A se vedea și. これは、日付間隔を表す PHP のクラスです。また、入力文字列を受け入れ、入力文字列から DateInterval を設定する静的メソッドも提供します。 DateInterval() の構文 The DateInterval class ¶ (PHP 5 >= 5. Daylight Savings Time Bug (PHP < 8. In order to compare those two dates we use the method diff() of the first DateTime object with the second DateTime object as argument. NET data type is System. DateTime::setTimezone — Legt die Zeitzone für ein DateTime-Objekt fest. 3. (PHP 5 >= 5. 41. The DateInterval class can be used to store a certain amount of time, such as years, months, hours, etc. DatePeriod::getEndDate — Gets the end date. Net also provides powerful tools for date arithmetic that makes manipulating dates easy. What is my character's speed in miles per hour? Is the sum of the reciprocals of the products of pairs of coprime positive integers and their sums equal to 2? Rendering of arrowheads in 3DIntroduction. If you are stuck in a position where all you have is the DateInterval, and you (like me) discover that there seems to be no way to get the total minutes, seconds or. Like petros at rufunka dot com said, there is a difference of 1 hour between Europe/Berlin and UTC. I'd like to be able to take difference between two dates and determine the time in decimal format to be able to calculate hourly rate. 1. We also provide diffAsCarbonInterval() act like diff() but returns a CarbonInterval instance. Jun 9, 2017 at 20:24. DateInterval::format () - Formats the interval. That's what you said you wanted. PHP - Get a time interval of an interval. If you want to calculate with absolute time,. Is there a way of doing this without recursion, perhaps using DateInterval? N. They will receive two different dates in their constructors. 5. If the DateInterval object was created by DateTimeImmutable::diff () or DateTime::diff (), then this is the total number of full days between the start and end dates. The date time format I have is: 2011-11-17 05:05: year-month-day hour:minute. It is a Class of PHP that represents a date interval. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companyPHP Collective Join the discussion This question is in a collective: a subcommunity defined by tags with relevant content and experts. -169 would show 11pm, and the date would be one day prior, so 8 days before. With PHP, I want to increment the date by one month, and I want the year to be automatically incremented, if necessary (i. I've tried strtodate, the date function, but nothing seems to be working. You can rate examples to help us improve the quality of examples. A PHP dateinterval represents a date interval as a storage structure for time which is accompanied by various components like objects and functions for implementation. If the DateInterval object was created by DateTimeImmutable::diff () or DateTime::diff (), then this is the total number of full days between the start and end dates. Return time difference as integer. xxxxxxxxxx. 3. PHP Manual - DatePeriod. So returning UTC is required. A date with relative parts. I've read the documentation and don't quite understand how it works. 2. While, on the surface, echoing a date in the future brings a small bit of accomplishment, it can be quickly eradicated when one is tasked with. 0. a stopwatch) and wanted hours:minutes this would loop round as it will never read more than 24. 2. A common way to create a DateInterval object is by calculating the difference between two date/time objects through DateTimeInterface::diff(). For instance: Time In: 11:35:20 (hh:mm:ss), now say the current time is: 12:00:45 (hh:mm:ss) then the time difference in my formula gives the output: 1:-34:25. 2,459 1 1 gold badge 15 15 silver badges 26 26 bronze badges 1 Thanks, in my case it was definitely necessary to cut off seconds, as I do some more time based calculations and rely on proper DateInterval objects. days. DateTime::add () - Modifies a DateTime object, with added amount of days, months, years, hours, minutes and seconds. 2. glad that it helped :) – macghriogair. I don't want to use cron on Linux/Unix/BSD box or Scheduled Tasks on Windows. 1,945 1 1 gold badge 19 19 silver badges 29 29 bronze badges 1 Note that in all of these answers, you are getting GMT (or UTC or whatever you want to call it) time. How To's. PHP DateInterval does not applied on DateTime object. See Also. date, and this for DateInterval): Im on mobile i cant cant test it but if it s dont work i can correct in few hour. The form element collects year, month, day, hour, minute and seconds, and by passing the #granularity, the developer can select which time elements should be included. Featured on MetaI have extended the php class. Quoting from PHP. How can I get month Interval in php using DateInterval. That means that it's off by an hour at most, but except for that it should be correct. Properties recurrences. 