DateTimeHelper

Type

Class

Namespace

craft\helpers

Inherits

craft\helpers\DateTimeHelper

Since

3.0.0

Class DateTimeHelper

View source (opens new window)

Public Methods

Method	Description
currentTimeStamp()	Returns the current Unix time stamp (factoring in whether time is paused).
currentUTCDateTime()	Returns a DateTime (opens new window) object set to the current time (factoring in whether time is paused), in the UTC time zone.
firstWeekDay()	Returns the index of the first day of the week (0-6), according to the user’s preferences.
humanDuration()	Returns a human-friendly duration string for the given date interval or number of seconds.
humanDurationFromInterval()	Returns the interval in a human-friendly string.
intervalToSeconds()	Returns the number of seconds that a given DateInterval object spans.
isInThePast()	Returns true if the specified date was in the past, otherwise false.
isIso8601()	Determines whether the given value is an ISO-8601-formatted date, as formatted by either DateTime::ATOM (opens new window) or DateTime::ISO8601 (opens new window) (with or without the colon between the hours and minutes of the timezone).
isThisMonth()	Returns true if given date is in this month
isThisWeek()	Returns true if given date is in this week
isThisYear()	Returns true if given date is in this year
isToday()	Returns true if given date is today.
isValidIntervalString()	Returns true if interval string is a valid interval.
isValidTimeStamp()
isWithinLast()	Returns true if specified datetime was within the interval specified, else false.
isYesterday()	Returns true if given date was yesterday
lastMonth()	Returns a DateTime (opens new window) object set to midnight of the first day of last month (factoring in whether time is paused).
lastWeek()	Returns a DateTime (opens new window) object set to midnight of the first day of last week, according to the user’s preferences (factoring in whether time is paused).
lastYear()	Returns a DateTime (opens new window) object set to midnight of the first day of last year (factoring in whether time is paused).
nextMonth()	Returns a DateTime (opens new window) object set to midnight of the first day of next month (factoring in whether time is paused).
nextWeek()	Returns a DateTime (opens new window) object set to midnight of the first day of next week, according to the user’s preferences (factoring in whether time is paused).
nextYear()	Returns a DateTime (opens new window) object set to midnight of the first day of next year (factoring in whether time is paused).
normalizeTimeZone()	Normalizes a timezone string to a PHP timezone identifier.
now()	Returns a DateTime (opens new window) object set to the current time (factoring in whether time is paused).
pause()	Pauses time for any subsequent calls to other DateTimeHelper methods, until resume() is called.
resume()	Resumes time, if it was paused via pause().
secondsToHumanTimeDuration()
secondsToInterval()	Creates a DateInterval object based on a given number of seconds.
thisMonth()	Returns a DateTime (opens new window) object set to midnight of the first day of this month (factoring in whether time is paused).
thisWeek()	Returns a DateTime (opens new window) object set to midnight of the first day of this week, according to the user’s preferences (factoring in whether time is paused).
thisYear()	Returns a DateTime (opens new window) object set to midnight of the first day of this year (factoring in whether time is paused).
timeZoneAbbreviation()	Returns the timezone abbreviation for a given timezone name.
timeZoneOffset()	Returns a given timezone’s offset from UTC (e.g. '+10:00' or '-06:00').
toDateInterval()	Converts a value into a DateInterval object.
toDateTime()	Converts a value into a DateTime object.
toIso8601()	Converts a date to an ISO-8601 string.
today()	Returns a DateTime (opens new window) object set to midnight of the current day (factoring in whether time is paused).
tomorrow()	Returns a DateTime (opens new window) object set to midnight of the following day (factoring in whether time is paused).
yesterday()	Returns a DateTime (opens new window) object set to midnight of the previous day (factoring in whether time is paused).

currentTimeStamp()

Returns the current Unix time stamp (factoring in whether time is paused).

View source (opens new window)

Returns

integer (opens new window)

currentUTCDateTime()

Returns a DateTime (opens new window) object set to the current time (factoring in whether time is paused), in the UTC time zone.

View source (opens new window)

Returns

DateTime (opens new window)

firstWeekDay()

Since

4.3.0

Returns the index of the first day of the week (0-6), according to the user’s preferences.

View source (opens new window)

Returns

integer (opens new window)

humanDuration()

Since

4.2.0

Returns a human-friendly duration string for the given date interval or number of seconds.

