Fires immediately after a new user is registered.

Parameters

$user_idint

User ID.

$userdataarray

The raw array of data passed to wp_insert_user() .

More Arguments from wp_insert_user( … $userdata )

An array, object, or WP_User object of user data arguments.

• ID int
  User ID. If supplied, the user will be updated.
• user_pass string
  The plain-text user password for new users.
  Hashed password for existing users.
• user_login string
  The user’s login username.
• user_nicename string
  The URL-friendly user name.
• user_url string
  The user URL.
• user_email string
  The user email address.
• display_name string
  The user’s display name.
  Default is the user’s username.
• nickname string
  The user’s nickname.
  Default is the user’s username.
• first_name string
  The user’s first name. For new users, will be used to build the first part of the user’s display name if $display_name is not specified.
• last_name string
  The user’s last name. For new users, will be used to build the second part of the user’s display name if $display_name is not specified.
• description string
  The user’s biographical description.
• rich_editing string
  Whether to enable the rich-editor for the user.
  Accepts 'true' or 'false' as a string literal, not boolean. Default 'true'.
• syntax_highlighting string
  Whether to enable the rich code editor for the user.
  Accepts 'true' or 'false' as a string literal, not boolean. Default 'true'.
• comment_shortcuts string
  Whether to enable comment moderation keyboard shortcuts for the user. Accepts 'true' or 'false' as a string literal, not boolean. Default 'false'.
• admin_color string
  Admin color scheme for the user. Default 'fresh'.
• use_ssl bool
  Whether the user should always access the admin over https. Default false.
• user_registered string
  Date the user registered in UTC. Format is ‘Y-m-d H:i:s’.
• user_activation_key string
  Password reset key. Default empty.
• spam bool
  Multisite only. Whether the user is marked as spam.
  Default false.
• show_admin_bar_front string
  Whether to display the Admin Bar for the user on the site’s front end. Accepts 'true' or 'false' as a string literal, not boolean. Default 'true'.
• role string
  User’s role.
• locale string
  User’s locale. Default empty.
• meta_input array
  Array of custom user meta values keyed by meta key.
  Default empty.

More Information

This action hook allows you to access data for a new user immediately after they are added to the database. The user id is passed to hook as an argument.

Not all user meta data has been stored in the database when this action is triggered. For example, nickname is in the database but first_name and last_name are not (as of v3.9.1). The password has already been encrypted when this action is triggered.

Typically, this hook is used for saving additional user meta passed by custom registration forms.

Source

do_action( 'user_register', $user_id, $userdata );

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Changelog