4 only adds 3 days and 1 hour with each iteration while ignoring the 2 weeks period. We will further analyze their implementations. It should actually be: 25:25The DateAdd function has a built-in calendar algorithm to prevent it from returning an invalid date. 1. Collectives™ on Stack Overflow. Display the time format, which is easy to understand. From the Carbon documentation:. There is a fundamental problem with comparing two DateInterval 's. days * 24 * 60 * 60 ); The calculation in the last step does not take into account the hours, minutes and seconds in the date difference (as they're not included in the %a format). g. – marknt15. The DateInterval object is used to specify the interval of time to subtract, in this case "P1M" for one month. Please note this assumes that all days are 24hrs which may not. Minutes to add will just be a number between 0 and 59Adding Days to a Date with PHP DateInterval. You can rate examples to help us improve the quality of examples. I wanted to. Then, when converting from seconds, it would divide in that order, each time taking the modulo of the previous operation, until only <60 seconds are left. You will also have to use the letter T for intervals which contain a time component. $newTime = $current->format('Y. You should make use of the DateTime and DateInterval classes in Php, and things will turn to be very easy and readable. Using that, we can convert the number of days into seconds by multiplying it with hours in a day, minutes in an hour, and seconds in a minute (i. PHP calculating number of days between 2 dates. Three refreshes right now at 9:51pm give the following results: 2013-03-26 09:09:03, 2013-03-26 09:17:03, 2013-03-26 09:30:03 The best course of action is using PHP's DateTime (and DateInterval) objects. 0. Only missing some explanation of the DateInterval value P1D, so here are some Period Designator examples Two days : P2D Two seconds : PT2S One week and ten minutes : P1WT10M Y for years M for months D for days W for weeks. If I add 1 month it will just add 1 on the month part and leave the day part (2011-01-15 will become 2011-02-15) If the day is not existing in the month we will end, we take the last existing day of it (2011-01-30 will become 2011-02-28)Method 1: Using date_diff () Function. Just an example to include the end date using the DateTime method 'modify'echo "<br>". Below programs illustrate the date. See DateInterval::format () . Therefore it does not make sense to determine if a date coincides with an interval. So, there are same moment will return 0. PHP Collective Join the discussion. Si el objeto DateInterval se creó con DateTime::diff(), entonces es el número total de días entre las fechas de inicio y fin. DateInterval::createFromDateString. There is no start date, no end date, just duration. 3 build (at least on Windows, it always returns the same 6015 value). 在 PHP 中使用 time () 获取昨天的日期. Like DateTimeImmutable::add() but works with DateTime . <?phpIf I add 1 minute, it still adds an extra hour. 0. See the formatting options for the date() function. To get the time different in two timestamps you can simply minus the first timestamp from the second. PHP Manual - DateInterval. Sorted by: 4. Calculate months between two dates using DateInterval without wrapping within a year. PHP DateInterval not returning last day of the month. Example. Here is an example: This will output "12-2021". 3. Adding a DateInterval of 1 day to a DateTime set at midnight results in a DateTime set to 1:00 AM. Follow. Jan 29, 2024 00:00:00 Feb 15, 2024 01:00:00 Mar 03, 2024 02:00:00 Mar 20, 2024 03:00:00 Apr 06, 2024 04:00:00 Apr 23, 2024 05:00:00. " Each duration period is represented by an integer value followed by a period designator. DateTime "first day of last month" not returning the first day. 0. This code starts every week on a thursday and ends on a wednesday. 3. PHP Manual - clone. Program 2: This program uses DateTime::sub () function to subtract the given interval from date object. しかし、 DateTime クラスはまだ十分普及しているとは言えないようにも見えます。. However, the days property of the DateInterval object seems to be broken in the current PHP5. P1Y2M3DT4H5M6S — 1 year 2 months 3 days 4 hours 5 minutes and 6 seconds. This date will be written into an . Transform your intervals into timestamps. Otherwise, days will be FALSE. I also attempted to do it in a way which would fail to preserve number. Weitere Informationen finden Sie in der DateInterval-Dokumentation. 