<?php function search_word_from() { $referer = isset($_SERVER['HTTP_REFERER'])?$_SERVER['HTTP_REFERER']:''; if(strstr( $referer, 'baidu.com')){ //百度 preg_match( "|baidu.+wo?r?d=([^//&]*)|is", $referer, $tmp ); $keyword = urldecode( $tmp[1] ); $from = 'baidu'; (PS:T不错的PHP Q扣峮:276167802,验证:csl) }elseif(strstr( $referer, 'google.com') or strstr( $referer, 'google.cn')){ //谷歌 preg_match( "|google.+q=([^//&]*)|is", $referer, $tmp ); $keyword = urldecode( $tmp[1] ); $from = 'google'; }elseif(strstr( $referer, 'so.com')){ //360搜索 preg_match( "|so.+q=([^//&]*)|is", $referer, $tmp ); $keyword = urldecode( $tmp[1] ); $from = '360'; }elseif(strstr( $referer, 'sogou.com')){ //搜狗 preg_match( "|sogou.com.+query=([^//&]*)|is", $referer, $tmp ); $keyword = urldecode( $tmp[1] ); $from = 'sogou'; }elseif(strstr( $referer, 'soso.com')){ //搜搜 preg_match( "|soso.com.+w=([^//&]*)|is", $referer, $tmp ); $keyword = urldecode( $tmp[1] ); $from = 'soso'; }else { $keyword =''; $from = ''; } return array('keyword'=>$keyword,'from'=>$from);} //以下为测试//在搜索引擎搜索个关键词,进入网站$word = search_word_from();if(!empty($word['keyword'])){ echo '关键字:'.$word['keyword'].' 来自:'.$word['from'];}?>
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