代码：
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'; www.jbxue.com
}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'];
}
?>
http://www.bkjia.com/phpjc/675203.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/675203.htmltecharticle代码： function search_word_from() { $referer = isset($_server['http_referer'])?$_server['http_referer']:''; if(strstr( $referer, 'baidu.com')){ //百度 preg_match( |baidu.+wo...