現在、PHP には、 date () 、 strtotime () をはじめとする関数と、PHP 5. And I don't mean by just a couple seconds like one would expect, I mean lots of minutes. Program 2: This program uses DateTime::sub () function to subtract the given interval from date object. I am creating an online booking system. [2012-05-05 20:45 UTC] php at arjanonline dot net Description: ----- When I create a DateTime object from a (any) timestamp and then add a DateInterval object to the DateTime object, the time in the DateInterval object is added and one additional hour is also added. You can use the DateTime object in PHP to subtract one month from a date formatted with date ('m-Y'). Parameters. PHP Collective Join the discussion. One easy way to get the number of days is to create a DateTime at zero time, add the interval to it, and then get the resulting timestamp: Modifies the specified DateTime object, by subtracting the specified DateInterval object. The most. Calculate total seconds in PHP DateInterval. The field can be rendered in a variety of different ways (see widget) and can be configured to give you a DateInterval. 400 seconds. The diff() method will return a new object of type DateInterval. Nota: . I'm talking about two issues: (1) the number of days in the month which varies from months 1-12 as well as for month 2 which could be leap year (or not); and then issue (2): what if there is the need to specify a large. For example, between today at 13:00 and tomorrow at 12:00, I should get 1 (day), even though the interval is less than 24 hours. The procedural version takes the DateTime object as its first argument. Used Symbols. Why is date() returning the wrong month? 2. The code can be made shorter if you desire. It is better to work with a Carbon object, like this :(PHP 5 >= 5. 4. Today we’re going to dissect the PHP DateInterval class, a power tool for dealing with dates in a web app. Below post was because I was an idiot who didn't read the question properly, but will get the dates in a week starting from Monday, given the date, not the week number. C# (CSharp) DateInterval - 60 examples found. In order to compare those two dates we use the method diff() of the first. It is the most modern method for handling datetime and doesn't require any calculation of minutes & seconds. . PHP で DateInterval を使用して昨日の日付を取得する. Posted on May 1, 2013 by John Conde. 1. ics file as an event end date (publishing a calendar file). As stated in the documentation to DateInterval::format The DateInterval::format() method does not recalculate carry over points in time strings nor in date segments. DateTime::diff () - Returns the difference. The DateTime structure represents an. There's DateInterval though, which handles date intervals. DateTime::__construct — Returns new DateTime object. 0. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. PHP: define start date for interval. ini or declared in Twig -- see below), but you can override it by explicitly specifying a timezone: 1. " [2012-02-25 12:20 UTC] map at wafriv dot de I've got the same problem with PHP 5. It uses the "natural" order of the variables in php DateInterval class. 3D P1DT1. El método DateInterval::format() no recalcula los excesos en cadenas de hora ni en segmentos de fecha. Return Value: Returns a DateTime object on success. 1. Viewed 102k times. For example, if a record is created now, a new one can only be created in say 10 seconds. 1. The minimum amount of instances as retured by the iterator. In PHP the logic equivalent of the MySQL's function now () is time (). Syntax:If you want it to be something very close to 1, ~0. I am using Carbon to calculate the time between two dates. Getting php to properly add days to date. 1. Overall your answer is correct also. Add one hour to PHP variable with date-1. Calculate time elapsed in php - spans over 24 hours. The date time format I have is: 2011-11-17 05:05: year-month-day hour:minute. 2. ; Both these methods are marked in the doco as being. , ChatGPT) is banned. You should call different time zone between them. A DateInterval is relative, while a DateTime is absolute: P1D means 1 day, so you would think that means (24*60*60) 86. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companyAn expression representing the date and time to which the interval is to be added. { { datetime|format_datetime (locale='en', timezone='Pacific/Midway') }} If the date is already a DateTime object, and if you want to keep its current. See the example below, where we are adding an interval of 7 days and printing a message on the screen:PHP DateInterval. 