最简单的PHP+MYSQL搜索引擎

   
   

include('conn/conn.php');
$search=$_REQUEST['search'];
 $sql="select * from info";
    $r= mysqli_query($conn, $sql);
    while($row=mysqli_fetch_array($r,MYSQLI_ASSOC)){
          $title=$row['title'];
              $content=$row['content'];

      $d= strstr($content, $search);
    if($d){
         echo "

$title

";
          echo str_ireplace($search,"".$search."",$content);
    }

  }
  
?>