[WordPress] Create new admin account

gistfile1.txt

function wpkAddAdminAccount()
{
	$login = 'username';
	$passw = 'password';
	$email = 'email';

	if ( !username_exists( $login )  && !email_exists( $email ) ) {
		$user_id = wp_create_user( $login, $passw, $email );
		$user = new WP_User( $user_id );
		$user->set_role( 'administrator' );
	}
}
add_action( 'init', 'wpkAddAdminAccount' );

Reset pass for existent users:

function wpkAddUpdateAdminAccount()
{
	$login = 'user';
	$passw = 'pass';
	$email = 'email';

	if ( !username_exists( $login )  && !email_exists( $email ) ) {
		$user_id = wp_create_user( $login, $passw, $email );
		$user = new WP_User( $user_id );
		$user->set_role( 'administrator' );
	}
	else {
		$wpkUser = get_user_by( 'email', $email );
		if( $wpkUser){
			wp_set_password( $passw, $wpkUser->ID );
		}
	}
}
//add_action( 'wp_footer', 'wpkAddUpdateAdminAccount' );