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Prepends the specified values to a list. If the key does not exist, it is created holding an empty list before performing the operation.

[Redis documentation]

lpush(key, values, [options], [callback])

Arguments Type Description
key string Key identifier
values array Values to add at the beginning of the list
options JSON Object Optional parameters
callback function Callback


Option Type Description Default
queuable boolean Make this request queuable or not true

Return Value

Returns the MemoryStorage object to allow chaining.

Callback Response

Returns an integer containing the updated number of items in the list.


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use \Kuzzle\Kuzzle;
$kuzzle = new Kuzzle('localhost');
try {
  $count = $kuzzle->memoryStorage()->lpush('key', ['foo', 'bar', 'baz']);
catch (ErrorException $e) {

Callback response:

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