https://github.com/wulijun/php-ext-trie-filter

php extension for spam word filter based on Double-Array Trie tree, it can detect if a spam word exists in a text message. 关键词过滤扩展，用于检查一段文本中是否出现敏感词，基于Double-Array Trie 树实现。
https://github.com/wulijun/php-ext-trie-filter

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php extension for spam word filter based on Double-Array Trie tree, it can detect if a spam word exists in a text message. 关键词过滤扩展，用于检查一段文本中是否出现敏感词，基于Double-Array Trie 树实现。

• Host: GitHub
• URL: https://github.com/wulijun/php-ext-trie-filter
• Owner: wulijun
• Created: 2012-07-30T10:33:06.000Z (about 12 years ago)
• Default Branch: master
• Last Pushed: 2019-02-13T12:55:42.000Z (over 5 years ago)
• Last Synced: 2024-05-29T02:35:25.322Z (4 months ago)
• Language: C
• Homepage:
• Size: 23.4 KB
• Stars: 514
• Watchers: 38
• Forks: 165
• Open Issues: 12
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-php-extensions - php-ext-trie-filter - trie 查找树，用于文本匹配 (数据转换)

README

        
php-ext-trie-filter

===================

php extension for spam word filter based on Double-Array Trie tree, it can detect if a spam word exists in a text message.

关键词过滤扩展，用于检查一段文本中是否出现敏感词，基于Double-Array Trie 树实现。

## 升级历史

### 2017-08-08

1. 同时支持php5&php7

1. 新增方法:

  1. trie_filter_read，从string中读取二进制字典数据

  1. trie_filter_write，将当前对象导出成二进制string

  1. trie_filter_delete，从当前对象中删除一个word

### 2013-06-23

1. trie_filter_search_all，一次返回所有的命中词

1. 修复内存泄露

## 依赖库

[libdatrie-0.2.4 or later](http://linux.thai.net/~thep/datrie/datrie.html)

## 安装步骤

下面的$LIB_PATH为依赖库安装目录，$INSTALL_PHP_PATH为PHP安装目录。

### 安装libdatrie

```

$ tar zxvf libdatrie-0.2.4.tar.gz

$ cd libdatrie-0.2.4

$ make clean

$ ./configure --prefix=$LIB_PATH

$ make

$ make install

```

### 安装扩展

```

$ $INSTALL_PHP_PATH/bin/phpize

$ ./configure --with-php-config=$INSTALL_PHP_PATH/bin/php-config --with-trie_filter=$LIB_PATH

$ make

$ make install

```

然后修改php.ini，增加一行：extension=trie_filter.so，然后重启PHP。

## 使用示例

```

 $v) {

    trie_filter_store($resTrie, $v);

}

trie_filter_save($resTrie, __DIR__ . '/blackword.tree');

$resTrie = trie_filter_load(__DIR__ . '/blackword.tree');

$strContent = 'hello word2 word1';

$arrRet = trie_filter_search($resTrie, $strContent);

print_r($arrRet); //Array(0 => 6, 1 => 5)

echo substr($strContent, $arrRet[0], $arrRet[1]); //word2

$arrRet = trie_filter_search_all($resTrie, $strContent);

print_r($arrRet); //Array(0 => Array(0 => 6, 1 => 5), 1 => Array(0 => 12, 1 => 5))

$arrRet = trie_filter_search($resTrie, 'hello word');

print_r($arrRet); //Array()

trie_filter_free($resTrie);

```

# PHP版本

PHP 5.2 ~ 7.1.

Windows is not support until now.

## License

Apache License 2.0

## 致谢

本项目是在[用于检测敏感词的 PHP 扩展](http://blog.anbutu.com/php/php-ext-trie-filter)的基础上改写的。