Introduction: PHP provides powerful system functions to help us complete functions, but sometimes it is not enough to just use system functions. Custom functions need to be encapsulated according to the business, as explained in "PHP Advanced - Function Video Tutorial" It explains how to customize functions and common problems in custom functions. It is a must-read course for getting started with PHP.
"Advanced PHP - Function Video Tutorial" allows you to learn: 1. How to customize functions 2. Function execution principle 3. Use of parameters in custom functions 4. Use of special functions (variable functions, recursive functions, destroy functions) 5. Encapsulate commonly used functions