March 2008
Intermediate to advanced
458 pages
11h 25m
English
Content preview from Oracle Database Ajax & PHP Web Application DevelopmentBecome 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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Public, Protected, and Private
The public, protected, and private keywords describe what kind of access restriction is in place for an object’s attributes and methods. Public is the least restrictive and means that any other object or code can gain direct access. This is why code can call the erase and describePencil methods in the examples in the preceding section. The class definition states that these methods are public.
For any PHP class it is possible to declare all of the attributes and methods as public. This has its advantages and disadvantages. One advantage of public attributes is that methods are not needed to access or change them, so there is less code. A major disadvantage is that since these attributes are public, they are not ...
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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.