Locale::filterMatches

locale_filter_matches

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)

Locale::filterMatches -- locale_filter_matches — Checks if a language tag filter matches with locale

说明

面向对象风格

public static Locale::filterMatches(string $languageTag, string $locale, bool $canonicalize = false): ?bool

过程化风格

locale_filter_matches(string $languageTag, string $locale, bool $canonicalize = false): ?bool

Checks if a languageTag filter matches with locale according to RFC 4647's basic filtering algorithm

参数

languageTag: The language tag to check
locale: The language range to check against
canonicalize: If true, the arguments will be converted to canonical form before matching.

返回值

true if locale matches languageTag false otherwise.

当 locale 的长度超过 INTL_MAX_LOCALE_LEN 时返回 null。

范例

示例 #1 locale_filter_matches() example


<?php
echo (locale_filter_matches('de-DEVA','de-DE', false)) ? "Matches" : "Does not match";
echo '; ';
echo (locale_filter_matches('de-DE_1996','de-DE', false)) ? "Matches" : "Does not match";
?>

示例 #2 OO example


<?php
echo (Locale::filterMatches('de-DEVA','de-DE', false)) ? "Matches" : "Does not match";
echo '; ';
echo (Locale::filterMatches('de-DE-1996','de-DE', false)) ? "Matches" : "Does not match";
?>

以上例程会输出：

Does not match; Matches

参见

locale_lookup() - Searches the language tag list for the best match to the language