Date/Time Functions

Table of Contents

• 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