Locale
PHP Manual

Locale::lookup

locale_lookup

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)

Locale::lookup -- locale_lookupSearches the language tag list for the best match to the language

说明

面向对象风格

public static string Locale::lookup ( array $langtag , string $locale [, bool $canonicalize = false [, string $default ]] )

过程化风格

string locale_lookup ( array $langtag , string $locale [, bool $canonicalize = false [, string $default ]] )

Searches the items in langtag for the best match to the language range specified in locale according to RFC 4647's lookup algorithm.

参数

langtag

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.

default

The locale to use if no match is found.

返回值

The closest matching language tag or default value.

范例

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'true'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'true'en_US');
?>

以上例程会输出:

de_de_1996

参见


Locale
PHP Manual