View source (opens new window)

Arguments

• $dateInterval (mixed) – The value, represented as either a DateInterval (opens new window) object, an interval duration string, or a number of seconds.
• $showSeconds (boolean (opens new window), null (opens new window)) – Whether the duration string should include the number of seconds

Returns

string (opens new window)

humanDurationFromInterval()

DEPRECATED

Deprecated in 4.2.0. humanDuration() should be used instead.

Returns the interval in a human-friendly string.

View source (opens new window)

Arguments

• $dateInterval (DateInterval (opens new window))
• $showSeconds (boolean (opens new window))

Returns

string (opens new window)

intervalToSeconds()

Returns the number of seconds that a given DateInterval object spans.

View source (opens new window)

Arguments

• $dateInterval (DateInterval (opens new window))

Returns

integer (opens new window)

isInThePast()

Returns true if the specified date was in the past, otherwise false.

View source (opens new window)

Arguments

• $date (mixed) – The timestamp to check

Returns

boolean (opens new window) – True if the specified date was in the past, false otherwise.

isIso8601()

Determines whether the given value is an ISO-8601-formatted date, as formatted by either DateTime::ATOM (opens new window) or DateTime::ISO8601 (opens new window) (with or without the colon between the hours and minutes of the timezone).

View source (opens new window)

Arguments

• $value (mixed) – The timestamp to check

Returns

boolean (opens new window) – Whether the value is an ISO-8601 date string

isThisMonth()

Returns true if given date is in this month

View source (opens new window)

Arguments

• $date (mixed) – The timestamp to check

Returns

boolean (opens new window) – True if date is in this month, false otherwise.

isThisWeek()

Returns true if given date is in this week

View source (opens new window)

Arguments

• $date (mixed) – The timestamp to check

Returns

boolean (opens new window) – True if date is in this week, false otherwise.

isThisYear()

Returns true if given date is in this year

View source (opens new window)

Arguments

• $date (mixed) – The timestamp to check

Returns

boolean (opens new window) – True if date is in this year, false otherwise.

isToday()

Returns true if given date is today.

View source (opens new window)

Arguments

• $date (mixed) – The timestamp to check

Returns

boolean (opens new window) – True if date is today, false otherwise.

isValidIntervalString()

Returns true if interval string is a valid interval.

View source (opens new window)

Arguments

• $intervalString (string (opens new window))

Returns

boolean (opens new window)

isValidTimeStamp()

View source (opens new window)

Arguments

• $timestamp (mixed)

Returns

boolean (opens new window)

isWithinLast()

Returns true if specified datetime was within the interval specified, else false.

View source (opens new window)

Arguments

• $date (mixed) – The timestamp to check
• $timeInterval (mixed) – The numeric value with space then time type. Example of valid types: '6 hours', '2 days', '1 minute'.

Returns

boolean (opens new window) – Whether the $dateString was within the specified $timeInterval.

Throws

• yii\base\InvalidArgumentException (opens new window)

isYesterday()

Returns true if given date was yesterday

View source (opens new window)

Arguments

• $date (mixed) – The timestamp to check

Returns

boolean (opens new window) – True if date was yesterday, false otherwise.

lastMonth()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of last month (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

lastWeek()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of last week, according to the user’s preferences (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

lastYear()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of last year (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

nextMonth()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of next month (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

nextWeek()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of next week, according to the user’s preferences (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

nextYear()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of next year (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

normalizeTimeZone()

Normalizes a timezone string to a PHP timezone identifier.

Supports the following formats:

• Time zone abbreviation (EST, MDT)
• Difference to Greenwich time (GMT) in hours, with/without a colon between the hours and minutes (+0200, -0200, +02:00, -02:00)
• A PHP timezone identifier (UTC, GMT, Atlantic/Azores)

View source (opens new window)

Arguments

• $timeZone (string (opens new window)) – The timezone to be normalized

Returns

string (opens new window), false (opens new window) – The PHP timezone identifier, or false if it could not be determined

now()

Since

4.1.0

Returns a DateTime (opens new window) object set to the current time (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

pause()

Since

4.1.0

Pauses time for any subsequent calls to other DateTimeHelper methods, until resume() is called.

If this method is called multiple times, resume() will need to be called an equal number of times before time is actually resumed.

