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);
$_mysqli = new mysqli(DB_HOST,DB_USER,DB_PASS);
if (mysqli_connect_errno()) {
exit(连接数据库出错);
}
//执行sql语句
foreach ($_arr as $_value) {
$_mysqli-