoblog_parse-http-accept-language-header.php
Created September 21, 2020 06:35
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Get prefer language by parsing HTTP_ACCEPT_LANGUAGE header
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kotoblog_parse-http-accept-language-header.php
<?php
$prefLocales = array_reduce(
explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']),
function ($res, $el) {
list($l, $q) = array_merge(explode(';q=', $el), [1]);
$res[$l] = (float) $q;
return $res;
}, []);
arsort($prefLocales);
/*
This get you from headers like this
string 'en-US,en;q=0.8,uk;q=0.6,ru;q=0.4' (length=32)
array like this
array (size=4)
'en-US' => float 1
'en' => float 0.8
'uk' => float 0.6
'ru' => float 0.4
*/
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