Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
||
| 9 | class ApcuAdapter extends AbstractAdapter implements AdapterInterface |
||
| 10 | { |
||
| 11 | protected int $ttl = 0; |
||
|
|
|||
| 12 | |||
| 13 | public function __construct(array $config = []) |
||
| 14 | { |
||
| 15 | // config |
||
| 16 | if (isset($config['ttl'])) { |
||
| 17 | $this->ttl = (int) $config['ttl']; |
||
| 18 | } |
||
| 19 | |||
| 20 | if (isset($config['cache_not_found_keys'])) { |
||
| 21 | $this->cacheNotFoundKeys = (bool) $config['cache_not_found_keys']; |
||
| 22 | } |
||
| 23 | } |
||
| 24 | |||
| 25 | /** |
||
| 26 | * @return mixed |
||
| 27 | */ |
||
| 28 | public function get(string $key) |
||
| 29 | { |
||
| 30 | $value = apcu_fetch($this->addNamespaceToKey($key), $success); |
||
| 31 | |||
| 32 | if (!$success) { |
||
| 33 | throw new KeyNotFoundException(); |
||
| 34 | } |
||
| 35 | |||
| 36 | return $value; |
||
| 37 | } |
||
| 38 | |||
| 39 | public function getMulti(array $keys): array |
||
| 40 | { |
||
| 41 | $namespacedKeys = apcu_fetch($this->addNamespaceToKeys($keys)); |
||
| 42 | |||
| 43 | return $this->removeNamespaceFromKeys($namespacedKeys); |
||
| 44 | } |
||
| 45 | |||
| 46 | /** |
||
| 47 | * @param mixed $value |
||
| 48 | */ |
||
| 49 | public function set(string $key, $value): bool |
||
| 50 | { |
||
| 51 | return apcu_store($this->addNamespaceToKey($key), $value, $this->ttl); |
||
| 52 | } |
||
| 53 | |||
| 54 | public function setMulti(array $data): bool |
||
| 55 | { |
||
| 56 | $namespacedData = $this->addNamespaceToKeys($data, true); |
||
| 57 | $errors = apcu_store($namespacedData, $this->ttl); |
||
| 58 | |||
| 59 | return empty($errors); |
||
| 60 | } |
||
| 61 | |||
| 62 | public function contains(string $key): bool |
||
| 63 | { |
||
| 64 | return apcu_exists($this->addNamespaceToKey($key)); |
||
| 65 | } |
||
| 66 | |||
| 67 | public function delete(string $key): bool |
||
| 68 | { |
||
| 69 | apcu_delete($this->addNamespaceToKey($key)); |
||
| 70 | |||
| 71 | return true; |
||
| 72 | } |
||
| 73 | |||
| 74 | public function deleteMulti(array $keys): bool |
||
| 75 | { |
||
| 76 | foreach ($keys as $key) { |
||
| 77 | apcu_delete($this->addNamespaceToKey($key)); |
||
| 78 | } |
||
| 79 | |||
| 80 | return true; |
||
| 81 | } |
||
| 82 | |||
| 83 | public function flush(): bool |
||
| 84 | { |
||
| 85 | return apcu_clear_cache(); |
||
| 86 | } |
||
| 87 | } |
||
| 88 |