View source (opens new window)

Arguments

• $now (DateTime (opens new window), null (opens new window)) – A DateTime object that should represent the current time for the duration of the pause

resume()

Since

4.1.0

Resumes time, if it was paused via pause().

View source (opens new window)

secondsToHumanTimeDuration()

DEPRECATED

Deprecated in 4.2.0. humanDuration() should be used instead.

View source (opens new window)

Arguments

• $seconds (integer (opens new window)) – The number of seconds
• $showSeconds (boolean (opens new window)) – Whether to output seconds or not

Returns

string (opens new window)

secondsToInterval()

DEPRECATED

Deprecated in 4.2.1. toDateInterval() should be used instead.

Creates a DateInterval object based on a given number of seconds.

View source (opens new window)

Arguments

• $seconds (integer (opens new window))

Returns

DateInterval (opens new window)

thisMonth()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of this month (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

thisWeek()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of this week, according to the user’s preferences (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

thisYear()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the first day of this year (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

timeZoneAbbreviation()

DEPRECATED

Deprecated in 4.3.7

Returns the timezone abbreviation for a given timezone name.

View source (opens new window)

Arguments

• $timeZone (string (opens new window))

Returns

string (opens new window)

timeZoneOffset()

DEPRECATED

Deprecated in 4.3.7

Returns a given timezone’s offset from UTC (e.g. '+10:00' or '-06:00').

View source (opens new window)

Arguments

• $timeZone (string (opens new window))

Returns

string (opens new window)

toDateInterval()

Since

4.2.1

Converts a value into a DateInterval object.

View source (opens new window)

Arguments

• $value (mixed) – The value, represented as either a DateInterval (opens new window) object, an interval duration string, or a number of seconds.

Returns

DateInterval (opens new window), false (opens new window)

Throws

• yii\base\InvalidArgumentException (opens new window)

toDateTime()

Converts a value into a DateTime object.

$value can be in the following formats:

• All W3C date and time formats (http://www.w3.org/TR/NOTE-datetime)
• MySQL DATE and DATETIME formats (http://dev.mysql.com/doc/refman/5.1/en/datetime.html)
• Relaxed versions of W3C and MySQL formats (single-digit months, days, and hours)
• Unix timestamps
• now/today/tomorrow/yesterday (midnight of the specified relative date)
• An array with at least one of these keys defined: datetime, date, or time. Supported keys include:
  • date – a date string in YYYY-MM-DD or YYYY-MM-DD HH:MM:SS.MU formats or the current locale’s short date format
  • time – a time string in HH:MM or HH:MM:SS (24-hour) format or the current locale’s short time format
  • datetime – A timestamp in any of the non-array formats supported by this method
  • timezone – A valid PHP timezone (opens new window). If set, this will override the assumed timezone per $assumeSystemTimeZone.

View source (opens new window)

Arguments

• $value (string (opens new window), integer (opens new window), array (opens new window), DateTime (opens new window), null (opens new window)) – The value that should be converted to a DateTime object.
• $assumeSystemTimeZone (boolean (opens new window)) – Whether it should be assumed that the value was set in the system timezone if the timezone was not specified. If this is false, UTC will be assumed.
• $setToSystemTimeZone (boolean (opens new window)) – Whether to set the resulting DateTime object to the system timezone.

Returns

DateTime (opens new window), false (opens new window) – The DateTime object, or false if $object could not be converted to one

Throws

• Exception (opens new window)

toIso8601()

Converts a date to an ISO-8601 string.

View source (opens new window)

Arguments

• $date (mixed) – The date, in any format that toDateTime() supports.

Returns

string (opens new window), false (opens new window) – The date formatted as an ISO-8601 string, or false if $date was not a valid date

today()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the current day (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

tomorrow()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the following day (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

yesterday()

Since

4.3.0

Returns a DateTime (opens new window) object set to midnight of the previous day (factoring in whether time is paused).

View source (opens new window)

Arguments

• $timeZone (DateTimeZone (opens new window), null (opens new window)) – The time zone to return the DateTime object in. (Defaults to the system time zone.)

Returns

DateTime (opens new window)

Constants

Constant	Description
SECONDS_DAY
SECONDS_HOUR
SECONDS_MINUTE
SECONDS_MONTH
SECONDS_YEAR