What are some recommended resources or tutorials for beginners to improve their understanding of basic PHP functions and concepts?

For beginners looking to improve their understanding of basic PHP functions and concepts, some recommended resources include the official PHP documentation, online tutorials on websites like W3Schools or Codecademy, and books such as "PHP for the Web" by Larry Ullman. These resources can help beginners learn about PHP syntax, variables, functions, loops, and other fundamental concepts in a structured and easy-to-understand manner.

<?php
// Example code snippet to demonstrate the basic syntax of a PHP function
function greet($name) {
    echo "Hello, $name!";
}

$name = "John";
greet($name);
?>