PHP pow() function - w3resource
What is functions in PHP | How to use functions in PHP | Syntax of functions - FutureFundamentals
What are Functions in PHP – vegibit
What is difference between echo, print, and print_r in PHP with example? - DevOpsSchool.com
PHP for beginners part 1. Hi all! In my article series here i'm… | by Thushani Suresh | Medium
Using the empty() Function in PHP - Pi My Life Up
What is the $this in PHP OOP with Example?
PHP Recursive Function | Top 2 Examples of PHP Recursive Function
PHP echo and print statement with 6 examples
User Defined Function In PHP
How to echo HTML in PHP ? - GeeksforGeeks
Unacademy - India's largest learning platform
How to write JavaScript code inside PHP - Quora
What is functions in PHP | How to use functions in PHP | Syntax of functions - FutureFundamentals
Difference between Echo and Print in PHP | Echo vs Print in PHP
Square Root in PHP | Finding Square Root of given number with Examples
Echo In PHP | Echo And Print Statements In PHP | Edureka
php - How to echo a <form> tag - Stack Overflow
