PHP Manual: Tries to find out best available locale based on HTTP "Accept-Language" header

Object-oriented style

public static stringfalse Locale::acceptFromHttp(string $header)

Procedural style

stringfalse locale_accept_from_http(string $header)

Tries to find locale that can satisfy the language list that is requested by the HTTP "Accept-Language" header.

header: The string containing the "Accept-Language" header according to format in RFC 2616.

The corresponding locale identifier.

Returns false when the length of header exceeds INTL_MAX_LOCALE_LEN.

Example #1 locale_accept_from_http example

<?php
$locale = locale_accept_from_http($_SERVER['HTTP_ACCEPT_LANGUAGE']);
echo $locale;
?>

Example #2 OO example

<?php
$locale = Locale::acceptFromHttp($_SERVER['HTTP_ACCEPT_LANGUAGE']);
echo $locale;
?>

The above example will output:

en_US

Locale::acceptFromHttp