How does using variable function names in PHP affect code readability and maintainability?

Using variable function names in PHP can make code less readable and maintainable because it can be harder to understand the purpose of the function and follow the flow of the code. It can also make it more challenging to debug and troubleshoot issues. To improve readability and maintainability, it's recommended to use descriptive function names that clearly indicate the purpose of the function. 

// Bad practice: using variable function names
$functionName = 'doSomething';
$functionName();

// Good practice: using descriptive function names
function performTask() {
    // function logic here
}

performTask();

Keywords

variable function names PHP code readability maintainability

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