The class of returned objects is equivalent to the DateTimeImmutable or DateTime ancestor class of the start object. Since the difference is 2 days, the hours property is 0, which is what you get. Take a look at the DateInterval constructor manual page to see how to construct other periods to add to your date (2 days would be 'P2D', 3 would be 'P3D', and so on). echo $diff->format ("Total number of days: %a. 1. In this example, the difference between two dates is divided into years, months, and days as part of the PHP calculate days between two dates mechanism. here is my code so far (does. In essence, it does not accord for the day of the month. This question is top on a google search for "php datetime add one year", but severely outdated. PHP Collective Join the discussion This question is in a collective: a subcommunity defined by tags with relevant content and experts. You will get the result object, which you can loop thru to get the desired dates between the 2 dates: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. To add an. –The DateInterval::format () method does not recalculate carry over points in time strings nor in date segments. If I chose 05 Aug 2015 as start date and 17 Oct 2015 as end date, then my array output should be divided in 3 arrays: 1st array for 05 Aug 2015 - 31 Aug 2015; 2nd array for 01 Sept 2015 - 30 Sept 2015; 3rd array for 01 Oct 2015 - 17 Oct 2015; We can achieve this thing by php DateInterval. This function is especially useful when you want to display dates and times in a specific format, or when you need to manipulate date and time values. The newer PHP-Versions provide some new classes called DateTime, DateInterval, DateTimeZone and DatePeriod. 2. For procedural style only: A DateInterval object. Follow edited Sep 2, 2015 at 8:44. DateTime::createFromImmutable. Postgresql generate date series (performance) Using postgresql version > 10, I have come to an issue when generating date series using the built-in generate_series function. 2. 日付の差. For example, the user can sele. 4. Specify the format. such as using a DateInterval object representing relative time specifications such as next weekday, a DateInvalidOperationException is thrown. H: 24-hour format of an hour with leading zeros 00 through 23. 1. A duration is the continuous portion of time between two datepoints expressed as a DateInterval object. In diesem Tutorial haben wir gelernt, wie man das aktuelle Datum und die aktuelle Uhrzeit in einem gewünschten Format mit der date () -Funktion ausgibt. But I have a problem: when the duration in format ISO Contains only int number(PT2M2S), the DateInterval function works perfectly but. Manual de PHP; Referencia de funciones; Extensiones relacionadas con fecha y hora. Calculate the interval between two dates, then format the interval: <?php. Description. Two seconds is PT2S. . Twig seems not recongnize the "%l" format to display minutes with leading zero. A date interval stores either a fixed amount of time (in years, months, days, hours etc) or a relative time string in the format that DateTime 's constructor supports. until today. PHP DateInterval: Diff between same date in two different months is not one month 3 Calculate months between two dates using DateInterval without wrapping within a yearNew search experience powered by AI. PHP - DateTime->add not working. Adding any minutes to a given time is very similar to adding any days to a given date. 1. Do not use time(). The format starts with the letter P, for "period. Jan - June 2015, July - Dec 2015, Jan - June 2016. Date/Time Arithmetic. DateTime::createFromFormat — Parses a time string according to a specified format. See DateInterval::format () . As Carbon extends DateTime it inherit its methods such as diff() that take a second date object as argument and returns a DateInterval instance. days. Why does date object diff on month reset to 0 after 12 months?Create a Seconds-Only PHP DateInterval by Leonel Elimpe. Additionally the buildDate and releaseDate may be needed elsewhere in the code - such as being stored in a database, in other. ini file depending on whether it's running from the CLI or as a CGI from the webserver. epoch time), a DateTime object, and a string. Out of scope of this RFC is changing and improving. 0. So, if I read correctly the PHP documentation I must. Esto se debe en gran medida a la cantidad de operaciones que puedes hacer con ellas y la cantidad diferente de. 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" . 2. 2. It is probably not a very portable solution, but it seems to be working just fine in php 5. I am currently working on a php project and need to format a DateInterval as ISO8601 (something like this): P5D This format can be used to create DateTime and DateInterval objects, but I can't figure out a way to format a DateInterval into this format. I have a duration in ISO format witch I need to convert it into seconds number. 