Page 517 - Beginning PHP 5.3

Chapter 16: PHP and the Outside World

Character Description
o (lowercase “ o ” The ISO - 8601 year number. This is usually the same value as Y; however
)
if the ISO - 8601 week number belongs to the previous or the next year,
that year is used instead. For example, the ISO - 8601 year number for
January 1, 2000 is 1999

L 1 if the date is in a leap year, 0 otherwise

date() also allows the following time - formatting characters:

Character Description

g The hour in 12 - hour format, without leading zeros (1 – 12)
h The hour in 12 - hour format, with leading zeros (01 – 12)

G The hour in 24 - hour format, without leading zeros (0 – 23)
H The hour in 24 - hour format, with leading zeros (00 – 23)
i Minutes, with leading zeros (00 – 59)

s Seconds, with leading zeros (00 – 59)
u Microseconds (will always be zero because, at the time of writing, date()
can only accept an integer timestamp)

B Swatch Internet Time — a time - zone - free, decimal time measure. See
http://en.wikipedia.org/wiki/Swatch_Internet_Time for details
a “ am ” or “ pm ”, depending on the value of the hour

A “ AM ” or “ PM ”, depending on the value of the hour
e The full time zone identifier of the currently set time zone (such as “ UTC ”
or “ America/Indiana/Indianapolis ” )
T The time zone abbreviation for the currently set time zone (such as “ UTC ”
or “ EST ” ). Abbreviations are best avoided because the same abbreviation
is often used for multiple time zones throughout the world
O (capital “ O ” The time zone offset from GMT, in the format hhmm . For example, the
)
“ America/Indiana/Indianapolis ” time zone is 5 hours behind GMT, so its
offset is – 0500
P Same as O , but with a colon between the hours and minutes (for example,
- 05:00 )

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