PHP: Passing Arguments by Reference
⭕ Overview
In this video, I delve into the fundamental concepts of passing arguments to functions in PHP, focusing on the differences between passing by value and passing by reference. Understanding these two methods is crucial for PHP developers as it affects how function arguments are handled and modified within the function body.
We'll start by exploring the default method—passing by value—where a copy of the argument's data is passed, leaving the original data unchanged. Then, we'll cover passing by reference, which involves passing the actual memory address of the argument, allowing the function to modify the original variable's data directly.
Throughout the tutorial, I'll demonstrate practical examples of each method to illustrate how they can be used effectively in your PHP coding projects. This will include common pitfalls and best practices to ensure you understand when and how to use each method appropriately.
By the end of this tutorial, you'll have a clear understanding of function argument passing in PHP, empowering you to write more efficient and effective functions in your applications.
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⭕ About me
I am a Web Instructor at a technical college, Facilitator at Boston University Metropolitan College, Web Instructor at University of California, Irvine - Division of Continuing Education. I’ve authored a textbook and some complete sets of video training courses for / learning (formerly Lynda.com) and https://www.packtpub.com.
⭕ Visit my site: https://christianhur.com
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