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authorKarl 'vollmerk' Vollmer <vollmer@ampache.org>2005-06-09 16:34:40 +0000
committerKarl 'vollmerk' Vollmer <vollmer@ampache.org>2005-06-09 16:34:40 +0000
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+<HTML
+><HEAD
+><TITLE
+>Helper functions</TITLE
+><META
+NAME="GENERATOR"
+CONTENT="Modular DocBook HTML Stylesheet Version 1.77+"><LINK
+REV="MADE"
+HREF="edd@usefulinc.com"><LINK
+REL="HOME"
+TITLE="XML-RPC for PHP"
+HREF="index.html"><LINK
+REL="PREVIOUS"
+TITLE="xmlrpc_server"
+HREF="xmlrpc-server.html"><LINK
+REL="NEXT"
+TITLE="Easy use with PHP arrays"
+HREF="arrayuse.html"></HEAD
+><BODY
+CLASS="CHAPTER"
+BGCOLOR="#FFFFFF"
+TEXT="#000000"
+LINK="#0000FF"
+VLINK="#840084"
+ALINK="#0000FF"
+><DIV
+CLASS="NAVHEADER"
+><TABLE
+SUMMARY="Header navigation table"
+WIDTH="100%"
+BORDER="0"
+CELLPADDING="0"
+CELLSPACING="0"
+><TR
+><TH
+COLSPAN="3"
+ALIGN="center"
+>XML-RPC for PHP: version 1.1</TH
+></TR
+><TR
+><TD
+WIDTH="10%"
+ALIGN="left"
+VALIGN="bottom"
+><A
+HREF="xmlrpc-server.html"
+ACCESSKEY="P"
+>Prev</A
+></TD
+><TD
+WIDTH="80%"
+ALIGN="center"
+VALIGN="bottom"
+></TD
+><TD
+WIDTH="10%"
+ALIGN="right"
+VALIGN="bottom"
+><A
+HREF="arrayuse.html"
+ACCESSKEY="N"
+>Next</A
+></TD
+></TR
+></TABLE
+><HR
+ALIGN="LEFT"
+WIDTH="100%"></DIV
+><DIV
+CLASS="CHAPTER"
+><H1
+><A
+NAME="HELPERS"
+></A
+>Chapter 6. Helper functions</H1
+><DIV
+CLASS="TOC"
+><DL
+><DT
+><B
+>Table of Contents</B
+></DT
+><DT
+><A
+HREF="helpers.html#AEN739"
+>Date functions</A
+></DT
+><DT
+><A
+HREF="arrayuse.html"
+>Easy use with PHP arrays</A
+></DT
+><DT
+><A
+HREF="debugging.html"
+>Debugging aids</A
+></DT
+></DL
+></DIV
+><P
+>XML-RPC for PHP contains some helper functions which you can
+ use to make processing of XML-RPC requests easier.</P
+><DIV
+CLASS="SECT1"
+><H1
+CLASS="SECT1"
+><A
+NAME="AEN739"
+></A
+>Date functions</H1
+><P
+>The XML-RPC specification has this to say on dates:</P
+><A
+NAME="AEN742"
+></A
+><BLOCKQUOTE
+CLASS="BLOCKQUOTE"
+><P
+>Don't assume a timezone. It should be specified by the server in its
+ documentation what assumptions it makes about timezones. </P
+></BLOCKQUOTE
+><P
+>Unfortunately, this means that date processing isn't
+ straightforward. Although XML-RPC uses ISO 8601 format dates, it
+ doesn't use the timezone specifier.</P
+><P
+>We strongly recommend that in every case where you pass
+ dates in XML-RPC calls, you use UTC (GMT) as your timezone. Most computer
+ languages include routines for handling GMT times natively, and
+ you won't have to translate between timezones.</P
+><P
+>For more information about dates, see <A
+HREF="http://www.uic.edu/year2000/datefmt.html"
+TARGET="_top"
+>ISO 8601: The Right Format for Dates</A
