Date and Time

Table of Contents

• 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
  • Time Formats
  • Date Formats
  • Compound Formats
  • Relative 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