2. I get the start of this event and the duration to add to get the end. Calculate months between two dates using DateInterval without wrapping within a year. If the DateInterval object was created by DateTime::diff(), then this is the total number of days between the start and end dates. MySQL datetime: The DATETIME type is used for values that contain both date and time parts. I need a method for adding "business days" in PHP. Check CarbonInterval chapter for more information. In this quick tip, I will show you how to add days to a date in PHP using the DateInterval class. 3, if you have to. Changelog. Example if you need to display the time of 5 minutes and 2 seconds by showing a leading zero (05:02). I used DateInterval::format to display a human readable countdown clock in years, months, and days. Function Reference. So I wrote my own bulky method but it feels like it should be simpler than this: public TimeSpan FromPhpDateInterval (string phpDateInterval) { // Method to parse php's interval_spec (An interval specification) // The format starts with the letter P, for "period. [2009-06-19 17:19 UTC] pierre dot inglebert at insa-rennes dot fr Description: ----- DateInterval::format method just returns the parameter given. Both methods accept a DateInterval class instance as the argument that specifies the amount of time added to or subtracted from a DateTime instance. PHP date interval format() Function - The date_interval_format() function is an alias of DateInterval::format(). The following example adds 1 year 2 months to the date 01/01/2021:It looks like PHP 5. 1 +PHP Version: 7. Adding an interval to a DateTime object. Or if you're confident of the format, split up the string with explode() or even substr and pass the necessary parts into the mktime function. For instance, to display the current date,. First up, a recipe to get the current date and time:Introduction. 6 and 5. Uses the DateTimezone base PHP class to do so. I am trying to create a dropbox that will display the last year, the current year and the next year using the php DateTime object. invert. The return value of DateTime::diff is a DateInterval. For example, considering you are in 2023-03-30, than the result would be 2023-02. 1). As an experienced developer, I know I can reach for PHP's built-in date-time classes or one of the libraries built off of them. class CustomDateInterval extends DateInterval { public function __toString() { // Reading all non-zero date parts. You can't. 5. It doesn't matter if the object is the one diffed or doing the diffing (i. diff () returns a DateInterval which has a public days property. . Parameters ¶ format Return Values ¶ Returns the formatted. The DateInterval::format() function can be used for formatting using the characters below. 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. Function Description. The characters mentioned in the table below can be used in the format parameter string. I can't find that anymoreVer también. 1. 2 から追加された DateTime クラスの2種類が存在します。. Stack Overflow is leveraging AI to summarize the most relevant questions and answers from the community, with the option to ask follow-up questions in a conversational format. Date Format is a built-in function in PHP that formats a date and time. 日付文字列で生成. These are the top rated real world PHP examples of DateInterval::format extracted from open source projects. DateInterval::format () - Formats the interval. publicado por Pablo López en Tutoriales el 1 de febrero de 2022. This is what I need: is the current time/date in the recurring interval. 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 noteDateTimeComputed: Calculate the date value into a format that can be displayed in the widget. DateInterval string Problems. We will begin with an overview of DateInterval and then move on to actual addition. You only need to use the specific DateInterval format string. 8. It also allows you to specify the format of the output. This article does that, replacing as much as possible the principles and examples of the original article on a 1:1 basis. Here's an example:--TEST-- DateInterval::format() with timezone, except %a --DESCRIPTION-- %a is covered in a separate test. The date filter accepts strings (it must be in a format supported by the strtotime function), DateTime instances, or DateInterval instances. Adding a new interval format constant to be passed to DateInterval::format (eg. H: 24-hour format of an hour with leading zeros 00 through 23. DateTime::add — Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object. The recommended solution to calculate the number of days between two dates is to convert both dates into DateTime objects and use the DateTime::diff() function to get the DateInterval object representing their difference. More specifically, the information in an object of the DateInterval class is an instruction to get from one date/time to another date/time. I also attempted to do it in a way which would fail to preserve number of days in each month (rounds to 30), leap years, etc: 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: Es 1 si