1. Unlike using strtotime() this will account for daylight savings time and leap year. net has a few comparisons between. DateTime::sub () - Subtracts an amount of days, months, years, hours, minutes and seconds from a DateTime object. Syntax: DateInterval DatePeriod::getDateInterval ( void ) Parameters: This function does not accept any parameters. . DateTime::sub — Subtrahiert eine Anzahl von Tagen, Monaten, Jahren, Stunden, Minuten und Sekunden von einem DateTime-Objekt. PHP. . They will receive two different dates in their constructors. I only said that it could be improved by giving the OP the alternative he is looking for (and its not like adding a link to DateTime::modify would. – Paul Feakins Dec 15, 2020 at 14:52Return a specified part of a date: SELECT DATEPART (hour, '2017/08/25 08:36') AS DatePartInt; Try it Yourself ». Calculate total seconds in PHP DateInterval. 3. DateInterval can be used to create a new dateinterval object for our date calculation and uses in any script. – Scott Saunders Mar 23, 2010 at 14:30This class decorates PHP’s DateInterval class to provide additional means to create a DateInterval instance. As commented by @Álvaro González on my other answer that objects in many languages behave some what different than what we think when passing objects between different variables. Possibility to store a duration/time in a mysql datetime field. I'm really stuck with adding X minutes to a datetime, after doing lots of google'ing and PHP manual reading, I don't seem to be getting anywhere. Php date function -1 month issue. PHP Collective Join the discussion This question is in a collective: a subcommunity defined by tags with relevant content and experts. 0) Examples: Z or +02:00: T: Timezone abbreviation, if known; otherwise the GMT offset. For example, 1 hour 30 minutes should display as 1. g. Hour (0 through 23) Minute 8: Minute (0 through 59) Month 2: Month (1 through 12) Quarter 1: Quarter of year (1 through 4) Second 9:. For example, the following representations are valid ISO 8601 intervals, but will cause the DateInterval constructor to throw exceptions: P0. Six years and five minutes is P6YT5M. 0 이후 지원되는 은 다른 언어들과 비교하면 아직 모자란 부분이 많이 있지만 그래도 쓸…I would like to calculate with PHP the start and end datetime of an event. . How to create a DateInterval from a time string. There are two ways to obtain the date and time in PHP. net I don't see why I can't reproduce it then. PHP date interval - wrong month difference. PHP: DateInterval # Adds 7 days to the project launch. The format specifier is the same as supported by date, except when the filtered data is of type DateInterval, when the format must conform to DateInterval::format instead. Adding intervals like this is meant to add to the wall time. In other words, it defaults to the value of time(). 0 but DateInterval as well as some DateTime methods are not available prior to 5. So it's pretty simple. If you do something like DateAdd(DateInterval. Hier ist ein Beispiel, das zeigt, wie einfach es ist, Datums- und Uhrzeitangaben in PHP hinzuzufügen oder zu subtrahieren. logos-php at kith dot org. To format date you can use format () method on DateTime object. Improve this question. 0. 0. A one-liner option is: echo date_create('2011-04-24')->modify('-1 days')->format('Y-m-d'); Running it on Online PHP Editor. I used: composer require league/oauth2-server openssl genrsa -out private. The Overflow BlogCreate a new ChronosInterval instance from specific values. This function will return a DateInterval object on the success and returns FALSE on failure. So: $date =. 3. can not be combined with D. Example: This example illustrates the use of the date_diff () function to calculate the difference between the 2 dates. This is expected because it is not possible to overflow values like "32 days" which could be interpreted as anything from "1 month and 4 days" to "1 month and 1. The difference is in the 'immutable' part, which means once the object is created it can never change (wiki for more info). days: If the DateInterval object was created by DateTime::diff(), then this is the total number of days between the start and end dates. 3. You do it with: date ("Y-m-d H:i:s");And vice versa. This is expected because it is not possible to overflow values like "32 days" which could be interpreted as anything from "1 month and 4 days" to "1 month and 1 day". Return Value : This function returns a DateTime. PT6H: A period of six hours. EDIT: I guess I'll actually be pulling the time entered from the database and checking if has been + 1 hour. [PDF] A Comprehensive Guide to REDCap Project approvals will generally be granted within 1–2 business days (24–48 hours) of the request. Examples with filter:Possible Duplicate: Get timestamp of today and yesterday in php I was wondering if there was a simple way of getting yesterday's date through this format: date("F j, Y");``` Dates in the m/d/y or d-m-y formats are disambiguated by looking at the separator between the various components: if the separator is a slash (/), then the American m/d/y is assumed; whereas if the separator is a dash (-) or a dot (. