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[discrete]
[[config-hash]]
=== Building the client from a configuration hash
To help ease automated building of the client, all configurations can be
provided in a setting hash instead of calling the individual methods directly.
This functionality is exposed through the `ClientBuilder::FromConfig()` static
method, which accepts an array of configurations and returns a fully built
client.
Array keys correspond to the method name, for example `retries` key corresponds
to `setRetries()` method.
[source,php]
----
$params = [
'hosts' => [
'localhost:9200'
],
'retries' => 2,
'handler' => ClientBuilder::singleHandler()
];
$client = ClientBuilder::fromConfig($params);
----
Unknown parameters throw an exception, to help the user find potential problems.
If this behavior is not desired (for example, you are using the hash for other
purposes, and may have keys unrelated to the {es} client), you can set
$quiet = true in fromConfig() to silence the exceptions.
[source,php]
----
$params = [
'hosts' => [
'localhost:9200'
],
'retries' => 2,
'imNotReal' => 5
];
// Set $quiet to true to ignore the unknown `imNotReal` key
$client = ClientBuilder::fromConfig($params, true);
----
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