Get DATETIME in php and post it to MySQL for transaction consistency

Question

Here is a link to the reason behind this question: NOW() for DATETIME InnoDB Transaction guaranteed?

So to ensure a single transaction with any number of queries (

Answer 1

You can do:

<?
$now = time();
$sql = "INSERT INTO table SET field=FROM_UNIXTIME($now)";
$sql2 = "INSERT INTO table SET field=FROM_UNIXTIME($now)";
...

This avoids any possible issues of timezones, or local date formats.

Answer 2

Do it in MySQL, so you don't involve PHP at all:

select @now := now();

insert into .... values (@now)
select from ... where x=@now
etc....

Answer 3

One way could be:

<?php
$nowFormat = date('Y-m-d H:i:s');
$sql = "INSERT INTO table SET field='$nowFormat'";
$sql2 = "INSERT INTO table SET field='$nowFormat'";
...