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Handy Conditional Statements for Joomla

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Copy this code and paste it in your HTML 
  1. //Write conditional code for a homepage
  2. <?php if (JRequest::getVar('view')=='frontpage') { ?>
  3.    put the HTML for the banner here
  4. <?php } ?>
  5.  
  6.  
  7. //Write conditional code for a Section Page
  8. <?php if (JRequest::getVar('view')=='section') { ?>
  9.    put the HTML for the banner here
  10. <?php } ?>
  11.  
  12. //Target a Section page with a particlar #id
  13. <?php if (JRequest::getVar('view')=='section' && JRequest::getVar('id')==1) { ?>
  14.    put the HTML for the banner here
  15. <?php } ?>
  16.  
  17. //If on section 1, display this data, if on section 2, display this data
  18. <?php
  19.    $db = &JFactory::getDBO();
  20.    $id = JRequest::getVar('id');
  21.  
  22.    if ( $id ) {
  23.       if ( JRequest::getVar('view') == 'section' ) {
  24.          $sectionid = $id;
  25.       } elseif ( JRequest::getVar('view') == 'category' ) {
  26.          $query = 'SELECT section FROM #__categories WHERE id = ' . (int) $id;
  27.          $db->setQuery($query, 0, 1);
  28.          $sectionid = $db->loadResult();
  29.       } elseif ( JRequest::getVar('view') == 'article' ) {
  30.          $query = 'SELECT sectionid FROM #__content WHERE id = ' . (int) $id;
  31.          $db->setQuery($query, 0, 1);
  32.          $sectionid = $db->loadResult();
  33.       }
  34.    } else {
  35.       $sectionid = '';
  36.    }
  37.  
  38.    if ($sectionid != '' && $sectionid == 2) { ?>
  39.       Code for Section #2 goes here
  40.    <?php } elseif ($sectionid != '' && $sectionid == 3) { ?>
  41.       Code for Section #3 goes here
  42.    <?php }
  43. ?>

URL: http://forum.joomla.org/viewtopic.php?f=469&t=336451

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