<?php
$start = microtime(true);
$mysqli->query("create table test (i int)");
$mysqli->query("insert into test values(1)");
var_dump($mysqli->query("select * from test")->fetch_assoc());
$mysqli->options(MYSQLI_OPT_INT_AND_FLOAT_NATIVE, 1);
var_dump($mysqli->query("select * from test")->fetch_assoc());
echo microtime(true) - $start;