1. Install libiconv, which is a dependency of libdatrie
wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz tar zxvf libiconv-1.14.tar.gz cd libiconv-1.14 ./configure make make install
2. Install: libdatrie (http://linux.thai.net/~thep/datrie/datrie.html#Download)
tar zxf libdatrie-0.2.4.tar.gz cd libdatrie-0.2.4 ./configure --prefix=/usr/local make make install
Compilation error trietool.c:125: undefined reference to `libiconv'
The solution is: ./configure LDFLAGS=-L/usr/local/lib LIBS=-liconv
3. Install the trie_filter extension
Since the official trie_filter extension does not support Chinese very well, I found an extension on git that was rewritten on the official extension and has been tested without any problems
The installation method is as follows:
https://github.com/wulijun/php-ext-trie-filter Download the source code package here
phpize ./configure --with-php-config=/usr/local/bin/php-config make make install
4. Modify the php.ini file and add the trie_filter extension :extension=trie_filter.so, restart PHP.
Check phpinfo and find that the trie_filter extension is available, as shown in the following figure:
5. Generate a dictionary for word detection, because it is not included in the source code package downloaded above. It has a command to generate a dictionary, so you also need to download the official source code package
(https://code.google.com/p/as3chat/downloads/detail?name=trie_filter-2011-03-21.tar. gz)
tar zxf trie_filter-2011.03.21.tar.gz cd trie_filter-2011.03.21 gcc -o dpp dpp.c -ldatrie // 生成dpp命令用語編譯詞典 ./dpp words.txt words.dic //將words.txt 編譯成trie_filter使用的詞典 words.txt中每個(gè)詞占一行
Error when generating dictionary: ./dpp: error while loading shared libraries: libdatrie.so.1: cannot open shared object file: No such file or directory
Solution : Execute
ldconfig
and then execute
./dpp words.txt words.dic
6. Test:
<!--?php /** * trie_filter 敏感詞過濾示例 * **/ // 載入詞典，成功返回一個(gè) Trie_Filter 資源句柄，失敗返回 NULL $file = trie_filter_load('./words.dic'); var_dump($file); $str1 = '今天利用trie_filter做敏感詞過濾示例'; $str2 = '今天利用trie_filter做過濾示例'; // 檢測(cè)文本中是否含有詞典中定義的敏感詞(假設(shè)敏感詞設(shè)定為：‘敏感詞’) $res1 = trie_filter_search_all($file, $str1); // 一次把所有的敏感詞都檢測(cè)出來 $res2 = trie_filter_search($file, $str2);// 每次只檢測(cè)一個(gè)敏感詞 var_dump($res1); echo "<br/-->"; var_dump($res2); trie_filter_free($file); //最后別忘記調(diào)用free
It is recommended to use php 5.3.3 or above version, I Using 5.3.3
The above is the content of using PHP extension trie_filter to filter Chinese sensitive words. For more related content, please pay attention to the PHP Chinese website (miracleart.cn)!
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An efficient sensitive word filtering method (PHP)
php sensitive word filtering uses a third-party extension trie_filter
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