PHP执行SQL文件并将SQL文件导入到数据库

//读取文件内容
$_sql = file_get_contents("test.sql");
$_arr = explode(";", $_sql);
$_mysqli = new mysqli(DB_HOST,DB_USER,DB_PASS);
if (mysqli_connect_errno()) {
  exit("衔接数据库出错");
}
//履行sql语句
foreach ($_arr as $_value) {
  $_mysqli->query($_value.";");
}
$_mysqli->close();
$_mysqli = null;

//读取文件内容
$_sql = file_get