(PHP 5 >= 5.3.0, PECL intl >= 1.0.0)
Locale::lookup -- locale_lookup — Searches the language tag list for the best match to the language
Object oriented style
Procedural style
Searches the items in langtag for the best match to the language range specified in locale according to RFC 4647's lookup algorithm.
An array containing a list of language tags to compare to locale . Maximum 100 items allowed.
The locale to use as the language range when matching.
The locale to use if no match is found.
The closest matching language tag or default value.
Example #1 locale_lookup() example
<?php
$arr = array(
'de-DEVA',
'de-DE-1996',
'de',
'de-De'
);
echo locale_lookup($arr, 'de-DE-1996-x-prv1-prv2', 'en_US');
?>
Example #2 OO example
<?php
$arr = array(
'de-DEVA',
'de-DE-1996',
'de',
'de-De'
);
echo Locale::lookup($arr, 'de-DE-1996-x-prv1-prv2', 'en_US');
?>
上例将输出:
de_de_1996