1 | <?php |
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5 | trait Keys |
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6 | { |
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7 | /** |
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8 | * Remove specified keys [Blocking]. |
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9 | * |
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10 | * @param mixed $keys |
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11 | * |
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12 | * @return int Number of keys deleted |
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13 | */ |
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14 | public function del(...$keys): int |
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18 | |||
19 | /** |
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20 | * Remove specified keys [Non Blocking]. |
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21 | * |
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22 | * @param mixed $keys |
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23 | * |
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24 | * @return int Number of keys deleted |
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25 | */ |
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26 | public function delete(...$keys): int |
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30 | |||
31 | /** |
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32 | * Remove specified keys [NonBlocking]. |
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33 | * |
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34 | * Note: If you are connecting to Redis server >= 4.0.0 you can remove a |
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35 | * key with the unlink method in the exact same way you would use del. |
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36 | * The Redis unlink command is non-blocking and will perform the actual |
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37 | * deletion asynchronously. |
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38 | * |
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39 | * @param mixed $keys |
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40 | * |
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41 | * @return int Number of keys deleted |
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42 | */ |
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43 | public function unlink(...$keys): int |
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47 | |||
48 | /** |
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49 | * Return a serialized version of the value stored at the specified key. |
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50 | * |
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51 | * @param string $key |
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52 | * |
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53 | * @return mixed|string|false The Redis encoded value of the key, |
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54 | * or FALSE if the key doesn't exist |
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55 | */ |
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56 | public function dump(string $key) |
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60 | |||
61 | /** |
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62 | * Verify if the specified key exists. |
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63 | * |
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64 | * @param mixed] $keys |
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65 | * |
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66 | * @return int |
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67 | */ |
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68 | public function exists(...$keys): int |
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72 | } |
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73 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: