August 2013
Intermediate to advanced
140 pages
1h 49m
English
Content preview from PHP Quick Scripting Reference
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CHAPTER 28
Advanced Variables
In addition to being a container for data, PHP variables have some other features that will be examined in this chapter. These are features that are not commonly used but are good to know about.
Curly syntax
A variable name can be explicitly specified by enclosing it in curly brackets. This is known as curly or complex syntax. To illustrate, the following code will output the variable even though it appears in the middle of a word.
$fruit = 'Apple';echo "Two {$fruit}s"; // "Two Apples"
More importantly, the curly syntax is useful for forming variable names out of expressions. Consider the following code which uses ...
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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.