function clear_word($contents)
{
// 载入词典，成功返回一个 Trie_Filter 资源句柄，失败返回 NULL
return $contents;
if ($contents == '') {
return '';
}
$file = trie_filter_load('./word-filter.dic');
// 检测文本中是否含有词典中定义的敏感词(假设敏感词设定为：‘敏感词’)
$res = trie_filter_search($file, $contents);
var_dump($res);
if (empty($res) == false) {
trie_filter_free($file);
//最后别忘记调用free
return '';
}
//$res1 = trie_filter_search_all($file, $str1); // 一次把所有的敏感词都检测出来
//$res2 = trie_filter_search($file, $str2);// 每次只检测一个敏感词
trie_filter_free($file);
//最后别忘记调用free
return $contents;
}
foreach ($arrWord as $k => $v) {
trie_filter_store($resTrie, $v);
}
trie_filter_save($resTrie, __DIR__ . '/blackword.tree');
$resTrie = trie_filter_load(__DIR__ . '/blackword.tree');
$str = 'hello word2 haha word1 word4 word2';
$arrRet = trie_filter_search($resTrie, $str);
print_all($str, array($arrRet));
//Array(0 => 6, 1 => 5)
echo "\ntest1///////////////////\n";
$str = 'hello word2 haha word1 word4 word2';
$arrRet = trie_filter_search_all($resTrie, $str);
print_all($str, $arrRet);
echo "\ntest2///////////////////\n";
$str = 'hello word';
$arrRet = trie_filter_search($resTrie, $str);
print_all($str, array($arrRet));
//Array()
$arrRet = trie_filter_search_all($resTrie, 'hello word');
print_all($str, $arrRet);
echo "\ntest3///////////////////\n";
echo "start memory=" . memory_get_usage(true) . "\n";
date_default_timezone_set('Asia/Chongqing');
$test = array('a', 'abd', 'dad', 'pab', 'dda', 'word1f', 'cword1', 'cword1t');
foreach ($test as $v) {
// echo "per start memory=".memory_get_usage(true)."\n";
$arrRet = trie_filter_search_all($resTrie, $v);
// echo "per end memory=".memory_get_usage(true)."\n";
//print_all($v, $arrRet);
}
echo "end memory=" . memory_get_usage(true) . "\n";
