PHP Function Call by Reference Example - foxinfotech.in
Python - Call function from another function - GeeksforGeeks
php - Laravel, Call function from class returns null value - Stack Overflow
How to Define, Call & Create a function in PHP? - DevOpsSchool.com
How to get current directory, filename and code line number in PHP
Defining and Using Functions in PHP - SitePoint
PHP Get: Explained with 3 examples
php - Cannot use isset() on the result of a function call - Laravel - Stack Overflow
PHP Reusing Code and Writing Functions 1. Function = a self-contained module of code that: Declares a calling interface – prototype! Performs some task. - ppt download
What is functions in PHP | How to use functions in PHP | Syntax of functions - FutureFundamentals
get return value from a function php using oops - Stack Overflow