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can you please help me?
i need to change
2017-12-31 11:45:00
to
2017-12-31T11:45
using php function.
I need this datetime-local format for putting in a input value.
This might do it for you:
<?php
$date = '2017-12-31 11:45:00';
$newdate = date('Y-m-d\TH:i', strtotime($date));
echo $newdate; // 2017-12-31T11:45
;?>
Documentation about strtotime: http://php.net/manual/en/function.strtotime.php
NOTE:
strtotime max date is '19 Jan 2038 03:14:07 UTC'.
New solution: PHP 5 >= 5.2.0, PHP 7
Please consider to use the new DateTime function: http://php.net/manual/en/datetime.construct.php
Example new DateTime:
<?php
$d = new DateTime("9999-12-31");
$d->format("Y-m-d"); // "9999-12-31"
$d = new DateTime("0000-12-31");
$d->format("Y-m-d"); // "0000-12-31"
$d = new DateTime("-9999-12-31");
$d->format("Y-m-d"); // "-9999-12-31"
?>
This can be done quite simply using the DateTime object provided with PHP
<?php
$dt = DateTime::createFromFormat('Y-m-d H:i:s', '2017-12-31 11:45:00');
$newFormat = $dt->format('Y-m-d\TH:i');
echo $newFormat;
Result:
2017-12-19T11:45
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I'm trying to convert string date time to datetime format. bellow is my code
date_default_timezone_set("Asia/Singapore");
$EventDate = '2018-09-14 16:30:00.000';
$createDate = new DateTime($EventDate);
$NewEventDate = $createDate->format('Y-m-d h:m:s');
but when i convert string date to datetime, i get time wrong bellow is the output
STRING EVENT DATE : 2018-09-14 16:30:00.000
CONVERTED EVENT DATE : 2018-09-14 04:09:00
the time 16:30:00 shows 04:09:00 which is wrong
try this
$NewEventDate = $createDate->format('Y-m-d H:i:s');
Use i instead of m for minute
date_default_timezone_set("Asia/Singapore");
$EventDate = '2018-09-14 16:30:00.000';
$createDate = new DateTime($EventDate);
$NewEventDate = $createDate->format('Y-m-d H:i:s');
date_default_timezone_set("Asia/Singapore");
$EventDate = '2018-09-14 16:30:00.000';
$createDate = new DateTime($EventDate);
echo $NewEventDate = $createDate->format('Y-m-d H:i:s');
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I need to create DateTime interval to compare it with date difference. Is something like this possible?
$week = new \DateTime("1 week");
Well, you can use DateInterval class instead. While you cannot pass the relative timeformats such as '1 week' into its constructor directly, there's a useful static method createFromDateString() that supports such syntax:
$weekInterval = \DateInterval::createFromDateString('1 week');
The problem is that DateInterval instances are not comparable in PHP (check this feature request for details):
$someInterval = (new \DateTime('2015-09-14'))->diff(new \DateTime('2015-09-13'));
var_dump($weekInterval > $someInterval); // false somehow
DateTime instances are comparable, however. So one possible workaround is making a comparison between the results of adding two DateInterval to the same fixed date. For example:
$now = new \DateTimeImmutable();
var_dump($now->add($weekInterval) > $now->add($someInterval)); // true
Eval.in demo.
I think what you are looking for is the diff(); function in the DateTime class.
$dateOne = new DateTime('2015-10-11');
$dateTwo = new DateTime('2014-10-13');
$interval = $dateOne->diff($dateTwo);
echo $interval->format('%R%a days');
Comparing UNIX TimeStamp
$dateTime = new DateTime("#" . $someOtherTimeStamp);
$endTime = new DateTime("#" . time());
$interval = $dateTime->diff($endTime);
Reading Material
diff();
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I have two dates given, aug 27 2015 -> sep 9 2015.
I'd like to know how much days have passed while using the UTC - 8 timezone.
Can anyone share a small tutorial/code to help my case?
Thank you so much.
You can use DateTime class also. And the DateTime.diff function.
<?php
$d1 = new DateTime();
$d1->setTimezone(new DateTimeZone('America/Los_Angeles')); //Do this for all 3 objects
$d2 = new DateTime();
$d3 = new DateTime();
$d1->setDate(2015, 8, 27);
$d2->setDate(2015, 9, 9);
$gone = $d1->diff($d3);
$left = $d2->diff($d3);
echo "<br>";
echo ($gone->format('%R%a days'))." gone. <br>";
echo ($left->format('%R%a days'))." left. <br>";
?>
After some research and reading some php documentation comments, this code worked for me:
<?php
date_default_timezone_set("America/Los_Angeles");
$date1 = strtotime("27 August 2015");
$days = floor((time() - $date1)/86400);
print("$days days have passed.\n");
?>
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I have a variable $dob which returns a date, in the following format: 1970-02-01 00:00:00
How can I use php to calculate the age of the person?
Your question is explained in detail in the PHP documentation, it bascially goes like this:
// create a datetime object for a given birthday
$birthday = new DateTime("2012-12-12");
// substract your timestamp from it
$diff = $birthday->diff($dob);
// output the difference in years
echo $diff->format('%Y');
Try this:
<?php
$age = '1970-02-01 00:00:00';
echo (int)((time()-strtotime($age))/31536000);
Output: 43, in years.
$dob = '1970-02-01 00:00:00';
$date = new DateTime($dob);
$diff = $date->diff(new DateTime);
echo $diff->format('%R%a days');
Basically stolen from here: http://uk1.php.net/manual/en/datetime.diff.php
Formatting options: http://uk1.php.net/manual/en/dateinterval.format.php
One-liner:
echo date_create('1970-02-01')->diff(date_create('today'))->y;
Demo.
i would try this
$user_dob = explode('-',$dob);
$current_year= date('Y');
$presons_age = $current_year - $user_dob[0];
This is an untested code but i feel u should get the logic.
strtotime() will convert your date into a timestamp, then subject that from time() and the result is the age in seconds.
$age_in_seconds = time() - strtotime('1970-02-01');
To display the age in years (+- 1 day), then divide by the number of seconds in a year:
echo "Age in whole years is " . floor($age_in_seconds / 60 / 60 / 24 / 365.25);
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I want to convert the date like this
$original_date = date("M/d/Y"); // the output of that is Aug/27/2013
to "08/27/2013"
Like this:
date('m/d/Y', strtotime($original_date));
strtotime can convert pretty much anything reasonable you give it into a Unix timestamp, even stuff like "Next Friday".
EDIT
Funny, but seems that strtime doesn't work with a date formatted like that... The first thing that came to my mind was to replace those slashes with spaces, using str_replace or implode/explode or whatever works for you...
$newDate = date('m/d/Y', strtotime(str_replace('/', ' ', $origDate)));
$newDate = date('m/d/Y', strtotime(implode(' ', explode('/', $origDate))));
Simply by passing it back to the date function
$original_date = date("M/d/Y");
$new_date = date('m/d/Y', strtotime($original_date));
Simply change the format string:
$originalDate = date("m/d/Y"); // = 08/27/2013
Or use DateTime and specify the input format to avoid ambiguity:-
$dateString = \DateTime::createFromFormat('M/d/Y', $origanalDate)->format('m/d/Y');