In order to use Twitter OAuth you must register your application at .
Example application configuration:
php
'components' => [
'authClientCollection' => [
'class' => 'yii\authclient\Collection',
'clients' => [
'twitter' => [
'class' => 'yii\authclient\clients\Twitter',
'attributeParams' => [
'include_email' => 'true'
],
'consumerKey' => 'twitter_consumer_key',
'consumerSecret' => 'twitter_consumer_secret',
],
],
]
...
]