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(PHP 3, PHP 4, PHP 5)date -- Format a local time/date
Descriptionstring date ( string format [, int timestamp] )
Returns a string formatted according to the given format string using the given integer timestamp or the current local time if no timestamp is given. In other words, timestamp is optional and defaults to the value of time() .
Note: The valid range of a timestamp is typically from Fri, 13 Dec 1901 20:45:54 GMT to Tue, 19 Jan 2038 03:14:07 GMT. (These are the dates that correspond to the minimum and maximum values for a 32-bit signed integer). On Windows this range is limited from 01-01-1970 to 19-01-2038.
Note: To generate a timestamp from a string representation of the date, you may be able to use strtotime() . Additionally, some databases have functions to convert their date formats into timestamps (such as MySQL's UNIX_TIMESTAMP function).
Table 1. The following characters are recognized in the format parameter stringformat character Description Example returned values Day --- --- d Day of the month, 2 digits with leading zeros 01 to 31 D A textual representation of a day, three letters Mon through Sun j Day of the month without leading zeros 1 to 31 l (lowercase 'L') A full textual representation of the day of the week Sunday through Saturday S English ordinal suffix for the day of the month, 2 characters st , nd , rd or th . Works well with j w Numeric representation of the day of the week 0 (for Sunday) through 6 (for Saturday) z The day of the year (starting from 0) 0 through 365 Week --- --- W ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0) Example: 42 (the 42nd week in the year) Month --- --- F A full textual representation of a month, such as January or March January through December m Numeric representation of a month, with leading zeros 01 through 12 M A short textual representation of a month, three letters Jan through Dec n Numeric representation of a month, without leading zeros 1 through 12 t Number of days in the given month 28 through 31 Year --- --- L Whether it's a leap year 1 if it is a leap year, 0 otherwise. Y A full numeric representation of a year, 4 digits Examples: 1999 or 2003 y A two digit representation of a year Examples: 99 or 03 Time --- --- a Lowercase Ante meridiem and Post meridiem am or pm A Uppercase Ante meridiem and Post meridiem AM or PM B Swatch Internet time 000 through 999 g 12-hour format of an hour without leading zeros 1 through 12 G 24-hour format of an hour without leading zeros 0 through 23 h 12-hour format of an hour with leading zeros 01 through 12 H 24-hour format of an hour with leading zeros 00 through 23 i Minutes with leading zeros 00 to 59 s Seconds, with leading zeros 00 through 59 Timezone --- --- I (capital i) Whether or not the date is in daylights savings time 1 if Daylight Savings Time, 0 otherwise. O Difference to Greenwich time (GMT) in hours Example: +0200 T Timezone setting of this machine Examples: EST , MDT ... Z Timezone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive. -43200 through 43200 Full Date/Time --- --- c ISO 8601 date (added in PHP 5) 2004-02-12T15:19:21+00:00 r RFC 2822 formatted date Example: Thu, 21 Dec 2000 16:01:07 +0200 U Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)