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<?php
declare(strict_types=1);
namespace PhpMyAdmin;
use RuntimeException;
use function __;
final class FlashMessages
{
private const STORAGE_KEY = 'flashMessages';
/** @var array */
private $storage;
/** @var array<string, string[]> */
private $previousMessages = [];
public function __construct()
{
if (! isset($_SESSION)) {
throw new RuntimeException(__('Session not found.'));
}
$this->storage = &$_SESSION;
if (isset($this->storage[self::STORAGE_KEY])) {
$this->previousMessages = $this->storage[self::STORAGE_KEY];
}
$this->storage[self::STORAGE_KEY] = [];
}
public function addMessage(string $key, string $message): void
{
if (! isset($this->storage[self::STORAGE_KEY][$key])) {
$this->storage[self::STORAGE_KEY][$key] = [];
}
$this->storage[self::STORAGE_KEY][$key][] = $message;
}
/** @return string[]|null */
public function getMessage(string $key): ?array
{
return $this->previousMessages[$key] ?? null;
}
/** @return array<string, string[]> */
public function getMessages(): array
{
return $this->previousMessages;
}
}
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