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(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)
Locale::lookup -- locale_lookup — Searches the language tag list for the best match to the language
面向对象风格
$languageTag,$locale,$canonicalize = false,$defaultLocale = null过程化风格
$languageTag,$locale,$canonicalize = false,$defaultLocale = null
Searches the items in languageTag for the best match to
the language range specified in locale according to
RFC 4647's lookup algorithm.
languageTag
An array containing a list of language tags to compare to
locale. Maximum 100 items allowed.
locale
The locale to use as the language range when matching.
canonicalize
If true, the arguments will be converted to canonical form before matching.
defaultLocale
The locale to use if no match is found.
The closest matching language tag or default value.
当 locale 的长度超过 INTL_MAX_LOCALE_LEN 时返回 null。
| 版本 | 说明 |
|---|---|
| 7.4.0 |
defaultLocale is nullable now.
|
示例 #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', true, 'en_US');
?>
示例 #2 OO example
<?php
$arr = array(
'de-DEVA',
'de-DE-1996',
'de',
'de-De'
);
echo Locale::lookup($arr, 'de-DE-1996-x-prv1-prv2', true, 'en_US');
?>
以上例程会输出：
de_de_1996
