Hide Admin Bar stuff

admin bar

// remove help thingo

add_filter( 'contextual_help', 'wpse50723_remove_help', 999, 3 );
function wpse50723_remove_help($old_help, $screen_id, $screen){
    $screen->remove_help_tabs();
    return $old_help;
}

// remove other admin stuff

function wps_admin_bar() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('wp-logo');
    $wp_admin_bar->remove_menu('about');
    $wp_admin_bar->remove_menu('comments');         // Remove the comments link
    $wp_admin_bar->remove_menu('wporg');
    $wp_admin_bar->remove_menu('documentation');
    $wp_admin_bar->remove_menu('support-forums');
    $wp_admin_bar->remove_menu('feedback');
}
add_action( 'wp_before_admin_bar_render', 'wps_admin_bar' );

function OXP_admin_bar_edit() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('new-content'); // This removes the complete menu “Add New”. You will not require the below “remove_menu” if you using this line.
    $wp_admin_bar->remove_menu('new-post'); // This (when used individually with other “remove menu” lines removed) will hide the menu item “Post”.
    $wp_admin_bar->remove_menu('new-page'); // This (when used individually with other “remove menu” lines removed) will hide the menu item “Page”.
    $wp_admin_bar->remove_menu('new-media'); // This (when used individually with other “remove menu” lines removed) will hide the menu item “Media”.
    $wp_admin_bar->remove_menu('new-link'); // This (when used individually with other “remove menu” lines removed) will hide the menu item “Link”.
    $wp_admin_bar->remove_menu('new-user'); // This (when used individually with other “remove menu” lines removed) will hide the menu item “User”.
    $wp_admin_bar->remove_menu('new-theme'); // This (when used individually with other “remove menu” lines removed) will hide the menu item “Theme”.
    $wp_admin_bar->remove_menu('new-plugin'); // This (when used individually with other “remove menu” lines removed) will hide the menu item “Plugin”.
}
    if ( !current_user_can('edit_users') ) {add_action( 'wp_before_admin_bar_render', 'OXP_admin_bar_edit' );}