el intervalo representa un periodo de tiempo negativo y 0 si no. # Manipulation Though in reality, we can never manipulate time, with DateTime , we can actually do that. I get several dateTime informations through an API. You can use '%d' to get the days but it will also return 0 in the case of new \DateInterval('P1Y') as it does not convert years to days. When doing difference between DateTimeInterface objects, DateInterval object will be returned. But it is more readable like that. There's DateInterval though, which handles date intervals. However, sometimes "%F" prints incorrect value because. Since I wrote the original article about Handling Date and Time in PHP and MySQL several years ago, it seemed like now was a good time to update it for object-oriented PHP. The task is to convert DateTime to String using PHP. It does this by converting until the first non-number. The characters mentioned in the table below can be used in the format parameter string. It is best to consult the format characters table in the date() function documentation for more information about special cases. The first iteration of the loop runs, but the second returns this error: PHP Fatal error: Call to a member function format() on a non-object . x being dead: yes, but there is still an awful lot of shared hosts out there running it. Otherwise. 1 Answer. I use the function DateInterval to extract years, mounths, days, hours, minutes and seconds and convert its into seconds. PHP Manual. Meta Stack Overflow. DateTime::createFromFormat () Parses a time string according to a specified format. Using PHP’s DateTime object to subtract hours from a date. 0. Quoting from PHP. . If the duration contains time elements, that portion of the specification is preceded by the letter T. I have a DateTime, in my case 2021-03-28 08:45. See Also. 5 chronometer format is supported. 1. 5. So I tried the following code: The DateInterval::format() method does not recalculate carry over points in time strings nor in date segments. ShareWell, since format() is really there to let you specify the output format, the format string isn't optional. Provide details and share your research! But avoid. 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. A DateInterval object is created with the parsing of a PHP duration by the constructor of the DateInterval class which also stores individual values within its properties. DateTime::add — Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object. The php class DateInterval has its specific format of input such as. « date_interval_create_from_date_string. (Like swap the positions of a characters in string) 0. It uses the "natural" order of the variables in php DateInterval class. 5 which returns a new DateTime object for every method call instead of updating it (slower). 1. 2. publicstringDateInterval::format( string$format) Formats the interval. Format DateInterval as ISO8601. My snippet lo. DatePeriod objects can be used as an iterator to generate a number of DateTimeImmutable or DateTime object from a start date, a interval, and an end date or the number of recurrences. It has been included in PHP from the fifth version and is available in the latest PHP version. はじめに. DATE_INTERVAL_ISO8601 ): Most in line with the DateTime API, but probably requires special case handling in format code. DateTime will return itself or false on failure for every method call. epoch time), a DateTime object, and a string. format character Description Example values % Literal % % Y: Years, numeric, at least 2 digits with leading 0: 01, 03: y: Years, numeric: 1, 3: M: Months, numeric, at least 2 digits with leading 0: 01, 03, 12: m. 3. " Each duration period is represented by an integer value followed by a period designator. You can add a comment by following this link or if you reported this bug, you can edit this bug over here. This function accepts an interval and a format string as parameters and, formats the given interval in the specified format. The unit types must be entered from the largest scale unit on the left to the smallest scale unit on the right. 1. PHP Collective Join the discussion This question is in a collective: a subcommunity defined by tags with relevant content and experts. Strictly it's doing the right thing, since your interval spec string. I've tried playing around with DateInterval but I've not had much luck. modify accepts a string in one of the standard recognized formats. the number of seconds of the number of chosen weeks minus the first week and the current week. The date() function obtains the current date and time as a formatted string. e. I would like to convert it with to a readable sting using DateInterval::format. To add an interval to date, you create a new DateInterval object and pass it to the add() method. Take the following example:Introduction. PHP's DateInterval class was introduced in PHP version 5. Use it or do some manual calculation. 