PHP Date & Time

PHP date() function allows you to get the locale date and date-time from the server where your PHP scripts are running.

 

Example to print a date

<?php

echo date('Y-m-d');

?>

 

Output

 

Example to print date with time

<?php

echo date('Y-m-d H:i:s');

?>

 

Output

 

Definition

• The date() function allows you to get the locale date and date-time from the server where your PHP scripts are running.
• There are you can set the format of date and date in many ways.
• The data of date and time is stored in 64-bit numbers.

 

 

Requirements

No external libraries are needed to build this extension.

 

Installation

There is no installation needed to use these functions; they are part of the PHP core.

 

Runtime Configuration

The behavior of these functions is affected by settings in php.ini.

 

Date/Time Configuration Options

 

Resource Types

This extension has no resource types defined.

 

Predefined Constants

PHP provided some predefined date constants

• SUNFUNCS_RET_TIMESTAMP - (integer) Timestamp
• SUNFUNCS_RET_STRING - (integer) Hours: minutes (example: 08:02)
• SUNFUNCS_RET_DOUBLE - (integer) Hours as a floating-point number (example 8.75)

 

Date Functions

• checkdate — Validate a Gregorian date
• date_add — Alias of DateTime::add
• date_create_from_format — Alias of DateTime::createFromFormat
• date_create_immutable_from_format — Alias of DateTimeImmutable::createFromFormat
• date_create_immutable — Alias of DateTimeImmutable::__construct
• date_create — Alias of DateTime::__construct
• 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 DateTime::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_from_format — Get info about given date formatted according to the specified format
• date_parse — Returns associative array with detailed info about given date
• 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
• 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 — Alias of DateTimeZone::listAbbreviations
• timezone_identifiers_list — Alias of DateTimeZone::listIdentifiers
• timezone_location_get — Alias of DateTimeZone::getLocation
• timezone_name_from_abbr — Returns the timezone name from abbreviation
• 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