Print the keys of an array

Question

I could not figure out how to pass a variable number of variables into a function. I thought passing in an array and using the array keys for the variables names could repla

Answer 1

I'm sure there is a better way to accomplish this, suggestions welcome

Because you asked for alternate suggestions, here's one. You can use varargs to pass a variable number of arguments to a function. Here's an example:

function my_function() {
    $numArgs = func_num_args();
    $args = func_get_args(); // an array of the arguments, in order
}

This doesn't offer you "named" arguments, but it does allow you variable numbers of arguments (like you claim you're trying to do in your question).

Here are some relevant documentation pages:

• func_get_args()
• func_get_arg()
• func_num_args()

However, that's not to say that your array-based approach is a bad one. In some ways it provides batter readability since you're explicitly mapping keys to values; maintainers reading your code will be better-able to understand what's being passed to the function. I'm just giving you some options.