/**
     * 自动获取关键词(调用第三方插件)
     * @return [type] [description]
     * www.shouce.ren
     */
    public function keyword()
    {
        Vendor(‘autokeyword.AutoKeyword‘);
        $keyword = new \AutoKeyword();
        $str=‘自动获取关键词并发大数据我们大家好吃饭啦调用第三方插件‘;
        $title = trim($str);
        $keys=$keyword::discuz($title);
        var_dump($keys);
    }

<?php
 
/**
 * 分词
 * @author zhao jinhan <326196998@qq.com>
 * 
 */
class AutoKeyword
{
 
    /**
     * 使用discuz词库
     * @param unknown_type $title
     * @param unknown_type $content
     */
    public static function discuz ($title = ‘‘, $content = ‘‘)
    {
        $subjectenc = rawurlencode(strip_tags($title));
        $messageenc = rawurlencode(strip_tags(preg_replace("/\[.+?\]/U", ‘‘, $content)));
        $data = @implode(‘‘, file("http://keyword.discuz.com/related_kw.html?title=$subjectenc&content=$messageenc&ics=utf-8&ocs=utf-8"));
 
        if ($data) {
            $parser = xml_parser_create();
            xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
            xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
            xml_parse_into_struct($parser, $data, $values, $index);
            xml_parser_free($parser);
            $kws = array ();
            foreach ($values as $valuearray) {
                if ($valuearray[‘tag‘] == ‘kw‘ || $valuearray[‘tag‘] == ‘ekw‘)
                    $kws[] = trim($valuearray[‘value‘]);
            }
//             $return = ‘‘;
//             $dot=‘‘;
//             if ($kws) {
//                 foreach ($kws as $kw) {
//                     $kw = CHtml::encode(strip_tags($kw));
//                     $return .= $dot.$kw ;
//                     $dot = ‘,‘;
//                 }
//                 $return = trim($return);
//             }
 
            return $kws;
        }
 
    }

/**
     * 简易自定义获取关键词
     * @param string $title
     * @param string $content
     * @return JSON
     */
    public static function simple($title = ‘‘, $content=‘‘){
        $words = include_once dirname(__FILE__).DIRECTORY_SEPARATOR.‘words.php‘;
        $data = array();
        $max = 10; //最多匹配10个
        if($words){
            foreach((array)$words as $word){
                if(count($data) > $max){
                    break;
                }else{
                    if($title && preg_match(‘/‘.$word.‘/is‘, $title)){
                        array_push($data, $word);
                    }
                    if($content && preg_match(‘/‘.$word.‘/is‘, $content)){
                        if(!in_array($word, $data)){
                            array_push($data, $word);
                        }
                    }
                }
            }
        }
        return array_unique($data);
    }
 
 
}

<?php
/**
 * 词库(权重越高越靠前)
 */
return array(
    ‘php‘,
    ‘mysql‘,
    ‘web‘,
    ‘html‘,
    ‘js‘,
    ‘jquery‘,
    ‘sql‘,
    ‘myisam‘,
    ‘innodb‘,
    ‘apache‘,
    ‘nginx‘,
    ‘yii‘,
    ‘linux‘,
    ‘cms‘,
    ‘yiifcms‘,
    ‘redis‘,
    ‘memcache‘,
    ‘explain‘,
    ‘ueditor‘,
    ‘kindeditor‘,
    ‘api‘,
    ‘w3c‘,
    ‘高性能‘,
    ‘大数据‘,
    ‘存储过程‘,
    ‘事物‘,
    ‘触发器‘,
    ‘索引‘,
    ‘并发‘,
    ‘编程‘,
    ‘算法‘,
    ‘排序‘,
    ‘安装包‘,
    ‘下载‘,
    ‘服务器‘,
    ‘手册‘,
    ‘指南‘,
    ‘文章‘,
    ‘图集‘,
);