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  1. Introduction ¶ Represents a date interval. 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 DateTimeImmutable 's and DateTime 's constructors support. More specifically, the information in an object of the DateInterval class is an instruction to get from one date/time to another date/time. This process is not ...

  2. Mar 28, 2026 · More specifically, the information in an object of the DateInterval class is an instruction to get from one date/time to another date/time. This process is not always reversible. A common way to create a DateInterval object is by calculating the difference between two date/time objects through DateTimeInterface::diff ().

  3. The DateInterval class allows you to work with time intervals in PHP. It is used to store the difference between two dates or to specify an interval in date manipulation methods.

  4. May 4, 2024 · I am using php version 5.4.24 and I can't use the class DateInterval. I get this error: PHP Fatal error: Class 'DateInterval' not found

  5. Dec 27, 2023 · The DateInterval class provides an easy way to represent and manipulate durations in your PHP applications. In this comprehensive guide, you‘ll unlock the full potential of DateInterval to take your date and time programming to the next level.

  6. See DateInterval::format (). days If the DateInterval object was created by DateTime::diff (), then this is the total number of days between the start and end dates. Otherwise, days will be FALSE. Before PHP 5.4.20/5.5.4 instead of FALSE you will receive -99999 upon accessing the property.

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  8. Dec 29, 2025 · Creation of a Dateinterval Object The mechanism of creating a dateinterval object initiates with parsing of a PHP duration by the constructor of the dateinterval class. The constructor is also involved in the storage of individual values within its properties. Keep in mind that the mechanism automatically defaults all the undefined duration to ...