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PHP 8.4.0 RC2 available for testing
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PHP Manual
Function Reference
Date and Time Related Extensions
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Date and Time
Introduction
Installing/Configuring
Installation
Runtime Configuration
Predefined Constants
Examples
Date/Time Arithmetic
DateTime
— The DateTime class
DateTime::add
— Modifies a DateTime object, with added amount of days, months, years, hours, minutes and seconds
DateTime::__construct
— Returns new DateTime object
DateTime::createFromFormat
— Parses a time string according to a specified format
DateTime::createFromImmutable
— Returns new DateTime instance encapsulating the given DateTimeImmutable object
DateTime::createFromInterface
— Returns new DateTime object encapsulating the given DateTimeInterface object
DateTime::getLastErrors
— Alias of DateTimeImmutable::getLastErrors
DateTime::modify
— Alters the timestamp
DateTime::__set_state
— The __set_state handler
DateTime::setDate
— Sets the date
DateTime::setISODate
— Sets the ISO date
DateTime::setTime
— Sets the time
DateTime::setTimestamp
— Sets the date and time based on an Unix timestamp
DateTime::setTimezone
— Sets the time zone for the DateTime object
DateTime::sub
— Subtracts an amount of days, months, years, hours, minutes and seconds from a DateTime object
DateTimeImmutable
— The DateTimeImmutable class
DateTimeImmutable::add
— Returns a new object, with added amount of days, months, years, hours, minutes and seconds
DateTimeImmutable::__construct
— Returns new DateTimeImmutable object
DateTimeImmutable::createFromFormat
— Parses a time string according to a specified format
DateTimeImmutable::createFromInterface
— Returns new DateTimeImmutable object encapsulating the given DateTimeInterface object
DateTimeImmutable::createFromMutable
— Returns new DateTimeImmutable instance encapsulating the given DateTime object
DateTimeImmutable::getLastErrors
— Returns the warnings and errors
DateTimeImmutable::modify
— Creates a new object with modified timestamp
DateTimeImmutable::__set_state
— The __set_state handler
DateTimeImmutable::setDate
— Sets the date
DateTimeImmutable::setISODate
— Sets the ISO date
DateTimeImmutable::setTime
— Sets the time
DateTimeImmutable::setTimestamp
— Sets the date and time based on a Unix timestamp
DateTimeImmutable::setTimezone
— Sets the time zone
DateTimeImmutable::sub
— Subtracts an amount of days, months, years, hours, minutes and seconds
DateTimeInterface
— The DateTimeInterface interface
DateTimeInterface::diff
— Returns the difference between two DateTime objects
DateTimeInterface::format
— Returns date formatted according to given format
DateTimeInterface::getOffset
— Returns the timezone offset
DateTimeInterface::getTimestamp
— Gets the Unix timestamp
DateTimeInterface::getTimezone
— Return time zone relative to given DateTime
DateTime::__wakeup
— The __wakeup handler
DateTimeZone
— The DateTimeZone class
DateTimeZone::__construct
— Creates new DateTimeZone object
DateTimeZone::getLocation
— Returns location information for a timezone
DateTimeZone::getName
— Returns the name of the timezone
DateTimeZone::getOffset
— Returns the timezone offset from GMT
DateTimeZone::getTransitions
— Returns all transitions for the timezone
DateTimeZone::listAbbreviations
— Returns associative array containing dst, offset and the timezone name
DateTimeZone::listIdentifiers
— Returns a numerically indexed array containing all defined timezone identifiers
DateInterval
— The DateInterval class
DateInterval::__construct
— Creates a new DateInterval object
DateInterval::createFromDateString
— Sets up a DateInterval from the relative parts of the string
DateInterval::format
— Formats the interval
DatePeriod
— The DatePeriod class
DatePeriod::__construct
— Creates a new DatePeriod object
DatePeriod::createFromISO8601String
