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php-manual-en-4.3.0-2mdk.noarch.rpm

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><H1
><A
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>date</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN16451"
></A
><P
>    (PHP 3, PHP 4 )</P
>date&nbsp;--&nbsp;Format a local time/date</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN16454"
></A
><H2
>Description</H2
>string <B
CLASS="methodname"
>date</B
> ( string format [, int timestamp])<BR
></BR
><P
>&#13;     Returns a string formatted according to the given format string using the
     given integer <TT
CLASS="parameter"
><I
>timestamp</I
></TT
> or the current local time
     if no timestamp is given.  In otherwords, <TT
CLASS="parameter"
><I
>timestamp</I
></TT
>
     is optional and defaults to the value of <A
HREF="function.time.html"
><B
CLASS="function"
>time()</B
></A
>.
     <DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
       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.
      </P
><P
>&#13;       To generate a timestamp from a string representation of the date, you
       may be able to use <A
HREF="function.strtotime.html"
><B
CLASS="function"
>strtotime()</B
></A
>. Additionally, some
       databases have functions to convert their date formats into timestamps
       (such as MySQL's <A
HREF="http://www.mysql.com/doc/en/Date_and_time_functions.html"
TARGET="_top"
>UNIX_TIMESTAMP</A
> 
       function).
      </P
></BLOCKQUOTE
></DIV
>
    </P
><P
>&#13;     <DIV
CLASS="table"
><A
NAME="AEN16475"
></A
><P
><B
>Table 1. The following characters are recognized in the 
      <TT
CLASS="parameter"
><I
>format</I
></TT
> parameter string</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><THEAD
><TR
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="parameter"
><I
>format</I
></TT
> character</TH
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
>Description</TH
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
>Example returned values</TH
></TR
></THEAD
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>a</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Lowercase Ante meridiem and Post meridiem</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>am</TT
> or <TT
CLASS="literal"
>pm</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>A</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Uppercase Ante meridiem and Post meridiem</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>AM</TT
> or <TT
CLASS="literal"
>PM</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>B</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Swatch Internet time</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>000</TT
> through <TT
CLASS="literal"
>999</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>d</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Day of the month, 2 digits with leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>01</TT
> to <TT
CLASS="literal"
>31</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>D</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>A textual representation of a week, three letters</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>Mon</TT
> through <TT
CLASS="literal"
>Sun</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>F</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>A full textual representation of a month, such as January or March</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>January</TT
> through <TT
CLASS="literal"
>December</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>g</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>12-hour format of an hour without leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>1</TT
> through <TT
CLASS="literal"
>12</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>G</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>24-hour format of an hour without leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>0</TT
> through <TT
CLASS="literal"
>23</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>h</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>12-hour format of an hour with leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>01</TT
> through <TT
CLASS="literal"
>12</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>H</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>24-hour format of an hour with leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>00</TT
> through <TT
CLASS="literal"
>23</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>i</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Minutes with leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>00</TT
> to <TT
CLASS="literal"
>59</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>I</TT
> (capital i)</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Whether or not the date is in daylights savings time</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>1</TT
> if Daylight Savings Time, <TT
CLASS="literal"
>0</TT
> otherwise.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>j</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Day of the month without leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>1</TT
> to <TT
CLASS="literal"
>31</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>l</TT
> (lowercase 'L')</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>A full textual representation of the day of the week</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>Sunday</TT
> through <TT
CLASS="literal"
>Saturday</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>L</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Whether it's a leap year</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>1</TT
> if it is a leap year, <TT
CLASS="literal"
>0</TT
> otherwise.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>m</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Numeric representation of a month, with leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>01</TT
> through <TT
CLASS="literal"
>12</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>M</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>A short textual representation of a month, three letters</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>Jan</TT
> through <TT
CLASS="literal"
>Dec</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>n</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Numeric representation of a month, without leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>1</TT
> through <TT
CLASS="literal"
>12</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>O</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Difference to Greenwich time (GMT) in hours</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Example: <TT
CLASS="literal"
>+0200</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>r</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>RFC 822 formatted date</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Example: <TT
CLASS="literal"
>Thu, 21 Dec 2000 16:01:07 +0200</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>s</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Seconds, with leading zeros</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>00</TT
> through <TT
CLASS="literal"
>59</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>S</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>English ordinal suffix for the day of the month, 2 characters</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>&#13;           <TT
CLASS="literal"
>st</TT
>, <TT
CLASS="literal"
>nd</TT
>, <TT
CLASS="literal"
>rd</TT
> or 
           <TT
CLASS="literal"
>th</TT
>.  Works well with <TT
CLASS="literal"
>j</TT
>
         </TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>t</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Number of days in the given month</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>28</TT
> through <TT
CLASS="literal"
>31</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>T</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Timezone setting of this machine</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Examples: <TT
CLASS="literal"
>EST</TT
>, <TT
CLASS="literal"
>MDT</TT
> ...</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>U</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>See also <A
HREF="function.time.html"
><B
CLASS="function"
>time()</B
></A
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>w</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Numeric representation of the day of the week</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>0</TT
> (for Sunday) through <TT
CLASS="literal"
>6</TT
> (for Saturday)</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>W</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0)</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Example: <TT
CLASS="literal"
>42</TT
> (the 42nd week in the year)</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>Y</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>A full numeric representation of a year, 4 digits</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Examples: <TT
CLASS="literal"
>1999</TT
> or <TT
CLASS="literal"
>2003</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>y</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>A two digit representation of a year</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Examples: <TT
CLASS="literal"
>99</TT
> or <TT
CLASS="literal"
>03</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>z</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>The day of the year</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>0</TT
> through <TT
CLASS="literal"
>366</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>Z</TT
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Timezone offset in seconds. The offset for timezones west of UTC is always 
         negative, and for those east of UTC is always positive.</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><TT
CLASS="literal"
>-43200</TT
> through <TT
CLASS="literal"
>43200</TT
></TD
></TR
></TBODY
></TABLE
></DIV
>
    </P
><P
>&#13;     Unrecognized characters in the format string will be printed
     as-is.  The <TT
CLASS="literal"
>Z</TT
> format will always return 
     <TT
CLASS="literal"
>0</TT
> when using <A
HREF="function.gmdate.html"
><B
CLASS="function"
>gmdate()</B
></A
>.
    </P
><P
>&#13;     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN16707"
></A
><P
><B
>Example 1. <B
CLASS="function"
>date()</B
> examples</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="php"
>&#60;?php
// Prints something like: Wednesday
echo date("l");

