What are the potential pitfalls of using uppercase function names in PHP?

Using uppercase function names in PHP can lead to potential conflicts with built-in functions or future updates to the PHP language. To avoid this issue, it is recommended to use lowercase function names for user-defined functions. This practice helps maintain code readability and consistency. 

function my_function() {
  // function code here
}

my_function(); // calling the user-defined function

Keywords

uppercase function names PHP naming conventions coding standards syntax errors

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