// Translit each and every char to ASCII
$string = 'Москва́';
$string = Transliterator::create('Any-Latin; Latin-ASCII')->transliterate($string);
print $string;
// the result is "Moskva"
(PHP 5 >= 5.4.0, PHP 7, PHP 8, PECL intl >= 2.0.0)
Transliterator::create -- transliterator_create — Create a transliterator
面向对象风格
$id, int $direction = Transliterator::FORWARD): ?Transliterator过程化风格
Opens a Transliterator by ID.
本函数还未编写文档，仅有参数列表。
idThe ID. A list of all registered transliterator IDs can be retrieved by using Transliterator::listIDs().
directionThe direction, defaults to Transliterator::FORWARD. May also be set to Transliterator::REVERSE.
Returns a Transliterator object on success,
or null on failure.
// Translit each and every char to ASCII
$string = 'Москва́';
$string = Transliterator::create('Any-Latin; Latin-ASCII')->transliterate($string);
print $string;
// the result is "Moskva"A good example of create for non latin languages is Turkish.
There both upper case I character and lowercase ı character which makes other strtolower kind of functions useless.
$text = "Iğdır";
echo Transliterator::create("tr-Lower")->transliterate($text);
will return the correct result ığdır, not iğdır .If you want to go deeper into what is going on, read the ICU projects docs: http://userguide.icu-project.org/transforms/general
This API call is basically just wrapper around ICU Transliteration.