/**
* -- Add function info here --
*/
function getFarthestToken($blogId, $tokens)
{
$bayesianTokens = new BayesianTokens();
$tokens = $bayesianTokens->getBayesianTokensFromArray($blogId, $tokens, false);
$tempArray = array();
foreach ($tokens as $token) {
array_push($tempArray, abs($token->getProb() - 0.5));
}
arsort($tempArray);
$keys = array_keys($tempArray);
$key = $keys[0];
return $tokens[$key];
}
/**
* @private
*/
function _getMostSignificantTokens($blogId, $tokens)
{
$config =& Config::getConfig();
$bayesianFilterInfos = new BayesianFilterInfos();
$bayesianFilterInfo = $bayesianFilterInfos->getBlogBayesianFilterInfo($blogId);
$totalSpam = $bayesianFilterInfo->getTotalSpam();
$totalNonSpam = $bayesianFilterInfo->getTotalNonSpam();
$bayesianTokens = new BayesianTokens();
foreach ($tokens as $token) {
$bayesianTokens->updateOccurrences($blogId, $token, 0, 0, $totalSpam, $totalNonSpam, false);
}
$tokens = $bayesianTokens->getBayesianTokensFromArray($blogId, $tokens);
$tempArray = array();
foreach ($tokens as $token) {
if ($token->isSignificant() && $token->isValid()) {
array_push($tempArray, abs($token->getProb() - 0.5));
}
}
arsort($tempArray);
$significantTokens = array();
$count = 0;
foreach ($tempArray as $key => $value) {
array_push($significantTokens, $tokens[$key]);
$count++;
if ($count == $config->getValue("bayesian_filter_number_significant_tokens")) {
break;
}
}
return $significantTokens;
}