wp wc php if not is single product page
function cm_redirect_users_by_role() {
$current_user = wp_get_current_user();
$role_name = $current_user->roles[0];
if ( is_product() ){
if ( $role_name !== 'customer' && $role_name !== 'shop_manager' && $role_name !== 'dc_vendor') {
wp_redirect( 'https://www.mysite.fr/' );
} // if
}
} // cm_redirect_users_by_role
add_action( 'wp', 'cm_redirect_users_by_role' );