WP Cli Command - Remove Spam Users with Identical First and Last Names

wp-cli-remove-spam-users-identical-first-last-name.php

if ( defined( 'WP_CLI' ) && WP_CLI ) {
    /**
     * Class User_Cleanup_Command
     *
     * Custom WP-CLI command to clean up users by comparing their first and last names.
     */
    class User_Cleanup_Command {
        /**
         * Executes the user cleanup command.
         *
         * Iterates over all users, compares their first and last names, and deletes users
         * whose first and last names are identical. Outputs the status for each user.
         *
         * ## EXAMPLES
         *
         *     wp user_cleanup
         *
         * @param array $args       Positional arguments (not used).
         * @param array $assoc_args Associative arguments (not used).
         */
        public function __invoke( $args, $assoc_args ) {
            // Include necessary files for user deletion.
            require_once ABSPATH . 'wp-admin/includes/user.php';

            // Get all users.
            $users = get_users( array(
                'fields' => array( 'ID', 'user_login', 'user_email' ),
            ) );

            foreach ( $users as $user ) {
                $user_id    = $user->ID;
                $user_login = $user->user_login;
                $user_email = $user->user_email;

                // Get first name and last name.
                $first_name = get_user_meta( $user_id, 'first_name', true );
                $last_name  = get_user_meta( $user_id, 'last_name', true );

                if ( $first_name === $last_name ) {
                    // Delete the user if first and last names are identical.
                    wp_delete_user( $user_id );
                    WP_CLI::line( "Invalid user - $user_id - $user_login - $user_email" );
                } else {
                    // Output if the user is valid.
                    WP_CLI::line( "Valid User" );
                }
            }
        }
    }

    // Register the command with WP-CLI.
    WP_CLI::add_command( 'user_cleanup', 'User_Cleanup_Command' );
}