src/FlashMessages.php

   1 <?php
   2
   3 declare(strict_types=1);
   4
   5 namespace PhpMyAdmin;
   6
   7 use RuntimeException;
   8
   9 use function __;
  10
  11 final class FlashMessages
  12 {
  13     private const STORAGE_KEY = 'flashMessages';
  14
  15     /** @var mixed[] */
  16     private array $storage;
  17
  18     /** @var array<string, string[]> */
  19     private array $previousMessages = [];
  20
  21     public function __construct()
  22     {
  23         if (! isset($_SESSION)) {
  24             throw new RuntimeException(__('Session not found.'));
  25         }
  26
  27         $this->storage = &$_SESSION;
  28
  29         if (isset($this->storage[self::STORAGE_KEY])) {
  30             $this->previousMessages = $this->storage[self::STORAGE_KEY];
  31         }
  32
  33         $this->storage[self::STORAGE_KEY] = [];
  34     }
  35
  36     public function addMessage(string $key, string $message): void
  37     {
  38         if (! isset($this->storage[self::STORAGE_KEY][$key])) {
  39             $this->storage[self::STORAGE_KEY][$key] = [];
  40         }
  41
  42         $this->storage[self::STORAGE_KEY][$key][] = $message;
  43     }
  44
  45     /** @return string[]|null */
  46     public function getMessage(string $key): array|null
  47     {
  48         return $this->previousMessages[$key] ?? null;
  49     }
  50
  51     /** @return array<string, string[]> */
  52     public function getMessages(): array
  53     {
  54         return $this->previousMessages;
  55     }
  56 }