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". The Overflow BlogSee the DateInterval constructor documentation: The format starts with the letter P, for "period. – Kinjal Dixit Jan 13, 2011 at 4:53See DateInterval::format docs. You have to create two DateTime (they can be any date and time), add your interval to the second and substract the first from the second. Right now, they are either warnings/errors, or plain “Exception” or “Error”. But still not correct. This is done with the usage of DateTime and DateInterval objects and an echo statement to print the relevant years, months, and days. . Learn more about CollectivesDateTime supports microseconds since 5. I use a "DateInterval" with an interval of 3 hours to get all the dates between a start and end time. " Each duration period is represented by an integer value followed by a period. Featured on MetaThis function is an alias of: DateInterval::createFromDateString () ＋ add a note. Data/Example: Today : 2013-07-16 12:37 Event Data : Start Date : 2012-04-03 12:30 Interval : 2 Interval Type : week. Creates a new DatePeriod object. Just to expand on previous answers, a function to do this could work like this (changing the time and interval formats however you like them according to this for function. –(PHP 5 >= 5. What you can do with this function/method is a great example of the philosophy: "just because you can do it doesn't mean you should". 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. なぜなら "32 days" のようにオーバーフローした値は "1 month and 4 days" から "1 month and 1 day" までのどれとでも解釈可能だからです。. Says DateInterval format is wrong. The Overflow BlogTransform your intervals into timestamps. Where: P is the period designator (required) nY represents the number of years; nM represents the number of months; nD represents the number of days; T is the time designator (required if you're using hours, minutes, or. DateInterval: (PHP 5 >= 5. Véase DateInterval::format(). The DateTime class contains add() and sub() methods to manipulate a DateTime instance’s value. There is a function format for this. Even with DateInterval though you'll have to do some calculations, since it'll break down an interval into days and hours. Each format character must be prefixed by a percent sign (%). The following characters are recognized in the format parameter string. But if, in your actual code, there is a time component then you're going to have to finagle that format call to produce the correct interval spec. 4 instead of FALSE you will receive -99999 upon accessing the property. DatePeriod::getStartDate — Gets the start date. The DateInterval object represents the difference between the two dates. DateTimeInterface::diff — Returns the difference between two DateTime objects. 1. 5. 1. Adding or subtracting interval to a DateTime instance is quite easy. Your output probably doesn't say days = -10 days, but something like days = -10ays. And here's the extension to the initial DateInterval class:. The code can be made shorter if you desire. 10):Here is the working code for you: You should use DatePeriod which takes start-date, date interval, and end-date as arguments. Nobody offered a DateTime object solution yet, so I will. There are a number of interval properties in DateInterval class, you can check them out at PHP official site. Can you confirm your timezone (date_default_timezone_get())? EDITIf you are not so familiar with the spec of DateInterval like PT12H30M you can proceed with more human readable way using DateInterval::createFromDateString as follows :When putting in the method format the parameters 'i' and 's' in lowercase, when the value to be displayed is less than 10, put a single digit. 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. Datetime format as string not object-2. First of all, DateInterval constructor method takes one parameter named $interval_spec which is string. Creating. Use DateTime (or Carbon). You can rate examples to help us improve the quality of examples. The function expects to be given a string containing an English date format and will try to parse that format into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now is not supplied. I have released it under the MIT license, so feel free to build on top of it or use it in your own project. 0, PHP 7, PHP 8) DateInterval::format — Formats the interval Description ¶ public DateInterval::format ( string $format ): string Formats the interval. The DateInterval Class. The foreach cycle goes at first through years, then months, then days, etc. Stack Overflow is leveraging AI to summarize the most relevant questions and answers from the community, with the option to ask follow-up questions in a conversational format. Return Value: It returns a DateTime object after subtracting interval. There are two ways to obtain the date and time in PHP. . 5. The following example adds 1 year 2 months to the date 01/01/2021: How to format date in PHP from a string of concatenated numbers? 0. 