Date and Time Functions
- checkdate Checks the validity of the date
- date_add (not available)
- date_create_from_format (not available)
- date_create
- date_date_set (not available)
- date_default_timezone_get
- date_default_timezone_set
- date_diff (not available)
- date_format (not available)
- date_get_last_errors (not available)
- date_interval_create_from_date_string (not available)
- date_interval_format (not available)
- date_isodate_set (not available)
- date_modify (not available)
- date_offset_get
- date_parse_from_format (not available)
- date_parse
- date_sub (not available)
- date_sun_info
- date_sunrise
- date_sunset
- date_time_set (not available)
- date_timestamp_get (not available)
- date_timestamp_set (not available)
- date_timezone_get (not available)
- date_timezone_set (not available)
- date
- getdate
- gettimeofday
- gmdate
- gmmktime
- gmstrftime
- idate
- localtime
- microtime
- mktime
- strftime
- strptime (not available)
- strtotime
- time
- timezone_abbreviations_list
- timezone_identifiers_list
- timezone_location_get (not available)
- timezone_name_from_abbr
- timezone_name_get (not available)
- timezone_offset_get (not available)
- timezone_open (not available)
- timezone_transitions_get (not available)