Part of IF inversion examples, contains only the untangled version of the function

if-inversion-untangled-function.php

<?php
function validateApplicationUntangled($user) {
    if($user->age<18) {
        printf("Sorry, but the user %s is under 18\n", $user->name);
        return false;
    }
    
    if($user->hasPreviousApplication && $user->previousApplicationApproved) {
        printf("Sorry, but the user %s has a previously approved application\n", $user->name);
        return false;
    }
    
    printf("Cool, application approved for user %s\n", $user->name);
    return true;
}