Date/Time Functions

Table of Contents

• checkdate — Validate a Gregorian date
• date_add — Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object
• date_create — Returns new DateTime object
• date_date_set — Sets the date
• 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_format — Returns date formatted according to given format
• date_isodate_set — Sets the ISO date
• date_modify — Alters the timestamp
• date_offset_get — Returns the daylight saving time offset
• date_parse — Returns associative array with detailed info about given date
• date_sub — Subtracts an amount of days, months, years, hours, minutes and seconds from a DateTime object
• 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 — Sets the time
• date_timezone_get — Return time zone relative to given DateTime
• date_timezone_set — Sets the time zone for the DateTime object
• date — Format a local time/date
• 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 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 — Returns associative array containing dst, offset and the timezone name
• timezone_identifiers_list — Returns numerically index array with all timezone identifiers
• timezone_name_from_abbr — Returns the timezone name from abbrevation
• timezone_name_get — Returns the name of the timezone
• timezone_offset_get — Returns the timezone offset from GMT
• timezone_open — Returns new DateTimeZone object
• timezone_transitions_get — Returns all transitions for the timezone