==========拼接SQL 模糊查询

foreach ($getPar as $key => $val){

  $searchVal.= "content LIKE '%{$val}%'";

  if($_count-1 >$key){

    $searchVal.="or ";

  }

  } 

--------------

//替换高亮      这里采用两个循环 ，请问下 用一个循环怎么实现

 while ($row = mysql_fetch_assoc($rs)){

if($row['content']){ 

foreach ($getPar as $key => $val){

$row['content']= str_replace($val, '<font color="red"><b>'.$val.'</b></font>',$row['content']);

} 

}

$user[] = $row;

}