How can beginners improve their understanding of PHP fundamentals to prevent confusion when working with functions?

Beginners can improve their understanding of PHP fundamentals by practicing with simple functions and gradually increasing complexity. They should focus on understanding the basic syntax, parameters, return values, and how functions interact with other parts of the code. Additionally, utilizing online resources, tutorials, and practicing with small projects can help solidify their understanding. 

// Example of a simple function in PHP
function addNumbers($num1, $num2) {
    return $num1 + $num2;
}

// Calling the function
$result = addNumbers(5, 3);
echo $result; // Output: 8

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PHP fundamentals functions beginners understanding confusion

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