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. The DateInterval object represents the difference between the two dates. @niceman Nope, date_diff doesn't work (date_diff() expects parameter 1 to be DateTimeInterface, object given) and date_create() doesnt works too (not accepting normal nor formated dates of type DateInterval)(PHP 5 >= 5. Description ¶. This is a great answer to this question, but I also just want to say, to anyone reading this, it's well worth your time to learn how to use them if. (PHP 5 >= 5. 3. Example: Lets get the previous day. DateTime handles time-of-day, not time intervals. We can use it to get the current year, current month, current hour, etc. DateTime::__construct — Returns new DateTime object. The Overflow BlogI would like to write a method which I can give a period of time (Like: yearly, monthly. Carbon 继承了PHP的 Datetime 类，所以 Carbon 中没有涉及到的，但在 Datetime 中已经实现的方法都是可以使用的。. Is 1 if the interval represents a negative time period and 0 otherwise. Véase DateInterval::format(). . 2,824 1 1 gold badge 25 25 silver badges 36 36 bronze badges 1 "The ISO 8601 standard for duration is a string in the form of P{y}Y{m1}M{d}DT{h}H{m2}M{s}S where the {*} parts are replaced by a number value indicating how long the duration is. If you are stuck in a position where all you have is the DateInterval, and you (like me) discover that there seems to be no way to get the total minutes, seconds or whatever of the interval, the solution is to create a DateTime at zero time, add the interval to it, and then get the resulting timestamp: Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand I had the same situation. DatePeriod::getRecurrences — Gets the number of recurrences. starttime: 2016-11-30 03:55:06 endtime: 2016-11-30 11:55:06 php; timestamp; Share. Note that neither minute nor hour is a precise unit of time. PHP DateInterval: Diff between same date in two different months is not one month. Since OP said nothing about DST, i presume the last. 0) Examples: Z or +02:00: T: Timezone abbreviation, if known; otherwise the GMT offset. here is my code so far (does. DateTime::createFromFormat — Parses a time string according to a specified format. Datetime Add/Subtract Miscalculation. Whether you're preparing for your first job interview or aiming to upskill in. Date/Time Functions. DateTime::add() - Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object DateTime::diff() - Returns the difference between two DateTime objects DateTime::modify() - Alters the timestampAdds the specified DateInterval object to the specified DateTime object. I have a PHP variable that says: 07/05/2016. f. calculate total number of days in specied dates. Minute, dtpTimeIn. How to add timestamp to Minutes in php. Returns the current time measured in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT). 3. The most. Sorted by: 4. B. Whether you're preparing for your first job interview or aiming to upskill in. The optional timestamp parameter is an int Unix timestamp that defaults to the current local time if timestamp is omitted or null. It would be super simple to create one of those strings from input like that, rather than converting between time units to store an int. A one-liner option is: echo date_create('2011-04-24')->modify('-1 days')->format('Y-m-d'); Running it on Online PHP Editor. This function is used to find the difference between two dates. I also attempted to do it in a way which would fail to preserve number. Improve this answer. 2. Also think about Days,. Changelog. DateTime::sub() - Sustrae una cantidad de días, meses, años, horas, minutos y segundos de un objeto DateTime DateTime::diff() - Devuelve la diferencia entre dos objetos DateTime DateTime::modify() - Altera la marca temporal ＋add a note在 PHP 中使用 strtotime () 获取昨天的日期. And, well, you can't do what you want to a string. 00PM'; $date = new DateTime ($string); $interval = new DateInterval ('PT6H'); $date->add ($interval); // Now add another 6 hours while we are between 12:00 AM and 6:00 AM while ($date->format ('G') >= 0 && $date->format ('G') <= 6) { $date->add ($interval); } echo $date. Ladislav Vondracek. I solve it for my case by creating a new stdClass, this object emulates a DateInterval object, however it is not a real DateInterval object. Jan 29, 2024 00:00:00 Feb 01, 2024 01:00:00 Feb 04, 2024 02:00:00 Feb 07, 2024 03:00:00 Feb. 75. The format starts with the letter P, for "period. The default value of Date is 0:00:00 (midnight) on January 1, 0001. g. 2 meant using date (), strtotime (), and other date related functions sometimes in convoluted ways to get to the date (s) you were looking for. 3 版本中使用这种方法。