Note If you install this component outside of a Symfony application, you must require the vendor/autoload.php file in your code to enable the class autoloading mechanism provided by Composer. Read this article for more details. What is a String? You can skip this section if you already know what a "code point" or a "grapheme cluster" are in the context of handling strings. Otherwise, read this sec
![The String Component (Symfony Docs)](https://cdn-ak-scissors.b.st-hatena.com/image/square/b007104dc5bb21837ce4e44ef1bc12ae2175bac1/height=288;version=1;width=512/https%3A%2F%2Fsymfony.com%2Fimages%2Fopengraph%2Fsymfony.png)