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<?php
declare(strict_types=1);
namespace PhpMyAdmin\Utils;
final class SessionCache
{
private static function key(): string
{
global $cfg, $server;
$key = 'server_' . $server;
if (isset($cfg['Server']['user'])) {
return $key . '_' . $cfg['Server']['user'];
}
return $key;
}
public static function has(string $name): bool
{
return isset($_SESSION['cache'][self::key()][$name]);
}
/**
* @return mixed|null
*/
public static function get(string $name, ?callable $defaultValueCallback = null)
{
if (self::has($name)) {
return $_SESSION['cache'][self::key()][$name];
}
if ($defaultValueCallback !== null) {
$value = $defaultValueCallback();
self::set($name, $value);
return $value;
}
return null;
}
/**
* @param mixed $value
*/
public static function set(string $name, $value): void
{
$_SESSION['cache'][self::key()][$name] = $value;
}
public static function remove(string $name): void
{
unset($_SESSION['cache'][self::key()][$name]);
}
}
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