Remove Admin Bar in Wordpress

Sometimes, we need to remove admin bar in our wordpress website to make some extra security. To remove admin bar for non admin users, paste this code in your functions.php file located at root_directory_path/wp-content/themes/your_theme/functions.php

add_action('after_setup_theme', 'remove_admin_bar');

function remove_admin_bar() {
    if (!current_user_can('administrator') && !is_admin()) {
        show_admin_bar(false);
    }
}

And paste this code in your functions.php file located at root_directory_path/wp-content/themes/your_theme/functions.php

add_action('after_setup_theme', 'remove_admin_bar');

function remove_admin_bar() {
    show_admin_bar(false);
}

If you want to remove admin bar for shop manager in your woocommerce website. Then paste this code in your functions.php file located at root_directory_path/wp-content/themes/your_theme/functions.php

add_action('after_setup_theme', 'remove_admin_bar');

function remove_admin_bar() {
    if ( isset( $user['roles'][0] ) && $user['roles'][0] == 'shop_manager' ) {
        show_admin_bar(false);
    }
}

If you want to remove admin bar for other users roles. Then here below is trick which you can use to identify the user roles and if condition in remove_admin_bar() function. Here $user_roles is an array having all roles values of wordpress users. And in $user_roles you can find your desired roles and can apply condition to your desired roles.

$user = wp_get_current_user();
$user_roles = (array) $user->roles;
if ( in_array( 'author', $user_roles ) ) {
    //The user has the "author" role
}

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