Before we start having a look at some examples of RxPHP, I would like to point out that Packt Publishing also published a complete book, PHP Reactive Programming, about the topic. You can find more information on their website at https://www.packtpub.com/web-development/php-reactive-programming. This is why we will only explore some basic examples to give you a feel for how using the library might look. If the subject is of interest to you, I strongly suggest you read the dedicated book.

After this very brief introduction to ReactiveX, let's see how it can be used. First we will need to install the required library. We will use a small wrapper around ReachPHP's stream library to make it usable with RxPHP so we can demonstrate accessing files ...

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