Adding to datetime in php

Question

If i have:

if($date>=$start_interval...){

//Some code

}

Where both $date (current date) and $start_interval are both in datetime format - like YYYY-MM-DD 00:00:00. What do i need to do to add an hour (or 60 minutes) to $start_interval?

So the if statement would be - if($date>=$start_interval (+hour)) - in other words if its more than an hour later do something. How would you do this?

Many thanks in advance

Community · Accepted Answer · 2023-11-17 20:42:18Z

1

Look into DateTime. It makes working with dates easy.

$now = new DateTime();

$start_interval = new DateTime('2012-12-14 00:00:00');
$start_interval->modify('+1 hour');

if ($now >= $start_interval)
{
     // do something
}

edited Nov 17, 2023 at 20:42

CommunityBot

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answered Dec 14, 2012 at 19:51

John Conde

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4 Comments

Roy Over a year ago

Will this work if i am retrieving $start_interval from mysql?

John Conde Over a year ago

Yes. You can pass it a value from the DB as long as it is in an acceptable format. MySQL's native datetime format is perfect to use.

Roy Over a year ago

So, in which case, am i right in thinking the second line of your suggestion is redundant? I'm pretty new to php that's all.

John Conde Over a year ago

It's just a generic example to point you in the right direction. Your implementation may be slightly different.

Community · Accepted Answer · 2023-11-17 19:39:04Z

0

<?php

if (strtotime($date) >= strtotime('+1 hour', strtotime($start_interval)) {

//Some code

}

More info: https://www.php.net/manual/en/function.strtotime.php

edited Nov 17, 2023 at 19:39

CommunityBot

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answered Dec 14, 2012 at 20:34

m4t1t0

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