PHP中文分詞，自動獲取關鍵詞

<?php
header("Content-Type:text/html; charset=utf-8");
define('APP_ROOT', str_replace('\\', '/', dirname(__FILE__)));

$test = '真怕有一天我們再次成為交叉線，我想那時就再也不可能回歸了，快樂永遠是拿痛苦做代價，你現在多幸福，多快樂，你以后就會越傷心越難過，不想發生!';

function get_tags_arr($title)
    {
        require(APP_ROOT.'/pscws4.class.php');
        $pscws = new PSCWS4();
        $pscws->set_dict(APP_ROOT.'/scws/dict.utf8.xdb');
        $pscws->set_rule(APP_ROOT.'/scws/rules.utf8.ini');
        $pscws->set_ignore(true);
        $pscws->send_text($title);
        $words = $pscws->get_tops(5);
        $tags = array();
        foreach ($words as $val) {
            $tags[] = $val['word'];
        }
        $pscws->close();
        return $tags;
}

print_r(get_tags_arr($test));

function get_keywords_str($content){
    require(APP_ROOT.'/phpanalysis.class.php');
    PhpAnalysis::$loadInit = false;
    $pa = new PhpAnalysis('utf-8', 'utf-8', false);
    $pa->LoadDict();
    $pa->SetSource($content);
    $pa->StartAnalysis( false );
    $tags = $pa->GetFinallyResult();
    return $tags;
}

print(get_keywords_str($test));

轉：http://www.thinkphp.cn/code/42.html

相關：

http://www.penglig.com/post-147.html
http://blog.csdn.net/pzp_118/article/details/8949192