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: Properties recurrences. Learn more about CollectivesSo it's pretty simple. One thing to know is that the dates and times can be represented in three forms: a timestamp (i. 750 1 7 24 Add a comment 3 Answers Sorted by: 3 The DateInterval class is a bit annoying like that. date() date_add(). A DateInterval object is created with the parsing of a PHP duration by the constructor of the DateInterval class which also stores individual values within its properties. The PHP documentation used to have 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 (. DateInterval doesn't accept ISO 8601 timeperiod with milliseconds. Do the same for the second date this time geting the last day of the week with "next saturday" (or sunday); Get both dates W and make a mysql comparison between the weeks. But the result is looks like the DateInterval function don't work as it should. About; Products For Teams;. date_diff produces a DateInterval type, which can't be used as a string - that's why you need to call ->format on it when you echo it. How to format date in PHP from a string of concatenated numbers? 0. Using the date() Function. The duration cannot be negative. This will. This RFC proposes to introduce Date/Time extension specific exceptions and errors where this makes sense. It isn't just months. Here's what you want with the help of this objects:format: This is a mandatory parameter that specifies the output date string format. logos-php at kith dot org. I don't want to use cron on Linux/Unix/BSD box or Scheduled Tasks on Windows. 1. The minimum amount of instances as retured by the iterator. 1. Why it's not a bug: The current behavior is correct. TL;DR do not use UNIX timestamps. – Devon Bessemer Sep 24, 2015 at 13:47 DateInterval::format () メソッドは、 時刻文字列や日付セグメントでの繰り越しを再計算しません。. DateTime::setTimezone — Legt die Zeitzone für ein DateTime-Objekt fest. net. You also need to call ->format('%d') where you're building the sql statement. EDIT: After everyones suggestions i've tried setting this at the top of my php code: date_default_timezone_set("GMT"); and I tried using date('Y-m-d H:i:s') to do the comparison to figure out the diff, but its saying "3 hours ago" rather than the 10 hours from now. You can also use PHP’s DateTime object to subtract hours from a given date and time. When doing difference between DateTimeInterface objects, DateInterval object will be returned. The format is as follows: PnYnMnDTnHnMnS. I may convert the values of hours, minutes and seconds to zeroes. Example. ＋ add. I assumed you were starting with user input that you would use to create the DateInterval. There are many other special characters to specify the output for the date() function. 3. DateTime::setTimestamp — Legt Datum und Zeit basierend auf einem Unix-Zeitstempel fest. In case of failure, this function returns the boolean value false. NOTE: This approach does not work for intervals less than a day with time-zones that recognize DST, due to a known issue with dates and the DST hour changes. If you look at the documentation, you will see that class has a days field which you can use to get an integer number of days. To expand on the solution provided by Dave and the solution provided by Guss. echo date_create('2011-04-24')->modify('-1 days')->format('Y-m-d'); Running it on Online PHP Editor. So "5 minutes" instead of " 0 hours, 5 minutes"For now I don't care about timezones and just want to have a correct calculated value of how many days are between two dates. Each format character must be prefixed by a percent sign (%). According to comment by kevinpeno at 17-Mar-2011 07:47 on php. In my code, I'm using DateTime objects to manipulate dates, then convert them to timestamp in order to save them in some JSON files. This is mentioned in the documentation for the date function, but bears repeating here. DateInterval::format (PHP 5 >= 5. 2. In order to compare those two dates we use the method diff() of the first. To achieve what you want going the object oriented style, you have to create a DateTime object first:31 years, 6 months, 14 days Code language: PHP (php) Check out all the DateInterval format parameters. (for example to be stored in database)?Parameter Description; format: Required. In this quick tip, I will show you how to add days to a date in PHP using. Which should strip out the nebulous "months and remainder days" and leave only the "total days", which gives consistent results across all current PHP versions. A PHP interval is also used for the storage of a relative time string in a specific format which is supported by the constructor of the DateTime object. During daylight savings changes 24 hours is not the same as 1 day, which PHP will arrange for you with the proper timezone configuration. If you do, be prepared should its 98. If the duration contains time elements, that portion of the specification is preceded by the letter T. For example, if. Calculate business days. