<?php require_once "connect.inc"; $tmp = NULL; $link = NULL; if (!($mysqli = new mysqli($host, $user, $passwd, $db, $port, $socket))) { printf("[001] Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n", $host, $user, $db, $port, $socket); } if (!is_bool($tmp = $mysqli->dump_debug_info())) { printf("[003] Expecting boolean/[true|false] value, got %s/%s, [%d] %s\n", gettype($tmp), $tmp, $mysqli->errno, $mysqli->error); } $mysqli->close(); if (NULL !== ($tmp = $mysqli->dump_debug_info())) { printf("[004] Expecting NULL, got %s/%s, [%d] %s\n", gettype($tmp), $tmp, $mysqli->errno, $mysqli->error); } print "done!";