In what ways can a beginner improve their understanding of PHP fundamentals before attempting to create a login system?

Before attempting to create a login system in PHP, a beginner can improve their understanding of PHP fundamentals by studying basic concepts such as variables, data types, control structures, functions, and arrays. They can also practice writing simple PHP scripts to manipulate data, interact with databases, and handle user input securely.

<?php

// Example of a simple PHP script to demonstrate basic concepts
$name = "John";
$age = 30;

if ($age >= 18) {
    echo $name . " is an adult.";
} else {
    echo $name . " is a minor.";
}

?>