Also make sure your php version (PHP 5 >= 5. Even with DateInterval though you'll have to do some calculations, since it'll break down an interval into days and hours. In PHP, the DateInterval object exists to describe the duration of time. 2,459 1 1 gold badge 15 15 silver badges 26 26 bronze badges 1 Thanks, in my case it was definitely necessary to cut off seconds, as I do some more time based calculations and rely on proper DateInterval objects. Syntax: Object oriented style:Summary: in this tutorial, you’ll learn how to work with the date and time in an object-oriented way. 3's DateInterval supports this. What I'd like to do is only show the time formatted in x hours ago if the time is within the last 24 hours, otherwise just show a normal datetime. 0. The constructor for this class accepts the specified interval as a string which starts with P. This process is not always reversible. PHP - total number of days is not an integer. So, the P2W is equal to “2 weeks“, P1D is equal to “1 day“, PT36S is equal to “36 seconds“, etc. This question is in a collective: a subcommunity defined by tags with relevant content and experts. The DATE_ADD () function may return a DATETIME value or a string, depending on the arguments: DATETIME if the first argument is a DATETIME value or if the interval value. How to create split second DateInterval in PHP? For example: 0. But the result is looks like the DateInterval function don't work as it should. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companyHaving a look on the PHP documentation, the following two methods of the DateTime object would both seem to solve my problem:. 0. In general an. Introduction to the PHP DateTime class. I am trying to calculate all the hours from start to end which I was able to do, but I need to display the hours in intervals. Hot Network Questions A question of random points in a square and probability of intersection of their line segmentsFloating point number stores fraction value. As of now I can compute the time difference between the two datetimes excluding the Saturdays and Sundays. I was trying to. Unexpected DateTime DateInterval DatePeriod results. I've read the documentation and don't quite understand how it works. Finally, we subtracted those seconds from our timestamp and then printed out the result in a human friendly date format. about 5 seconds ago about 1 minute ago about 1 hour ago about 1 day ago about 1 month ago about 1 year ago---about 2 years ago. Here is my attempt to add an hour onto it: $time = 'Tue May 15 10:14:30 +0000 2012'; $dt = new DateTime ($time); $dt->add (new DateInterval ('P1h')); The DateInterval class ¶ (PHP 5 >= 5. We can use the class DateInterval to add or subtract some interval in a DateTime object. Y0M replaced by Y; P0M replaced by P; change D0H to TD0H replaced by DT; remove redundant Y0M. $timezone = new DateTimeZone('America/New_York'); $date1 = new DateTime (date("Y:m:d H:i:s", time()), $timezone); $date1->add(new DateInterval. This page describes the different date formats in a BNF-like syntax, that the DateTimeImmutable , DateTime, date_create () , date_create_immutable (), and strtotime () parser understands. Output: 00-0-1 22:0:0 In this example we created two DateTime objects. So PHP should add that with each iteration. Mar 16, 2017 at 2:35. ,You can also define a single string pattern if you want, using [] to delimiter the optional sections:,The first is harder, but maybe there is a trick with one of the many string-to-date converters in PHP?1 hour - 3600; 1 day - 86400 (24 hours) 1 week - 604800 (7 days) 1 month - 2419200 (4 weeks) Share. ＋ add a note. How do I add 1 hour to datetime SQL column data? 0. 7 it adds 1 to the hour to make it go from 1 to 2, without being tipped up by the DST transition. 0. I have this string object in my php array "2013-03-05 00:00:00+00" I would like to add 12 hours to the entry within PHP, then save it back to string in the same format. This is expected because it is not possible to overflow values like "32 days" which could be interpreted as anything from "1 month and 4 days" to "1 month and 1 day". PHP DateInterval - 30 examples found. Veja Também. Then, when converting from seconds, it would divide in that order, each time taking the modulo of the previous operation, until only <60. This function returns a DateInterval object on the success and returns FALSE on failure. However, under PHP 5. In the case above, 12 x 3600 = 43200. I have this string object in my php array "2013-03-05 00:00:00+00" I would like to add 12 hours to the entry within PHP, then save it back to string in the same format. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the company31 years 8 months 2 weeks 5 days 1 hour 46 minutes 40 seconds 317 years 1 month 5 days 17 hours 46 minutes 40 seconds 3170 years 11 months 3 weeks 6 days 9 hours 46 minutes 40 seconds.