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https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@89684 c90b9560-bf6c-de11-be94-00142212c4b1
290 lines
8.1 KiB
XML
290 lines
8.1 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.3 $ -->
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<!-- splitted from ./en/functions/datetime.xml, last change in rev 1.2 -->
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<refentry id="function.strftime">
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<refnamediv>
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<refname>strftime</refname>
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<refpurpose>
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Format a local time/date according to locale settings
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</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>string</type><methodname>strftime</methodname>
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<methodparam><type>string</type><parameter>format</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>
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timestamp
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</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns a string formatted according to the given format string
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using the given <parameter>timestamp</parameter> or the current
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local time if no timestamp is given. Month and weekday names and
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other language dependent strings respect the current locale set
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with <function>setlocale</function>.
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</para>
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<para>
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The following conversion specifiers are recognized in the format
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string:
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<itemizedlist>
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<listitem>
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<simpara>
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%a - abbreviated weekday name according to the current locale
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%A - full weekday name according to the current locale
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%b - abbreviated month name according to the current locale
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%B - full month name according to the current locale
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%c - preferred date and time representation for the current
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locale
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%C - century number (the year divided by 100 and truncated to
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an integer, range 00 to 99)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%d - day of the month as a decimal number (range 01 to 31)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%D - same as %m/%d/%y
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%e - day of the month as a decimal number, a single digit is
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preceded by a space (range ' 1' to '31')
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%g - like %G, but without the century.
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%G - The 4-digit year corresponding to the ISO week number (see %V).
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This has the same format and value as %Y, except that if the ISO week
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number belongs to the previous or next year, that year is used
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instead.
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%h - same as %b
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%H - hour as a decimal number using a 24-hour clock (range 00
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to 23)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%I - hour as a decimal number using a 12-hour clock (range 01
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to 12)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%j - day of the year as a decimal number (range 001 to 366)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%m - month as a decimal number (range 01 to 12)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%M - minute as a decimal number
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%n - newline character
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%p - either `am' or `pm' according to the given time value, or
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the corresponding strings for the current locale
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%r - time in a.m. and p.m. notation
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%R - time in 24 hour notation
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%S - second as a decimal number
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%t - tab character
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%T - current time, equal to %H:%M:%S
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%u - weekday as a decimal number [1,7], with 1 representing
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Monday
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</simpara>
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<warning>
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<simpara>
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Sun Solaris seems to start with Sunday as 1
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although ISO 9889:1999 (the current C standard) clearly
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specifies that it should be Monday.
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</simpara>
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</warning>
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</listitem>
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<listitem>
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<simpara>
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%U - week number of the current year as a decimal number,
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starting with the first Sunday as the first day of the first
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week
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%V - The ISO 8601:1988 week number of the current year as a
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decimal number, range 01 to 53, where week 1 is the first
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week that has at least 4 days in the current year, and with
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Monday as the first day of the week. (Use %G or %g for the year
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component that corresponds to the week number for the specified
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timestamp.)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%W - week number of the current year as a decimal number,
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starting with the first Monday as the first day of the first
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week
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%w - day of the week as a decimal, Sunday being 0
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%x - preferred date representation for the current locale
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without the time
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%X - preferred time representation for the current locale
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without the date
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%y - year as a decimal number without a century (range 00 to
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99)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%Y - year as a decimal number including the century
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%Z - time zone or name or abbreviation
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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%% - a literal `%' character
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</simpara>
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</listitem>
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</itemizedlist>
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<note>
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<para>
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Not all conversion specifiers may be supported by your C
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library, in which case they will not be supported by PHP's
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<function>strftime</function>. This means that e.g. %e, %T
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and %D (there might be more) will not work on Windows.
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</para>
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</note>
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<example>
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<title><function>strftime</function> example</title>
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<programlisting role="php">
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<![CDATA[
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setlocale (LC_TIME, "C");
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print (strftime ("%A in Finnish is "));
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setlocale (LC_TIME, "fi_FI");
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print (strftime ("%A, in French "));
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setlocale (LC_TIME, "fr_FR");
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print (strftime ("%A and in German "));
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setlocale (LC_TIME, "de_DE");
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print (strftime ("%A.\n"));
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]]>
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</programlisting>
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</example>
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This example works if you have the respective locales installed
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in your system.
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</para>
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<para>
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See also <function>setlocale</function> and
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<function>mktime</function> and the <ulink url="&spec.strftime;">
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Open Group specification of
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<function>strftime</function></ulink>.
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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