搜索引擎来源关键字分析程序代码,PHP代码库,德仔网

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【PHP】搜索引擎来源关键字分析程序
作者:小囧 / 发布于2012/10/22/ 670
搜索引擎来源关键字分析程序
<div><?php</div>
<div>/**</div>
<div>* 分析搜索引擎到来的关键字</div>
<div>*</div>
<div>*</div>
<div>* @author zhangjun</div>
<div>* @charset utf-8</div>
<div>*/</div>
<div>class searchTerms {</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static $banUrl = array('qq.com','localhost'); //不解析的referer 有利于加快程序处理速度</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static $parseHost = array('baidu','google','360','soso'); //能解析的referer</div>
<div></div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>/**</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span> * 主方法</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span> * @return boolean || array</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span> */</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static function keyword(){</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>if(!isset($_SERVER['HTTP_REFERER']))</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>return false;</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$referer = trim($_SERVER['HTTP_REFERER']);</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$refererArr = parse_url($referer);</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>//判断refer是否来至不需要分析的地址。</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>if(self::inBanUrl($refererArr['host']))</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>return false;</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$hasParseFun = false;</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>foreach(self::$parseHost as $host) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>if(strpos ($refererArr['host'],$host) !== false) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">				</span>$hasParseFun = true;</div>
<div><span class="Apple-tab-span" style="white-space:pre">				</span>break;</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>}<span class="Apple-tab-span" style="white-space:pre">	</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>}
<div><span class="Apple-tab-span" style="white-space:pre">		</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>if(!$hasParseFun)</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>return false;</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$queryVars = array();</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>parse_str($refererArr['query'], $queryVars);</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>//调用每个搜索引擎的单独处理方法</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$method = 'parse'.ucfirst($host);</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>return self::$method($queryVars);</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>}
<div><span class="Apple-tab-span" style="white-space:pre">	</span>/* 已取消使用正则的方式。</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static function buldPattern($rule) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$host = str_replace('.', '\.', $rule['host']);</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$patterns = array();</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>foreach ($rule['key'] as $key) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>$patterns[] = $host . '.+?'.$key.'=';</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>}
<div><span class="Apple-tab-span" style="white-space:pre">		</span>return "/(?:" . implode('|', $patterns).')([^&]*)/';</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>}*/</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static function inBanUrl($referer) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>foreach(self::$banUrl as $url) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>if(strpos($url, $referer) !== false)</div>
<div><span class="Apple-tab-span" style="white-space:pre">				</span>return true;</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>}
<div><span class="Apple-tab-span" style="white-space:pre">		</span>return false;</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>}
<div><span class="Apple-tab-span" style="white-space:pre">	</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static function parseBaidu($params)</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>{</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$searchTerms = '';</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>if(isset($params['kw'])) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>$searchTerms = $params['kw'];</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>} else if(isset ($params['wd'])) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>$searchTerms = $params['wd'];</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>} else if(isset ($params['word'])) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>$searchTerms = $params['word'];</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>}
<div></div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>return isset($params['ie']) && (strtolower($params['ie']) == 'utf-8') ? $searchTerms : iconv('gbk', 'utf-8', $searchTerms);</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>}
<div><span class="Apple-tab-span" style="white-space:pre">	</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static function parseGoogle($params)</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>{</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$searchTerms = '';</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>if(isset($params['q'])) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>$searchTerms = $params['q'];</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>}
<div><span class="Apple-tab-span" style="white-space:pre">		</span>return isset($params['ie']) && ($params['ie'] == "GB") ? iconv('gbk', 'utf-8', $searchTerms) : $params['q'];</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>}
<div><span class="Apple-tab-span" style="white-space:pre">	</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static function parse360($params)</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>{</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$searchTerms = '';</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>if(isset($params['q'])) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>$searchTerms = $params['q'];</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>}
<div><span class="Apple-tab-span" style="white-space:pre">		</span>return $searchTerms;</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>}
<div><span class="Apple-tab-span" style="white-space:pre">	</span></div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>public static function parseSoso($params)</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>{</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>$searchTerms = '';</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>if(isset($params['w'])) {</div>
<div><span class="Apple-tab-span" style="white-space:pre">			</span>$searchTerms = $params['w'];</div>
<div><span class="Apple-tab-span" style="white-space:pre">		</span>}
<div><span class="Apple-tab-span" style="white-space:pre">		</span>return iconv('gbk', 'utf-8', $searchTerms);</div>
<div><span class="Apple-tab-span" style="white-space:pre">	</span>}
<div>}
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