+>, which has a handy link to a PDF of the ISO 8601 specification. Note that XML-RPC uses exactly one of the available representations: CCYYMMDDTHH:MM:SS.</P
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="ISO8601ENCODE"
+></A
+>iso8601_encode</H2
+><DIV
+CLASS="FUNCSYNOPSIS"
+><A
+NAME="AEN750"
+></A
+><P
+></P
+><P
+><CODE
+><CODE
+CLASS="FUNCDEF"
+>$isoString=iso8601_encode</CODE
+>($time_t, $utc=0);</CODE
+></P
+><P
+></P
+></DIV
+><P
+>Returns an ISO 8601 formatted date generated from the
+ UNIX timestamp <TT
+CLASS="PARAMETER"
+><I
+>$time_t</I
+></TT
+>, as returned by
+ the PHP function <TT
+CLASS="FUNCTION"
+>time()</TT
+>. </P
+><P
+>The argument <TT
+CLASS="PARAMETER"
+><I
+>$utc</I
+></TT
+> can be omitted,
+ in which case it defaults to <TT
+CLASS="LITERAL"
+>0</TT
+>. If it is
+ set to <TT
+CLASS="LITERAL"
+>1</TT
+>, then the function corrects the
+ time passed in for UTC. Example: if you're in the GMT-6:00
+ timezone and set <TT
+CLASS="PARAMETER"
+><I
+>$utc</I
+></TT
+>, you will receive
+ a date representation six hours ahead of your local
+ time.</P
+><P
+>The included demo program <TT
+CLASS="FILENAME"
+>vardemo.php</TT
+>
+ includes a demonstration of this function.</P
+></DIV
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="ISO8601DECODE"
+></A
+>iso8601_decode</H2
+><DIV
+CLASS="FUNCSYNOPSIS"
+><A
+NAME="AEN768"
+></A
+><P
+></P
+><P
+><CODE
+><CODE
+CLASS="FUNCDEF"
+>$time_t=iso8601_decode</CODE
+>($isoString, $utc=0);</CODE
+></P
+><P
+></P
+></DIV
+><P
+>Returns a UNIX timestamp from an ISO 8601 encoded time and
+ date string passed in. If <TT
+CLASS="PARAMETER"
+><I
+>$utc</I
+></TT
+> is
+ <TT
+CLASS="LITERAL"
+>1</TT
+> then <TT
+CLASS="PARAMETER"
+><I
+>$isoString</I
+></TT
+> is
+ assumed to be in the UTC timezone, and thus the
+ <TT
+CLASS="PARAMETER"
+><I
+>$time_t</I
+></TT
+> result is also UTC: otherwise,
+ the timezone is assumed to be your local timezone and you receive a local timestamp.</P
+></DIV
+></DIV
+></DIV
+><DIV
+CLASS="NAVFOOTER"
+><HR
+ALIGN="LEFT"
+WIDTH="100%"><TABLE
+SUMMARY="Footer navigation table"
+WIDTH="100%"
+BORDER="0"
+CELLPADDING="0"
+CELLSPACING="0"
+><TR
+><TD
+WIDTH="33%"
+ALIGN="left"
+VALIGN="top"
+><A
+HREF="xmlrpc-server.html"
+ACCESSKEY="P"
+>Prev</A
+></TD
+><TD
+WIDTH="34%"
+ALIGN="center"
+VALIGN="top"
+><A
+HREF="index.html"
+ACCESSKEY="H"
+>Home</A
+></TD
+><TD
+WIDTH="33%"
+ALIGN="right"
+VALIGN="top"
+><A
+HREF="arrayuse.html"
+ACCESSKEY="N"
+>Next</A
+></TD
+></TR
+><TR
+><TD
+WIDTH="33%"
+ALIGN="left"
+VALIGN="top"
+>xmlrpc_server</TD
+><TD
+WIDTH="34%"
+ALIGN="center"
+VALIGN="top"
+>&nbsp;</TD
+><TD
+WIDTH="33%"
+ALIGN="right"
+VALIGN="top"
+>Easy use with PHP arrays</TD
+></TR
+></TABLE
+></DIV
+></BODY
+></HTML
+> \ No newline at end of file