Can we pass an array as parameter in any function in PHP?

Question

I have a function to send mail to users and I want to pass one of its parameter as an array of ids.

Is this possible to do? If yes, how can it be done?

Suppose w

Answer 1

In php 5, you can also hint the type of the passed variable:

function sendemail(array $id, $userid){
  //function body
}

See type hinting.