URL-Parameter über WSL oder XSL ermitteln

...
    <wd:object type="eventMulti">
      <wd:data id="title" type="char.text"/>
      <wd:data id="description" type="char.text"/>
      <wd:data id="keywords" type="char.text"/>
      <wd:data id="town" type="char.text"/>
      <wd:data id="dates" type="entries.text">
        <wd:entry from="2013-05-05 10:30:00" to="2013-05-05 12:00:00" status="frei" />
        <wd:entry from="2013-05-19 10:30:00" to="2013-05-19 12:00:00" status="belegt" />
      </wd:data>
      <wd:data id="text" type="text.standard"><![CDATA[<p>Jeden zweiten Sonntag im Mai verzaubern wir Sie mit einem breiten Angebot an klassischen Stücken von Strauss, Schostakowitsch oder Wagner. Bei schlechtem Wetter ist das Gelände überdacht.</p>]]></wd:data>
      <wd:data id="category" type="categories.default">
        <wd:category>678677678377</wd:category>
        <wd:category>647503647503</wd:category>
      </wd:data>
      <wd:data id="location" type="char.default">
        <wd:category>678677678377</wd:category>
      </wd:data>
      <wd:data id="enableClickAnalyzer" type="char.default">no</wd:data>
      <wd:data id="pageDisplayType" type="char.default"/>
    </wd:object>
...

...
<p class="listEntryDate">

  <wsl:php>
    $showTimeOnSingleDayDates= "<xsl:value-of select="/wFilelist/wData/data[@name = 'showTimeOnSingleDayDates']/text()"/>";
    $param       = "<xsl:value-of select="@param"/>";
    $text_oClock = "<xsl:value-of select="php:functionString('wTexts::getText', 'o_clock')"/>";
    
    // Status von Veranstaltungen auslesen:
    $path   = "<xsl:value-of select="@path" />";
    $from   = wURL::getParameter($param, 'from');
    $to     = wURL::getParameter($param, 'to');
    $status = wDocumentData::getData($path, "/wd:extension/wd:object/wd:data[@id = 'dates']/wd:entry[@from = '".$from."' and @to = '".$to."']/@status");
    print "Status (wsl:php): ".$status;
    
    <![CDATA[
    if(preg_match("/from=([^&]+)/", $param, $matches)){
      $from = $matches[1];
      print date("d.m.Y", strtotime($from));
    }
    $isSingleDate = true;
    if(preg_match("/to=([^&]+)/", $param, $matches)){
      $to = $matches[1];
      if(substr($from, 0, 10) != substr($to, 0, 10)){
        print " - ".date("d.m.Y", strtotime($to));
        $isSingleDate = false;
      }
    }
    if($showTimeOnSingleDayDates == '1'){
      if($isSingleDate){
        if(preg_match("/from=([^&]+)/", $param, $matches)){
          $from = $matches[1];
          print ", ".date("H:i", strtotime($from))." ".$text_oClock;
        }
        if(preg_match("/to=([^&]+)/", $param, $matches)){
          $to = $matches[1];
          if($to != $from){
            print " - ".date("H:i", strtotime($to))." ".$text_oClock;
          }
        }
      }
    }
    ]]>
  </wsl:php>
  <xsl:variable name="locationID"><xsl:value-of select="wd:extension/wd:object/wd:data[@id='location']/wd:category/text()"/></xsl:variable>
  <xsl:if test="$locationID != '' and php:functionString('wRepository::documentExists', /wFilelist/wData/data[@name = 'pathLocations']/text())">, <xsl:value-of select="document(concat($wDocumentRoot, /wFilelist/wData/data[@name = 'pathLocations']/text()))//category[@id = $locationID]/@text"/></xsl:if>
</p>
...

...
<p class="listEntryDate">

  <wsl:php>
    $showTimeOnSingleDayDates= "<xsl:value-of select="/wFilelist/wData/data[@name = 'showTimeOnSingleDayDates']/text()"/>";
    $param       = "<xsl:value-of select="@param"/>";
    $text_oClock = "<xsl:value-of select="php:functionString('wTexts::getText', 'o_clock')"/>";
    
    <![CDATA[
    if(preg_match("/from=([^&]+)/", $param, $matches)){
      $from = $matches[1];
      print date("d.m.Y", strtotime($from));
    }
    $isSingleDate = true;
    if(preg_match("/to=([^&]+)/", $param, $matches)){
      $to = $matches[1];
      if(substr($from, 0, 10) != substr($to, 0, 10)){
        print " - ".date("d.m.Y", strtotime($to));
        $isSingleDate = false;
      }
    }
    if($showTimeOnSingleDayDates == '1'){
      if($isSingleDate){
        if(preg_match("/from=([^&]+)/", $param, $matches)){
          $from = $matches[1];
          print ", ".date("H:i", strtotime($from))." ".$text_oClock;
        }
        if(preg_match("/to=([^&]+)/", $param, $matches)){
          $to = $matches[1];
          if($to != $from){
            print " - ".date("H:i", strtotime($to))." ".$text_oClock;
          }
        }
      }
    }
    ]]>
  </wsl:php>
  <xsl:variable name="locationID"><xsl:value-of select="wd:extension/wd:object/wd:data[@id='location']/wd:category/text()"/></xsl:variable>
  <xsl:if test="$locationID != '' and php:functionString('wRepository::documentExists', /wFilelist/wData/data[@name = 'pathLocations']/text())">, <xsl:value-of select="document(concat($wDocumentRoot, /wFilelist/wData/data[@name = 'pathLocations']/text()))//category[@id = $locationID]/@text"/></xsl:if>

  <!-- Status von Veranstaltungen auslesen (xslt): -->
  <xsl:variable name="paramFrom"><xsl:value-of select="php:functionString('wURL::getParameter', @param, 'from')" /></xsl:variable>
  <xsl:variable name="paramTo"><xsl:value-of select="php:functionString('wURL::getParameter', @param, 'to')" /></xsl:variable>
  <xsl:variable name="statusEntry"><xsl:value-of select="wd:extension/wd:object/wd:data[@id = 'dates']/wd:entry[@from = $paramFrom and @to = $paramTo]/@status"/></xsl:variable>
  <xsl:variable name="statusCSS">
    <xsl:choose>
      <xsl:when test="$statusEntry = 'frei'">green</xsl:when>
      <xsl:when test="$statusEntry = 'belegt'">red</xsl:when>
      <xsl:otherwise>grey</xsl:otherwise>
    </xsl:choose>
  </xsl:variable>
  Status: <span style="color:{$statusCSS}"><xsl:value-of select="$statusEntry" /></span>

</p>
...