本文实例讲述了php获取从百度、谷歌等搜索引擎进入网站关键词的方法。分享给大家供大家参考。具体实现方法如下:
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<?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' ; } 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' ]; } ?> |
希望本文所述对大家的php程序设计有所帮助。