kash/src/ApcuCache.php
2023-01-19 01:48:31 +00:00

87 lines
2.3 KiB
PHP

<?php
namespace Kash;
use Psr\SimpleCache\CacheInterface;
class ApcuCache implements CacheInterface
{
const DEFAULT_NS_SEPARATOR = ':';
public function __construct(
protected string $namespace,
protected int $ttl,
) {}
public function get(string $key, mixed $default = null): mixed
{
$value = apcu_fetch($this->fullkey($key), $status);
return $status === true ? $value : $default;
}
public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool
{
return apcu_store($this->fullkey($key), $value, $this->handleTTL($ttl));
}
public function delete(string $key): bool
{
return apcu_delete($this->fullkey($key));
}
public function clear() : bool
{
return apcu_clear_cache();
}
public function getMultiple(iterable $keys, mixed $default = null): iterable
{
$nsKeys = $this->fullkey($keys);
$result = apcu_fetch($nsKeys);
return array_combine(array_map(fn($e) => substr($e, strlen($this->namespace) + strlen(static::DEFAULT_NS_SEPARATOR)), $nsKeys), $result) + array_fill_keys($keys, $default);
}
public function setMultiple(iterable $values, null|int|\DateInterval $ttl = null): bool
{
$list = array_combine(array_map( [$this, 'prependNamespace' ], array_keys($values), $values);
$result = apcu_store($list, $this->ttl($ttl));
return in_array($result, [ [], true ], true);
}
public function deleteMultiple(iterable $keys): bool
{
return apcu_delete($this->fullkey($keys)) === [];
}
public function has(string $key): bool
{
return apcu_exists($this->fullkey($key));
}
protected function handleTTL(null|int|\DateInterval $ttl) : int
{
if ($ttl instanceof \DateInterval) {
$ttl = (new \DateTime)->add($ttl)->getTimestamp() - (new \DateTime)->getTimestamp();
}
$ttl ??= $this->ttl;
return (int) $ttl;
}
protected function fullkey(string|array $key) : string|array
{
return is_array($key) ? array_map([ $this, 'prependNamespace' ], $key) : $this->prependNamespace($key);
}
protected function prependNamespace(string $key) : string
{
return $this->namespace . static::DEFAULT_NS_SEPARATOR . $key;
}
}