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libxml_set_external_entity_loader() libxml_set_streams_context() libxml_use_internal_errors() PHP Mail ezmlm_hash() mail() PHP Math abs() acos() acosh() asin() asinh() atan() atan2() atanh() base_convert() bindec() ceil() cos() cosh() decbin() dechex() decoct() deg2rad() exp() expm1() floor() fmod() getrandmax() hexdec() hypot() intdiv() is_finite() is_infinite() is_nan() lcg_value() log() log10() log1p() max() min() mt_getrandmax() mt_rand() mt_srand() octdec() pow() rad2deg() rand() round() sin() sinh() sqrt() srand() tan() tanh() PHP Misc connection_aborted() connection_status() connection_timeout() constant() define() defined() die() eval() exit() get_browser() __halt_compiler() highlight_file() highlight_string() hrtime() ignore_user_abort() pack() php_strip_whitespace() show_source() sleep() sys_getloadavg() time_nanosleep() time_sleep_until() uniqid() unpack() usleep() PHP MySQLi affected_rows autocommit change_user character_set_name close commit connect connect_errno 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Definition and Usage

The date_format() function returns a date formatted according to the specified format.

Note: This function does not use locales (all output is in English).

Tip: Also look at the date() function, which formats a local date/time.

Syntax

date_format( object, format)

Parameter Values

Parameter Description object Required. Specifies a DateTime object returned by date_create() format Required. Specifies the format for the date. The following characters can be used:
  • d - The day of the month (from 01 to 31)
  • D - A textual representation of a day (three letters)
  • j - The day of the month without leading zeros (1 to 31)
  • l (lowercase 'L') - A full textual representation of a day
  • N - The ISO-8601 numeric representation of a day (1 for Monday, 7 for Sunday)
  • S - The English ordinal suffix for the day of the month (2 characters st, nd, rd or th. Works well with j)
  • w - A numeric representation of the day (0 for Sunday, 6 for Saturday)
  • z - The day of the year (from 0 through 365)
  • W - The ISO-8601 week number of year (weeks starting on Monday)
  • F - A full textual representation of a month (January through December)
  • m - A numeric representation of a month (from 01 to 12)
  • M - A short textual representation of a month (three letters)
  • n - A numeric representation of a month, without leading zeros (1 to 12)
  • t - The number of days in the given month
  • L - Whether it's a leap year (1 if it is a leap year, 0 otherwise)
  • o - The ISO-8601 year number
  • Y - A four digit representation of a year
  • y - A two digit representation of a year
  • a - Lowercase am or pm
  • A - Uppercase AM or PM
  • B - Swatch Internet time (000 to 999)
  • g - 12-hour format of an hour (1 to 12)
  • G - 24-hour format of an hour (0 to 23)
  • h - 12-hour format of an hour (01 to 12)
  • H - 24-hour format of an hour (00 to 23)
  • i - Minutes with leading zeros (00 to 59)
  • s - Seconds, with leading zeros (00 to 59)
  • u - Microseconds (added in PHP 5.2.2)
  • e - The timezone identifier (Examples: UTC, GMT, Atlantic/Azores)
  • I (capital i) - Whether the date is in daylights savings time (1 if Daylight Savings Time, 0 otherwise)
  • O - Difference to Greenwich time (GMT) in hours (Example: +0100)
  • P - Difference to Greenwich time (GMT) in hours:minutes (added in PHP 5.1.3)
  • T - Timezone abbreviations (Examples: EST, MDT)
  • Z - Timezone offset in seconds. The offset for timezones west of UTC is negative (-43200 to 50400)
  • c - The ISO-8601 date (e.g. 2013-05-05T16:34:42+00:00)
  • r - The RFC 2822 formatted date (e.g. Fri, 12 Apr 2013 12:01:05 +0200)
  • U - The seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)
  • and the following predefined constants can also be used (available since PHP 5.1.0):

  • DATE_ATOM - Atom (example: 2013-04-12T15:52:01+00:00)
  • DATE_COOKIE - HTTP Cookies (example: Friday, 12-Apr-13 15:52:01 UTC)
  • DATE_ISO8601 - ISO-8601 (example: 2013-04-12T15:52:01+0000)
  • DATE_RFC822 - RFC 822 (example: Fri, 12 Apr 13 15:52:01 +0000)
  • DATE_RFC850 - RFC 850 (example: Friday, 12-Apr-13 15:52:01 UTC)
  • DATE_RFC1036 - RFC 1036 (example: Fri, 12 Apr 13 15:52:01 +0000)
  • DATE_RFC1123 - RFC 1123 (example: Fri, 12 Apr 2013 15:52:01 +0000)
  • DATE_RFC2822 - RFC 2822 (Fri, 12 Apr 2013 15:52:01 +0000)
  • DATE_RFC3339 - Same as DATE_ATOM (since PHP 5.1.3)
  • DATE_RSS - RSS (Fri, 12 Aug 2013 15:52:01 +0000)
  • DATE_W3C - World Wide Web Consortium (example: 2013-04-12T15:52:01+00:00)
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