Adobe Flex

First of all let me tell you that you can communicate from Flex over HTPP or HTTPS. It depends on your need.
Second, when it comes to user authentication you can use basically the same workflow you use in HTML/PHP apps. For example suppose you authenticate the user from the client (could be an HTML form [...]

The asynchronous nature of Flex is something rather different from anything in PHP. It is important to understand this, stop fighting it, and go with the flow.
What does it mean that Flex is asynchronous? Suppose you create a Flex application, and after the application is loaded in [...]

As a PHP developer, you have a very direct way to read data, parse them, and display them on the screen. Connecting to a MySQL database is one of the first things any PHP developer learns.
What about Flex? I have to disappoint you, because you don’t have direct [...]

Client/server architecture
If you want to categorize Flex applications, you can say that Flex applications follow SOA architecture model, where Flex is used to create the client and you connect the client to data using services.
Let’s go back to browsers and how web applications are delivered. When the browser [...]

Both Flex and AJAX are client-side technologies and both can be used to create RIAs or to “augment” existent web applications. Like in the case of Flex, typically an AJAX application makes a request [...]

What is Flex?
Enough digressions! Let’s start from the beginning: what is actually Flex (I assume by now everyone knows what PHP is)?
The simplest answer is: Flex is just another way of creating an application authored in Adobe Flash Professional on Adobe Flash Player. A Flex application gets compiled [...]

You will learn about the Adobe Flash Platform, Adobe Flex and how Flex fits into the world of an Adobe ColdFusion developer. This is a high level discussion that will explain what Flex is and two ways that it is commonly used with ColdFusion.
Understanding the Adobe Flash [...]

Adobe® Flash® Builder™ 4 (formerly Adobe Flex® Builder™) software is designed to help software developers rapidly develop cross-platform rich Internet applications (RIAs) and content using the open source Flex framework. It includes support for intelligent coding, debugging, and visual design and features powerful testing tools that speed up [...]

BlazeDS is the server-based Java remoting and web messaging technology that enables developers to easily connect to back-end distributed data and push data in real-time to Adobe® Flex™ and Adobe AIR™ applications for more responsive rich Internet application (RIA) experiences.
The evolution to more engaging RIAs has created the need for better [...]

Using the open source Flex framework, developers can create more intuitive and engaging web applications that enable customers, partners, and employees to manage and interpret data more effectively. The results are increased productivity and greater user satisfaction. Embed micro-applications or components within existing websites, or revolutionize your entire web experience with immersive, single-screen applications built [...]