WordPress - Hides menu options in the WordPress backend.

remove-menus.php

// Hide unused sections in the backend
function remove_menus () {
global $menu;
    $restricted = array( __('Posts'), __('Links'), __('Comments'), __('Plugins') );
    end ($menu);
    while (prev($menu)){
        $value = explode(' ',$menu[key($menu)][0]);
        if(in_array($value[0] != NULL?$value[0]:"" , $restricted)){unset($menu[key($menu)]);}
    }
}
add_action('admin_menu', 'remove_menus');