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<?php
declare(strict_types=1);
namespace RemotelyLiving\PHPCacheAdapter\CacheItemPool;
use RemotelyLiving\PHPCacheAdapter\Assertions;
final class CacheKeyBuilder
{
private string $namespace = '';
private int $namespaceLength;
private function __construct(?string $namespace = null)
if ($namespace) {
$this->namespace = $namespace . ':';
}
$this->namespaceLength = \mb_strlen($this->namespace);
public static function create(?string $namespace = null): self
return new self($namespace);
/**
* @param mixed $key
*
* @return string
*/
public function buildKey($key): string
Assertions::assertValidKey($key);
return "{$this->namespace}{$key}";
public function removeNamespace(string $key): string
return \mb_substr($key, $this->namespaceLength);
public function buildKeys(array $keys): array
$prefixed = [];
foreach ($keys as $key) {
$prefixed[] = $this->buildKey($key);
return $prefixed;
remotelyliving /
php-cache-adapter