// Prints something like: Wednesday 15th of January 2003 05:51:38 AM
echo date ("l dS of F Y h:i:s A");

// Prints: July 1, 2000 is on a Saturday
echo "July 1, 2000 is on a " . date ("l", mktime(0,0,0,7,1,2000));
?&#62;</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
    </P
><P
>&#13;     You can prevent a recognized character in the format string from being
     expanded by escaping it with a preceding backslash. If the character with
     a backslash is already a special sequence, you may need to also escape
     the backslash.
     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN16712"
></A
><P
><B
>Example 2. Escaping characters in <B
CLASS="function"
>date()</B
></B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="php"
>&#60;?php
// prints something like: Wednesday the 15th
echo date("l \\t\h\e jS");
?&#62;</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
    </P
><P
>&#13;     It is possible to use <B
CLASS="function"
>date()</B
> and
     <A
HREF="function.mktime.html"
><B
CLASS="function"
>mktime()</B
></A
> together to find dates in the future
     or the past.
     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN16719"
></A
><P
><B
>Example 3. 
       <B
CLASS="function"
>date()</B
> and <A
HREF="function.mktime.html"
><B
CLASS="function"
>mktime()</B
></A
>
       example
      </B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="php"
>&#60;?php
$tomorrow  = mktime (0,0,0,date("m")  ,date("d")+1,date("Y"));
$lastmonth = mktime (0,0,0,date("m")-1,date("d"),  date("Y"));
$nextyear  = mktime (0,0,0,date("m"),  date("d"),  date("Y")+1);
?&#62;</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
     <DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
       This can be more reliable than simply adding or subtracting the number
       of seconds in a day or month to a timestamp because of daylight savings
       time.
      </P
></BLOCKQUOTE
></DIV
>
    </P
><P
>&#13;     Some examples of <B
CLASS="function"
>date()</B
> formatting. Note that
     you should escape any other characters, as any which currently
     have a special meaning will produce undesirable results, and
     other characters may be assigned meaning in future PHP versions.
     When escaping, be sure to use single quotes to prevent characters
     like \n from becoming newlines.
     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN16728"
></A
><P
><B
>Example 4. 
       <B
CLASS="function"
>date()</B
> Formatting
      </B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="php"
>&#60;?php
// Assuming today is: March 10th, 2001, 5:16:18 pm

$today = date("F j, Y, g:i a");                 // March 10, 2001, 5:16 pm
$today = date("m.d.y");                         // 03.10.01
$today = date("j, n, Y");                       // 10, 3, 2001
$today = date("Ymd");                           // 20010310
$today = date('h-i-s, j-m-y, it is w Day z ');  // 05-16-17, 10-03-01, 1631 1618 6 Fripm01
$today = date('\i\t \i\s \t\h\e jS \d\a\y.');   // It is the 10th day.
$today = date("D M j G:i:s T Y");               // Sat Mar 10 15:16:08 MST 2001
$today = date('H:m:s \m \i\s\ \m\o\n\t\h');     // 17:03:17 m is month
$today = date("H:i:s");                         // 17:16:17
?&#62;</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
    </P
><P
>&#13;     To format dates in other languages, you should use the
     <A
HREF="function.setlocale.html"
><B
CLASS="function"
>setlocale()</B
></A
> and <A
HREF="function.strftime.html"
><B
CLASS="function"
>strftime()</B
></A
>
     functions.
    </P
><P
>&#13;     See also <A
HREF="function.getlastmod.html"
><B
CLASS="function"
>getlastmod()</B
></A
>, <A
HREF="function.gmdate.html"
><B
CLASS="function"
>gmdate()</B
></A
>,
     <A
HREF="function.mktime.html"
><B
CLASS="function"
>mktime()</B
></A
>, <A
HREF="function.strftime.html"
><B
CLASS="function"
>strftime()</B
></A
>
     and <A
HREF="function.time.html"
><B
CLASS="function"
>time()</B
></A
>.
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