How to Hide Admin Bar in WordPress?

There are many ways to hide the admin bar and many reasons you may want to hide the admin bar. You can do this by adding some code in your theme’s functions.php file.

Disable the WordPress Admin Bar for All Users

add_filter(‘show_admin_bar’, ‘__return_false’);

Disable the WordPress Admin Bar for Specific User Roles

function hide_admin_bar( $show ) {
    if ( current_user_can( 'subscriber' ) || current_user_can( 'author' ) ) :
        return false;
    endif;

    return $show;
}
add_filter( 'show_admin_bar', 'hide_admin_bar' );

Disable the WordPress Admin Bar for All Users Except Administrators

function hide_admin_bar( $show ) {

    if ( ! current_user_can( 'administrator' ) ) :
        return false;
    endif;

    return $show;

}
add_filter( 'show_admin_bar', 'hide_admin_bar' );

You can hide admin bar on any condition based. More wordpress tutorial on www.yourblogcoach.com