- var_dump: documentation ( source)
<?php
$d1 = new mysqli_driver();
$d2 = new mysqli_driver();
echo $d1->report_mode.PHP_EOL;
echo $d2->report_mode.PHP_EOL;
$d1->report_mode = MYSQLI_REPORT_ALL;
echo $d1->report_mode.PHP_EOL;
echo $d2->report_mode.PHP_EOL;
var_dump($d1);
var_dump($d2);