敏感语汇过滤

trie = new TTrie;<br />
foreach(file('abc.txt') as $r) $trie->set(strtok($r, '<br><font color='#FF8000'>------解决方案--------------------</font><br>'));<br />
$s =<<< TXT<br />
输入内容坏蛋123<br />
TXT;<br />
//仅识别<br />
print_r($trie->match($s));<br />
/* 得<br />
Array<br />
(<br />
    [0] => 输入内容<br />
    [1] => 坏蛋<br />
    [2] => 123<br />
)<br />
*/<br />
<br />
//去掉字典字<br />
$trie->savematch = 0;<br />
print_r($trie->match($s));<br />
/* 得<br />
Array<br />
(<br />
    [0] => 输入内容<br />
    [1] => 123<br />
)<br />
*/<br />

class mytrie extends ttrie {<br />
  function b() {<br />
    $this->buffer[] = '<b>' . array_pop($this->buffer) . '<b/>';<br />
  }<br />
}<br />
    <br />
$trie = new mytrie;<br />
foreach(file('abc.txt') as $r) $trie->set(strtok($r, '<br><font color='#FF8000'>------解决方案--------------------</font><br>'), 'b');<br />
$s =<<< TXT<br />
输入内容坏蛋123<br />
TXT;<br />
print_r($trie->match($s));<br />
/* 得<br />
Array<br />
(<br />
    [0] => 输入内容<br />
    [1] => <b>坏蛋<b/> 《== 这个就被突出显示了<br />
    [2] => 123<br />
)<br />
*/<br />

    $this->buffer = array();<br />
    $this->input = 0;<br />
    $this->backtracking = 0;<br />