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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <nick@popphp.org> |
| 8 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Cache\Adapter; |
| 16 | |
| 17 | /** |
| 18 | * Null adapter cache class |
| 19 | * |
| 20 | * @category Pop |
| 21 | * @package Pop\Cache |
| 22 | * @author Nick Sagona, III <nick@popphp.org> |
| 23 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 24 | * @license https://www.popphp.org/license New BSD License |
| 25 | * @version 5.0.0 |
| 26 | */ |
| 27 | class NullAdapter extends AbstractAdapter |
| 28 | { |
| 29 | |
| 30 | /** |
| 31 | * Get the time-to-live for an item in cache |
| 32 | * |
| 33 | * @param string $id |
| 34 | * @param int $default |
| 35 | * @return int |
| 36 | */ |
| 37 | public function getItemTtl(string $id, int $default = 0): int |
| 38 | { |
| 39 | return $default; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Save an item to cache |
| 44 | * |
| 45 | * @param string $id |
| 46 | * @param mixed $value |
| 47 | * @param ?int $ttl |
| 48 | * @return NullAdapter |
| 49 | */ |
| 50 | public function saveItem(string $id, mixed $value, ?int $ttl = null): NullAdapter |
| 51 | { |
| 52 | return $this; |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Get an item from cache |
| 57 | * |
| 58 | * @param string $id |
| 59 | * @param mixed $default |
| 60 | * @return mixed |
| 61 | */ |
| 62 | public function getItem(string $id, mixed $default = false): mixed |
| 63 | { |
| 64 | return $default; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Determine if the item exist in cache |
| 69 | * |
| 70 | * @param string $id |
| 71 | * @return bool |
| 72 | */ |
| 73 | public function hasItem(string $id): bool |
| 74 | { |
| 75 | return false; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Delete a value in cache |
| 80 | * |
| 81 | * @param string $id |
| 82 | * @return NullAdapter |
| 83 | */ |
| 84 | public function deleteItem(string $id): NullAdapter |
| 85 | { |
| 86 | return $this; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Clear all stored values from cache |
| 91 | * |
| 92 | * @return NullAdapter |
| 93 | */ |
| 94 | public function clear(): NullAdapter |
| 95 | { |
| 96 | return $this; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Destroy cache resource |
| 101 | * |
| 102 | * @return NullAdapter |
| 103 | */ |
| 104 | public function destroy(): NullAdapter |
| 105 | { |
| 106 | return $this; |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Always returns $initial + $amount — nothing is ever actually persisted, so every call behaves as if |
| 111 | * the counter had just been created and immediately incremented once; there is no "first call" state. |
| 112 | * |
| 113 | * @param string $id |
| 114 | * @param int $amount |
| 115 | * @param int $initial |
| 116 | * @param ?int $ttl |
| 117 | * @return int |
| 118 | */ |
| 119 | public function incrementItem(string $id, int $amount = 1, int $initial = 0, ?int $ttl = null): int |
| 120 | { |
| 121 | return $initial + $amount; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Always returns $initial - $amount — nothing is ever actually persisted, so every call behaves as if |
| 126 | * the counter had just been created and immediately decremented once; there is no "first call" state. |
| 127 | * |
| 128 | * @param string $id |
| 129 | * @param int $amount |
| 130 | * @param int $initial |
| 131 | * @param ?int $ttl |
| 132 | * @return int |
| 133 | */ |
| 134 | public function decrementItem(string $id, int $amount = 1, int $initial = 0, ?int $ttl = null): int |
| 135 | { |
| 136 | return $initial - $amount; |
| 137 | } |
| 138 | |
| 139 | } |