Adds a value to the hash stored at key. If this value is already in the hash, FALSE is returned.

添加一個VALUE到HASH中。如果VALUE已經存在于HASH中，則返回FALSE。

Parameters

key

hashKey

value

Return value

LONG 1 if value didn't exist and was added successfully, 0 if the value was already present and was replaced, FALSE if there was an error.

Example

$redis->delete('h')

$redis->hSet('h', 'key1', 'hello'); /* 1, 'key1' => 'hello' in the hash at "h" */

$redis->hGet('h', 'key1'); /* returns "hello" */

$redis->hSet('h', 'key1', 'plop'); /* 0, value was replaced. */

$redis->hGet('h', 'key1'); /* returns "plop" */

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