Are there any best practices for creating functions in PHP?

When creating functions in PHP, it is important to follow best practices to ensure code readability, reusability, and maintainability. Some best practices include using clear and descriptive function names, keeping functions short and focused on a single task, using parameters to pass data into functions, and returning values rather than relying on global variables. 

// Example of a function following best practices
function calculateSum($num1, $num2) {
    return $num1 + $num2;
}

Keywords

function creation PHP coding standards error handling code optimization

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