Is "learning by doing" a valid approach for mastering PHP, and how can beginners effectively apply this method?

"Learning by doing" is a valid approach for mastering PHP as it allows beginners to practice writing code, troubleshoot errors, and understand the language through practical application. To effectively apply this method, beginners can start by working on small projects or exercises, experimenting with different PHP functions and syntax, and seeking help from online resources or communities when stuck.

<?php

// Example of learning by doing: creating a simple PHP function
function greet($name) {
    return "Hello, $name!";
}

// Calling the function with a name argument
echo greet("John");

?>