How can PHP functions be optimized to improve code readability and maintainability?

To optimize PHP functions for better code readability and maintainability, it is essential to follow best practices such as using meaningful function names, keeping functions small and focused on a single task, and properly documenting the functions with comments. Additionally, using proper indentation and formatting can greatly improve the readability of the code. 

// Example of a well-optimized PHP function
function calculateSum($num1, $num2) {
    // Calculate the sum of two numbers
    $sum = $num1 + $num2;
    
    return $sum;
}

Keywords

PHP functions optimization code readability maintainability libraries

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