— Creates a new DatePeriod object from an ISO8601 string
DatePeriod::getDateInterval
— Gets the interval
DatePeriod::getEndDate
— Gets the end date
DatePeriod::getRecurrences
— Gets the number of recurrences
DatePeriod::getStartDate
— Gets the start date
Date/Time Functions
checkdate
— Validate a Gregorian date
date
— Format a Unix timestamp
date_add
— Alias of DateTime::add
date_create
— create a new DateTime object
date_create_from_format
— Alias of DateTime::createFromFormat
date_create_immutable
— create a new DateTimeImmutable object
date_create_immutable_from_format
— Alias of DateTimeImmutable::createFromFormat
date_date_set
— Alias of DateTime::setDate
date_default_timezone_get
— Gets the default timezone used by all date/time functions in a script
date_default_timezone_set
— Sets the default timezone used by all date/time functions in a script
date_diff
— Alias of DateTime::diff
date_format
— Alias of DateTime::format
date_get_last_errors
— Alias of DateTimeImmutable::getLastErrors
date_interval_create_from_date_string
— Alias of DateInterval::createFromDateString
date_interval_format
— Alias of DateInterval::format
date_isodate_set
— Alias of DateTime::setISODate
date_modify
— Alias of DateTime::modify
date_offset_get
— Alias of DateTime::getOffset
date_parse
— Returns associative array with detailed info about given date/time
date_parse_from_format
— Get info about given date formatted according to the specified format
date_sub
— Alias of DateTime::sub
date_sun_info
— Returns an array with information about sunset/sunrise and twilight begin/end
date_sunrise
— Returns time of sunrise for a given day and location
date_sunset
— Returns time of sunset for a given day and location
date_time_set
— Alias of DateTime::setTime
date_timestamp_get
— Alias of DateTime::getTimestamp
date_timestamp_set
— Alias of DateTime::setTimestamp
date_timezone_get
— Alias of DateTime::getTimezone
date_timezone_set
— Alias of DateTime::setTimezone
getdate
— Get date/time information
gettimeofday
— Get current time
gmdate
— Format a GMT/UTC date/time
gmmktime
— Get Unix timestamp for a GMT date
gmstrftime
— Format a GMT/UTC time/date according to locale settings
idate
— Format a local time/date part as integer
localtime
— Get the local time
microtime
— Return current Unix timestamp with microseconds
mktime
— Get Unix timestamp for a date
strftime
— Format a local time/date according to locale settings
strptime
— Parse a time/date generated with strftime
strtotime
— Parse about any English textual datetime description into a Unix timestamp
time
— Return current Unix timestamp
timezone_abbreviations_list
— Alias of DateTimeZone::listAbbreviations
timezone_identifiers_list
— Alias of DateTimeZone::listIdentifiers
timezone_location_get
— Alias of DateTimeZone::getLocation
timezone_name_from_abbr
— Returns a timezone name by guessing from abbreviation and UTC offset
timezone_name_get
— Alias of DateTimeZone::getName
timezone_offset_get
— Alias of DateTimeZone::getOffset
timezone_open
— Alias of DateTimeZone::__construct
timezone_transitions_get
— Alias of DateTimeZone::getTransitions
timezone_version_get
— Gets the version of the timezonedb
Date/Time Errors and Exceptions
Supported Date and Time Formats
List of Supported Timezones
Africa
America
Antarctica
Arctic
Asia
Atlantic
Australia
Europe
Indian
Pacific
Others
DateError
— The DateError class
DateObjectError
— The DateObjectError class
DateRangeError
— The DateRangeError class
DateException
— The DateException class
DateInvalidOperationException
— The DateInvalidOperationException class
DateInvalidTimeZoneException
— The DateInvalidTimeZoneException class
DateMalformedIntervalStringException
— The DateMalformedIntervalStringException class
DateMalformedPeriodStringException
— The DateMalformedPeriodStringException class
DateMalformedStringException
— The DateMalformedStringException class
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