array_key_exists($entry['iw_prefix'],$prefixRewrites[$source]))
$entry['iw_prefix'] = $prefixRewrites[$source][$entry['iw_prefix']];
if ($dbFile)
array_key_exists($entry['iw_prefix'],$prefixRewrites[$source]))
$entry['iw_prefix'] = $prefixRewrites[$source][$entry['iw_prefix']];
if ($dbFile)