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PHP date_interval_format() Function
Definition and Usage
The date_interval_format() function is an alias of DateInterval::format(). This function accepts an interval and a format string as parameters and, formats the given interval in the specified format.
Syntax
date_interval_format($interval, $format)
Parameters
Sr.No | Parameter & Description |
---|---|
1 |
interval (Mandatory) This is an object of the DateInterval you need to format. |
2 |
format (Mandatory) This is a string value, specifying the format. |
Return Values
This function returns the formatted interval
PHP Version
This function was first introduced in PHP Version 5.3 and, works with all the later versions.
Example
Following example demonstrates the usage of the date_interval_create_from_date_string() function −
<?php $interval = new DateInterval('P25DP8MP9Y'); $format = "%d days; $res = date_interval_format($interval, $format); print($res); ?>
This will produce following result −
25 days
Example
Unlike other date/time functions date_interval_format() doesn't recalculate carry over points in date and time strings. Therefore if you pass date/time values beyond their boundaries, they will be formatted as it is −
<?php $interval = new DateInterval('P45M'); $format = "%m months"; $res1 = date_interval_format($interval, $format); print($res1); $res2 = date_interval_format(new DateInterval('PT30H'), "%h hours"); print("\n".$res2); ?>
This will produce following result −
45 months 30 hours
Example
Following example calculates the difference between a given date and the current date and formats the result using the date_interval_format function −
<?php $date1 = date_create("25-09-1989"); $date2 = date_create("1-09-2012"); $interval = date_diff($date1, $date2); $res = date_interval_format($interval, '%Y years %d days'); print($res); ?>
Example
<?php print(date_interval_format(new DateInterval('P12D'), "%d days")."\n"); print(date_interval_format(new DateInterval('P7M'), "%m months")."\n"); print(date_interval_format(new DateInterval('P12Y'), "%y years")."\n"); print(date_interval_format(new DateInterval('PT9H'), "%h hours")."\n"); print(date_interval_format(new DateInterval('PT45S'), "%s seconds")."\n"); ?>
This will produce following result −
22 years 7 days 12 days 7 months 12 years 9 hours 45 seconds