Clear Autoptimize & W3 Total Cache when 64 MB limit is hit

clear-cache.php

// Clear Cache (64 MB Limit)
if ( class_exists('autoptimizeCache') ) {
    $myMaxSize = 48000; 
    $statArr = autoptimizeCache::stats(); 
    $cacheSize = round( $statArr[1] / 1024 );
    
    if ($cacheSize > $myMaxSize ) {
       autoptimizeCache::clearall();
    if ( class_exists('W3_Plugin_TotalCacheAdmin') )
      {
        $plugin_totalcacheadmin = & w3_instance('W3_Plugin_TotalCacheAdmin');
        $plugin_totalcacheadmin->flush_all();
      }
      header("Refresh:0"); 
    }
}