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

What should be clarified here.

Just pass the array when you call this function.

function sendemail($id,$userid){
Some Process....
}
$id=array(1,2);
sendmail($id,$userid);