big load do error

[Dj Sagi]

i found some

PHP Code:

                $search_load = intval($vbulletin->options['RestrictSearchs_max_load']);

                if ($search_load <= 0) {

                    $search_load = 5;

                }

    
            if (( $vbulletin->userinfo['usergroupid'] <> 6  ) )

            {
  
            
                if ($load = @file_get_contents("/proc/loadavg")) 

                {

                    $loadavg = explode(' ', $load); 
 
                    
                }elseif ($load=@exec('uptime')) 

                {
                    preg_match('/averages?: ([0-9\.]+),[\s]+([0-9\.]+),[\s]+([0-9\.]+)/',$load, $loadavg);
    
        
                }
                    elseif ($load = @`sysctl vm.loadavg|cut -d" " -f3-5`) 
                
                    {

                    $loadavg = explode(' ', $load);
  
                }

            
                if (trim($loadavg[0]) > $search_load)
  
                { 
 
                    eval(standard_error( fetch_error('restrict_search')));

                } 


how i change it that when i have high load appear error in all web?
that can enter to nothing...

thx for help!