February 12, 2011 
Definition:
function wpmu_create_user( $user_name, $password, $email) {}
Create a user.
This function runs when a user self-registers as well as when a Super Admin creates a new user. Hook to ‘wpmu_new_user’ for events that should affect all new users, but only on Multisite (otherwise use ‘user_register’).
Parameters
- string $user_name: The new user’s login name.
- string $password: The new user’s password.
- string $email: The new user’s email address.
Return values
returns:Returns false on failure, or int $user_id on success
Defined actions
- wpmu_new_user
do_action( 'wpmu_new_user', $user_id );
Source code
function wpmu_create_user( $user_name, $password, $email) {
$user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
$user_id = wp_create_user( $user_name, $password, $email );
if ( is_wp_error($user_id) )
return false;
// Newly created users have no roles or caps until they are added to a blog.
delete_user_option( $user_id, 'capabilities' );
delete_user_option( $user_id, 'user_level' );
do_action( 'wpmu_new_user', $user_id );
return $user_id;
}
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