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. This is expected because it is not possible to overflow values like "32 days" which could be interpreted as anything from "1. DateTime handles time-of-day, not time intervals. interval 1: 03:05 interval 2: 05:00 Total interval : 08:05 Instead you need to create a new DateTime object, then use the add function to add the intervals and finally display the difference to the reference point:See DateInterval::format(). You could access the public properties of the DateInterval class. $date1=date_create ("2013-01-01"); $date2=date_create ("2013-02-10"); $diff=date_diff ($date1,$date2); // %a outputs the total number of days. I've found a user contributed note in the DateInterval documentation. 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");you can use DateInterval::createFromDateString for readable code than using format. The Overflow BlogThe above method will accurately return the first day of the previous month. PHP Collective Join the discussion. DateIntervalType Field. Si el objeto DateInterval se creó con DateTime::diff(), entonces es el número total de días entre las fechas de inicio y fin. There's more then one way to do this with DateTime which was introduced in PHP 5. How to validate dates without leading zero on day and month? 1. Asking for help, clarification, or responding to other answers. Then, when converting from seconds, it would divide in that order, each time taking the modulo of the previous operation, until only <60 seconds. Ask Question Asked 8 years ago. You don't have DateTime's anymore, you have interval, and intervals are formatted different as DateTime objects. Output: 00-0-1 22:0:0 In this example we created two DateTime objects. 20/5. 4. Learn more about CollectivesHow do I get current date/time on the Windows command line in a suitable format for usage in a file/folder name? 1 Find dates between 2 dates with custom interval and without overflow172 1 5. I always like to drop in some sort of timezone declaration to make things definitive. The output when running the above code in PHP 8. Anyone know a script that can convert a. 3, you should be able to use strtotime the way you did it (I've tested it and it works in both 5. Some of the options are: d - The day of the month in the range of 01 to 31;. Note that use only previous month would result in a behaviour similar to -1 month. なぜなら "32 days" のようにオーバーフローした値は "1 month and 4 days" から "1 month and 1 day" までのどれとでも解釈可能だからで. 5. ), then the European d-m-y format is assumed. 3 build (at least on Windows, it always returns the same 6015 value). DateInterval represents a period of time by deconstructing the interval in different parts, years, months, days etc. 2. Date/Time Arithmetic. One of the key-points of PHP 5 OOP that is often. First of all, DateInterval constructor method takes one parameter named $interval_spec which is string. I have got two arrows set up, click for next day, next two days, soon and previous day, two days ago, soon. If the DateInterval object was created by DateTime::diff(), then this is the total number of days between the start and end dates. DateTime::__construct () Returns new DateTime object. Array ( [14] => Array // week ( [1] => 2013-04-01 [2] => 2013-04-02 [3] => 2013-04-03. This field allows the user to select an interval of time. It also provides the static method, which accepts the input strings and sets up a DateInterval from the. How can I get month Interval in php using DateInterval. expects to be given a string containing a US English date format and will try to parse that format into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now is not supplied. 0) for working with timezones, intervals and periods of time –Ver también. Extract from the PHP dateinterval format documentation below. Improve this answer. Y0M replaced by Y; P0M replaced by P; change D0H to TD0H replaced by DT; remove redundant Y0M. It's format is like P29DT48M56. e. Notas. The following characters can be used in the format parameter string: % - Literal % Y - Year, at least 2 digits with leading zero (e. So either the start date is incorrect or the amount of hours you want to add. date_isodate_set ». Without PHP 5. DateTimeImmutable::add() - Returns a new object, with added amount of days, months, years, hours, minutes and seconds DateTimeImmutable::diff() - Returns the difference between two DateTime objects DateTimeImmutable::modify() - Creates a new object with modified timestamp ＋add a noteDateInterval::format() with "%F" sometimes shows incorrect value by 1us: Submitted: 2017-04-01 01:35 UTC: Modified: 2020-09-01 12:48 UTC: Votes: 1: Avg. DateInterval::format (PHP 5 >= 5. Share. The following code creates a PHP DatePeriod object based off user inputs. 1, 7. Check if 1 timestamp is later then current. Right now the code assume that both the server and the time in the XML. Function Name. Nota: . Be aware that strtotime can sometimes get the timestamp wrong, if a slightly unconventional format is used. 2. The DateTime::add() function is an inbuilt function in PHP which is used to add an amount of time (days, months, years, hours, minutes and seconds) to the given DateTime object.