php插入多条记录

<?php
  $servername="localhost";
  $usename="root";
  $password="";
  $my_DB="demo";
  
  //创建连接
  $mysqli=new mysqli($servername,$usename,$password,$my_DB);

  

//验证是否连接

  if($mysqli->connect_error){

  die("连接数据库失败。。").$mysqli->connect_error();
  }else{
  echo "连接成功！.<br/>";
  }

  //sql语句

  $sql="inser into student(id,stuname,stuAge,tel)value(1003,'xiaoming',20,'13xxxxxxxxx');";

  $sql.="inser into student(id,stuname,stuAge,tel)value(1004,'xiaohong',18,'13xxxxxxxxx');";

  

 if($mysqli->multi_query($sql)===TRUE){

   
    echo "插入数据成功！.<br/>";

    }else{
echo "插入失败！".$sql."<br/>".$mysqli->error;

}

?>