lpush #
Prepends the specified values to a list. If the key does not exist, it is created holding an empty list before performing the operation.
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 |
Options #
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.
Usage #
<?php
use \Kuzzle\Kuzzle;
$kuzzle = new Kuzzle('localhost');
try {
$count = $kuzzle->memoryStorage()->lpush('key', ['foo', 'bar', 'baz']);
}
catch (ErrorException $e) {
}
Callback response:
6
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