Revert "Upload New File"

This reverts commit 86166f3d

solution.php

-<?php
-
-// This code works in PHP.
-//
-// Run builtin PHP web server like so:
-//
-//   php -S localhost:8080 ./main.php
-//
-// Then visit this page in your browser:
-//
-//   http://localhost:8080/?accounts[]=Rulon_User&accounts[]=Bidon_Admin
-//
-// The output should be:
-//
-//   name=Rulon
-//   name=Bidon
-// 
-// TODO: Make this code compile and run with KPHP with minimal
-// changes while trying to keep the code as idiomatic as possible.
-
-
-class AccountFactory {
-  public static function newAccount(string $name, string $account_type) {
-    if($account_type == 'Admin') {
-        return new Admin($name);
-    } else if($account_type == 'User') {
-        return new User($name);
-    }
-    return null;
-  }
-}
-
-class Admin {
-  public string $name;
-  public bool $is_valid;
-  public function __construct($name) {
-    $this->name = $name;
-  }
-}
-
-class User extends Admin {
-  public function __construct($name) {
-    $this->name = $name;
-  }
-}
-
-/** @param Admin[] $accounts */
-function validate_accounts($accounts) {  
-  foreach ($accounts as $a) {
-    $a->is_valid = !empty($a->name);
-  }
-}
-
-/** @param Admin[] $accounts */
-function collect_names($accounts) {
-  return array_map(function ($a) {
-    return $a->name;
-  }, $accounts);
-}
-
-/** @param string[] $names */
-function print_names($names) {
-  foreach ($names as $name) {
-    echo "name=$name<br>";
-  }
-}
-
-/** 
- * @kphp-required 
- */
-function callback(Admin $a) {
-    return $a->is_valid;
-}
-
-function main() {
-  $raw_accounts = $_GET['accounts'];
-  if (!$raw_accounts) {
-    die('$_GET["accounts"] is empty');
-  }
-  $accounts = [];
-  foreach ($raw_accounts as $raw) {
-    $parts = explode('_', $raw);
-    if (count($parts) !== 2) {
-      continue;
-    }
-    $accounts[] = AccountFactory::newAccount($parts[0], $parts[1]);
-  }
-  validate_accounts($accounts);
-  $validated_accounts = array_filter($accounts, "callback");
-  $names = collect_names($validated_accounts);
-  print_names($names);
-}
-
-main();
-
-?>
\ No newline at end of file