1 | <?php |
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5 | trait Transactions |
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6 | { |
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7 | /** |
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8 | * Marks the start of a transaction block. Subsequent commands will be |
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9 | * queued for atomic execution using EXEC. |
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10 | * See: https://redis.io/commands/multi. |
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11 | * |
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12 | * @return transaction context |
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13 | */ |
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14 | public function multi() |
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18 | |||
19 | |||
20 | /** |
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21 | * Executes all previously queued commands in a transaction and restores |
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22 | * the connection state to normal. |
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23 | * |
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24 | * See: https://redis.io/commands/exec. |
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25 | * |
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26 | * @return array each element being the reply to each of the commands |
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27 | * in the atomic transaction. |
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28 | */ |
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29 | public function exec($multi): array |
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33 | |||
34 | |||
35 | /** |
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36 | * Flushes all previously queued commands in a transaction and restores the |
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37 | * connection state to normal. |
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38 | * |
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39 | * See: https://redis.io/commands/discard. |
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40 | * |
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41 | * @param $multi |
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42 | * |
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43 | * @return bool |
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44 | */ |
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45 | public function discard(\Redis $multi): bool |
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49 | |||
50 | |||
51 | /** |
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52 | * Marks the given keys to be watched for conditional execution of a |
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53 | * transaction. |
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54 | * |
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55 | * See: https://redis.io/commands/watch. |
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56 | * |
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57 | * @param splat $keys |
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58 | * |
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59 | * @return bool |
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60 | */ |
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61 | public function watch(...$keys): bool |
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65 | |||
66 | |||
67 | /** |
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68 | * Flushes all the previously watched keys for a transaction. |
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69 | * If you call EXEC or DISCARD, there's no need to manually call UNWATCH. |
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70 | * |
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71 | * See: https://redis.io/commands/unwatch. |
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72 | * |
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73 | * @param splat $keys |
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74 | * |
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75 | * @return bool |
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76 | */ |
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77 | public function unwatch(...$keys): bool |
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81 | } |
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82 |
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: