October 2006
Intermediate to advanced
720 pages
17h 56m
English
Content preview from Oracle Database 10g Express Edition PHP Web Programming
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Managing Function Parameters
In this section, you will learn how to use and manage parameters to build effective functions. While functions that don’t use parameters typically do very little, they can be very useful for fixed or static tasks. Parameterized functions provide dynamic code blocks that meet more complex programming tasks often required by business rules.
Parameters by Value or Reference
As discussed in the introduction to this chapter, parameters are passed by value or reference to functions. Passing a parameter by value means that you hand a copy of the variable or literal value to a function. The alternative to passing a parameter by value is to pass one by reference, which means that you provide a reference or pointer to the ...
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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.