What is a more elegant solution to these nested if/elseif statements?

Question

I\'m building a website that contains users with user profiles. Many of the fields in the profile are optional.

There is an opportunity for a lot of user-generate

Answer 1

//pointers to functions
$arrayOfSulutions{"display_name_strategy", "full_name_strategy" ..., "null_strategy" } 
function display_name_strategy{
     return $names['display_name'];
}
$i = 0;
while($res == null){
     $res = call($arrayOfSulutions[$i++]);
}