php执行sql语句打印结果

 1 　　　　　　  $dbname=DB_NAME;
 2             $host=DB_HOST;
 3             $port=DB_PORT;
 4             $user =DB_USER;
 5             $password=DB_PWD;
 6 
 7             $mysqli = new \mysqli($host, $user, $password, $dbname,$port);
 8             $mysqli->set_charset("utf8");
 9             $sql=trim($_POST["sql_content"]);
10             $result = $mysqli->query($sql);
11 
12 
13             $data=array();
14             $data["check_sql"]=$sql;
15             $data["result_str"]="";
16             $data["total_str"]="";
17 
18             if($mysqli->errno>0){
19                 $data["result_str"]="更新失败";
20                 $data["total_str"]="<div >".$mysqli->error."</div>";
21             }else{
22                 if(is_object($result)){
23                     $data["result_str"].="<table width='100%'  cellpadding='5px' cellspacing='0px' >";
24                     $show_title=true;
25                     $colums=0;
26                     while ($row = $result->fetch_array(MYSQLI_ASSOC)) {
27                         $header_str="";
28                         $content_str="";
29                         foreach($row as $key=>$value){
30                             if($show_title){
31                                 $colums++;
32                                 $header_str.="<td>$key</td>";
33                             }
34                             $content_str.="<td>$value</td>";
35                         }
36 
37                         if(!empty($header_str)){
38                             $data["result_str"].= "<tr >$header_str</tr>";
39                         }
40                         $data["result_str"].="<tr>$content_str<tr>";
41                         $show_title=false;
42                     }
43                     $data["result_str"].="</table>";
44                     $data["result_str"].="</div>";
45                     $data["total_str"]="<div >共计&nbsp;&nbsp;".$mysqli->affected_rows."行&nbsp;&nbsp;".$colums."列</div>";
46                     $result->close();
47                 }else{
48                     $data["result_str"]="更新成功";
49                     $data["total_str"]="<div >共计&nbsp;&nbsp;".$mysqli->affected_rows."行</div>";
50                 }
51             }
52             $mysqli->close();