October 2016
Intermediate to advanced
320 pages
6h 39m
English
Content preview from PHP 7 Programming BlueprintsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Working with structured data
So far, our custom expression language has only supported very simple variables-numbers and Boolean values. However, in real applications, this is often not so simple. When using an expression language to offer programmable business rules, you will often be working with structured data. For example, consider an e-commerce system in which a back-office user has the possibility to define under which conditions a discount should be offered to a user and what amount of a purchase should be discounted (the following figure shows a hypothetical example of how such a feature might actually look in an application).
Typically, you do not know beforehand how a user is going to use this feature. Using only numerical variables, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.