(PHP 5 >= 5.3.0)
DateInterval::format — Formats the interval
Formats the interval.
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 | Months, numeric | 1, 3, 12 |
D | Days, numeric, at least 2 digits with leading 0 | 01, 03, 31 |
d | Days, numeric | 1, 3, 31 |
a | Total amount of days | 4, 18, 8123 |
H | Hours, numeric, at least 2 digits with leading 0 | 01, 03, 23 |
h | Hours, numeric | 1, 3, 23 |
I | Minutes, numeric, at least 2 digits with leading 0 | 01, 03, 59 |
i | Minutes, numeric | 1, 3, 59 |
S | Seconds, numeric, at least 2 digits with leading 0 | 01, 03, 57 |
s | Seconds, numeric | 1, 3, 57 |
R | Sign "-" when negative, "+" when positive | -, + |
r | Sign "-" when negative, empty when positive | -, |
Returns the formatted interval.
Informacja: The DateInterval::format method does not recalculate carry over points in time strings nor in date segments. 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".
Przykład #1 DateInterval example
<?php
$interval = new DateInterval('P2Y4DT6H8M');
echo $interval->format('%d days');
?>
Powyższy przykład wyświetli:
4 days
Przykład #2 DateInterval and carry over points
<?php
$interval = new DateInterval('P32D');
echo $interval->format('%d days');
?>
Powyższy przykład wyświetli:
32 days
Przykład #3 DateInterval and DateTime::diff with the %a and %d modifiers
<?php
$january = new DateTime('2010-01-01');
$february = new DateTime('2010-02-01');
$interval = $february->diff($january);
// %a will output the total number of days.
echo $interval->format('%a total days')."\n";
// While %d will only output the number of days not already covered by the
// month.
echo $interval->format('%m month, %d days');
?>
Powyższy przykład wyświetli:
31 total days 1 month, 0 days