Rules syntax could be found at https://unicode-org.github.io/icu/userguide/transforms/general/#overview
(PHP 5 >= 5.4.0, PHP 7, PHP 8, PECL intl >= 2.0.0)
Transliterator::createFromRules -- transliterator_create_from_rules — Create transliterator from rules
面向对象风格
$rules
, int $direction
= Transliterator::FORWARD): ?Transliterator过程化风格
$rules
, int $direction
= Transliterator::FORWARD): ?TransliteratorCreates a Transliterator from rules.
本函数还未编写文档,仅有参数列表。
rules
The rules as defined in Transform Rules Syntax of UTS #35: Unicode LDML.
direction
The direction, defaults to Transliterator::FORWARD. May also be set to Transliterator::REVERSE.
Returns a Transliterator object on success,
or null
on failure.
Rules syntax could be found at https://unicode-org.github.io/icu/userguide/transforms/general/#overview
// string normalization example$transliterator = Transliterator::createFromRules('' . ':: [^йЙ];' . ':: NFD;' . ' [:White_Space:]+ > \' \';' . ':: Upper();' . ':: [:Nonspacing Mark:] Remove;' . ':: NFC;', Transliterator::FORWARD);$str = 'ручей příklad';echo str_replace('й', 'Й', $transliterator->transliterate($str));// result:// РУЧЕЙ PRIKLAD