- $password = wp_generate_password( 12, false);
- $user_id = wpmu_create_user( esc_html( strtolower( $user['username'] ) ), $password, esc_html( $user['email'] ) );
+ $user_details = wpmu_validate_user_signup( $user['username'], $user['email'] );
+ if ( is_wp_error( $user_details[ 'errors' ] ) && ! empty( $user_details[ 'errors' ]->errors ) ) {
+ $add_user_errors = $user_details[ 'errors' ];
+ } else {
+ $password = wp_generate_password( 12, false);
+ $user_id = wpmu_create_user( esc_html( strtolower( $user['username'] ) ), $password, esc_html( $user['email'] ) );