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

if-inversion-tangled-function.php

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