PHP date_interval_format() 函数

PHP Date / Time Functions

实例

计算两个日期间的间隔，然后格式化时间间隔：

format("Total days: %a.");
?>

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Definition and Usage

date_interval_format() function is an alias of DateInterval::format().

The DateInterval::format() function is used to format time intervals.

Syntax

DateInterval::format(format);
Parameter Description
format

Required. Specify the format. The format parameter string can use the following characters:

  • % - Literal %
  • Y - Year, at least 2 digits, with leading zero (e.g., 03)
  • y - Year (e.g., 3)
  • M - Month with leading zero (e.g., 06)
  • m - Month (e.g., 6)
  • D - Day with leading zero (e.g., 09)
  • d - Day (e.g., 9)
  • a - Total days between two dates obtained from date_diff()
  • H - Hour with leading zero (e.g., 08, 23)
  • h - Hour (e.g., 8, 23)
  • I - Minutes with leading zero (e.g., 08, 23)
  • i - Minutes (e.g., 8, 23)
  • S - Seconds with leading zero (e.g., 08, 23)
  • s - Seconds (e.g., 8, 23)
  • R - '-' symbol when negative, '+' symbol when positive
  • r - '-' symbol when negative, empty when positive

Note:Each format string must start with the '%' symbol!

Technical Details

Return Value: Return formatted time interval.
PHP Version: 5.3+

PHP Date / Time Functions