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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 = urldec...
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