[PHP-NOTES] note 130820 added to book.intl

The intl extension is very useful, but it is quite low-level. In practice, using it directly can become verbose, especially for common localisation tasks that require combining multiple ICU classes and options.

For many applications, it can be helpful to use a higher-level interface on top of ext-intl. An example of such a package is Cosmo:

https://cosmo.miloun.com/?lang=php

It provides a more practical API for common tasks such as formatting numbers, money, percentages, dates, units, plurals, lists, and locale names, while still being based on ICU / intl.
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Manual Page -- https://php.net/manual/en/book.intl.php
Edit        -- https://main.php.net/note/edit/130820
Del: integrated  -- https://main.php.net/note/delete/130820/integrated
Del: useless     -- https://main.php.net/note/delete/130820/useless
Del: bad code    -- https://main.php.net/note/delete/130820/bad+code
Del: spam        -- https://main.php.net/note/delete/130820/spam
Del: non-english -- https://main.php.net/note/delete/130820/non-english
Del: in docs     -- https://main.php.net/note/delete/130820/in+docs
Del: other reasons-- https://main.php.net/note/delete/130820
Reject      -- https://main.php.net/note/reject/130820
Search      -- https://main.php.net/manage/user-notes.php