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PHP Manual :: The DateInterval class



DateTimeZone::listIdentifiers || DateInterval::__construct || Date/Time || PHP Manual

(PHP 5 >= 5.3.0, PHP 7)

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 DateTime's constructor supports.

DateInterval {
/* Properties */
public integer $y ;
public integer $m ;
public integer $d ;
public integer $h ;
public integer $i ;
public integer $s ;
public integer $invert ;
public mixed $days ;
/* Methods */
public __construct ( string $interval_spec )
public static DateInterval createFromDateString ( string $time )
public string format ( string $format )
}
y

Number of years.

m

Number of months.

d

Number of days.

h

Number of hours.

i

Number of minutes.

s

Number of seconds.

invert

Is 1 if the interval represents a negative time period and 0 otherwise. 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.



DateTimeZone::listIdentifiers || DateInterval::__construct || Date/Time || PHP Manual
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