date_interval_format

Name:date_interval_format

Category:Date and time

Programming Language:php

One-line Description:Format the time interval.

Definition and usage

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

DateInterval::format() function is used to format the time interval.

Example

Calculate the interval between two day periods and format the interval:

 <?php
$date1 = date_create ( "1984-01-28" ) ;
$date2 = date_create ( "1980-10-15" ) ;
$diff = date_diff ( $date1 , $date2 ) ;

// %a Total number of days output
echo $diff -> format ( "Total days: %a." ) ;
?>

Try it yourself

grammar

 DateInterval :: format ( format ) ;

parameter	describe
format	Required. Specified format. The format parameter string can use the following characters: % - Literal % Y - Year, at least 2 numbers, with leading zeros (e.g. 03) y - year (for example 3) M - Month, with leading zeros (for example, 06) m - Month (for example, 6) D - Day, with leading zeros (for example, 09) d - day (e.g. 9) a - The total number of days between two days, derived from date_diff() H - hours, with leading zeros (for example, 08, 23) h - hours (e.g. 8, 23) I - points, with leading zeros (for example, 08, 23) i - points (e.g. 8, 23) S - seconds, with leading zeros (for example, 08, 23) s - seconds (e.g. 8, 23) R - when negative number is the symbol "-", when positive number is the symbol "+" r - the symbol "-" when negative number, and empty when positive number Comment: Each format string must be prefixed with the % symbol!

parameter

describe

format

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

% - Literal %
Y - Year, at least 2 numbers, with leading zeros (e.g. 03)
y - year (for example 3)
M - Month, with leading zeros (for example, 06)
m - Month (for example, 6)
D - Day, with leading zeros (for example, 09)
d - day (e.g. 9)
a - The total number of days between two days, derived from date_diff()
H - hours, with leading zeros (for example, 08, 23)
h - hours (e.g. 8, 23)
I - points, with leading zeros (for example, 08, 23)
i - points (e.g. 8, 23)
S - seconds, with leading zeros (for example, 08, 23)
s - seconds (e.g. 8, 23)
R - when negative number is the symbol "-", when positive number is the symbol "+"
r - the symbol "-" when negative number, and empty when positive number