function.date.html

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            is used instead. (added in PHP 5.1.0)</td>
           <td colspan="1" rowspan="1" align="left">Examples: <i>1999</i> or <i>2003</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>Y</i></td>
           <td colspan="1" rowspan="1" align="left">A full numeric representation of a year, 4 digits</td>
           <td colspan="1" rowspan="1" align="left">Examples: <i>1999</i> or <i>2003</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>y</i></td>
           <td colspan="1" rowspan="1" align="left">A two digit representation of a year</td>
           <td colspan="1" rowspan="1" align="left">Examples: <i>99</i> or <i>03</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="center"><em class="emphasis">Time</em></td>
           <td colspan="1" rowspan="1" align="left">---</td>
           <td colspan="1" rowspan="1" align="left">---</td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>a</i></td>
           <td colspan="1" rowspan="1" align="left">Lowercase Ante meridiem and Post meridiem</td>
           <td colspan="1" rowspan="1" align="left"><i>am</i> or <i>pm</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>A</i></td>
           <td colspan="1" rowspan="1" align="left">Uppercase Ante meridiem and Post meridiem</td>
           <td colspan="1" rowspan="1" align="left"><i>AM</i> or <i>PM</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>B</i></td>
           <td colspan="1" rowspan="1" align="left">Swatch Internet time</td>
           <td colspan="1" rowspan="1" align="left"><i>000</i> through <i>999</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>g</i></td>
           <td colspan="1" rowspan="1" align="left">12-hour format of an hour without leading zeros</td>
           <td colspan="1" rowspan="1" align="left"><i>1</i> through <i>12</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>G</i></td>
           <td colspan="1" rowspan="1" align="left">24-hour format of an hour without leading zeros</td>
           <td colspan="1" rowspan="1" align="left"><i>0</i> through <i>23</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>h</i></td>
           <td colspan="1" rowspan="1" align="left">12-hour format of an hour with leading zeros</td>
           <td colspan="1" rowspan="1" align="left"><i>01</i> through <i>12</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>H</i></td>
           <td colspan="1" rowspan="1" align="left">24-hour format of an hour with leading zeros</td>
           <td colspan="1" rowspan="1" align="left"><i>00</i> through <i>23</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>i</i></td>
           <td colspan="1" rowspan="1" align="left">Minutes with leading zeros</td>
           <td colspan="1" rowspan="1" align="left"><i>00</i> to <i>59</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>s</i></td>
           <td colspan="1" rowspan="1" align="left">Seconds, with leading zeros</td>
           <td colspan="1" rowspan="1" align="left"><i>00</i> through <i>59</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>u</i></td>
           <td colspan="1" rowspan="1" align="left">Microseconds (added in PHP 5.2.2)</td>
           <td colspan="1" rowspan="1" align="left">Example: <i>54321</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="center"><em class="emphasis">Timezone</em></td>
           <td colspan="1" rowspan="1" align="left">---</td>
           <td colspan="1" rowspan="1" align="left">---</td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>e</i></td>
           <td colspan="1" rowspan="1" align="left">Timezone identifier (added in PHP 5.1.0)</td>
           <td colspan="1" rowspan="1" align="left">Examples: <i>UTC</i>, <i>GMT</i>, <i>Atlantic/Azores</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>I</i> (capital i)</td>
           <td colspan="1" rowspan="1" align="left">Whether or not the date is in daylight saving time</td>
           <td colspan="1" rowspan="1" align="left"><i>1</i> if Daylight Saving Time, <i>0</i> otherwise.</td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>O</i></td>
           <td colspan="1" rowspan="1" align="left">Difference to Greenwich time (GMT) in hours</td>
           <td colspan="1" rowspan="1" align="left">Example: <i>+0200</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>P</i></td>
           <td colspan="1" rowspan="1" align="left">Difference to Greenwich time (GMT) with colon between hours and minutes (added in PHP 5.1.3)</td>
           <td colspan="1" rowspan="1" align="left">Example: <i>+02:00</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>T</i></td>
           <td colspan="1" rowspan="1" align="left">Timezone abbreviation</td>
           <td colspan="1" rowspan="1" align="left">Examples: <i>EST</i>, <i>MDT</i> ...</td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>Z</i></td>
           <td colspan="1" rowspan="1" align="left">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 colspan="1" rowspan="1" align="left"><i>-43200</i> through <i>50400</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="center"><em class="emphasis">Full Date/Time</em></td>
           <td colspan="1" rowspan="1" align="left">---</td>
           <td colspan="1" rowspan="1" align="left">---</td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>c</i></td>
           <td colspan="1" rowspan="1" align="left">ISO 8601 date (added in PHP 5)</td>
           <td colspan="1" rowspan="1" align="left">2004-02-12T15:19:21+00:00</td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>r</i></td>
           <td colspan="1" rowspan="1" align="left"><a href="http://www.faqs.org/rfcs/rfc2822" class="link external">&raquo; RFC 2822</a> formatted date</td>
           <td colspan="1" rowspan="1" align="left">Example: <i>Thu, 21 Dec 2000 16:01:07 +0200</i></td>
          </tr>

          <tr valign="middle">
           <td colspan="1" rowspan="1" align="left"><i>U</i></td>
           <td colspan="1" rowspan="1" align="left">Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)</td>
           <td colspan="1" rowspan="1" align="left">See also <a href="function.time.html" class="function">time()</a></td>
          </tr>

         </tbody>
        </colgroup>

       </table>

      </p>
      <p class="para">
       Unrecognized characters in the format string will be printed
       as-is.  The <i>Z</i> format will always return
       <i>0</i> when using <a href="function.gmdate.html" class="function">gmdate()</a>.
      </p>       
      <blockquote><p><b class="note">Note</b>: 
       
        Since this function only accepts <a href="language.types.integer.html" class="type integer">integer</a> timestamps the
        <i>u</i> format character is only useful when using the
        <a href="function.date-format.html" class="function">date_format()</a> function with user based timestamps
        created with <a href="function.date-create.html" class="function">date_create()</a>.
       <br />
      </p></blockquote>
     </dd>

    </dt>

    
    
<dt>
<span class="term"><i><tt class="parameter">timestamp</tt></i>
</span>
<dd>
<p class="para">
The optional <i><tt class="parameter">timestamp</tt></i>
 parameter is an 
<a href="language.types.integer.html" class="type integer">integer</a> Unix timestamp that defaults to the current
local time if a <i><tt class="parameter">timestamp</tt></i>
 is not given. In other 
words, it defaults to the value of <a href="function.time.html" class="function">time()</a>. 
</p></dd>
</dt>

   
   </dl>

  </p>
 </div>