meta tag to category pages

[marvays]

Hello.
Because of the SEO tool, I need to recognize category pages in the page code. Ideally, you would add a meta tag that only appears on the category page, for example:

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<meta property="og:type" content="Category" />

I wanted to add this tag to:

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/templates/hera_j3_vm3/html/com_virtuemart/category/default.php
But my poor php knowledge won't allow it.
Could you help me?

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<?php
/**
 *
 * Show the products in a category
 *
 * @package    VirtueMart
 * @subpackage
 * @author RolandD
 * @author Max Milbers
 * @todo add pagination
 * @link http://www.virtuemart.net
 * @copyright Copyright (c) 2004 - 2010 VirtueMart Team. All rights reserved.
 * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
 * VirtueMart is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses.
 * @version $Id: default.php 8508 2014-10-22 18:57:14Z Milbo $
 */
defined ('_JEXEC') or die('Restricted access');
$app = JFactory::getApplication('site');
$tname = $app->getTemplate('template')->template;
$template = $app->getTemplate(true);
$listgrid = $template->params->get('listgrid');

if (!class_exists('CurrencyDisplay'))
require(VMPATH_ADMIN . DS . 'helpers' . DS . 'currencydisplay.php');
$currency = CurrencyDisplay::getInstance( );

$category_id  = vRequest::getInt ('virtuemart_category_id', 0);
$manufacturer_id  = vRequest::getInt ('virtuemart_manufacturer_id', 0);

//JHtml::_ ('behavior.modal');
//id taken in the view.html.php could be modified
if (vRequest::getInt('dynamic',false) and vRequest::getInt('virtuemart_product_id',false)) {
if (!empty($this->products)) {
if($this->fallback){
$p = $this->products;
$this->products = array();
$this->products[0] = $p;
vmdebug('Refallback');
}

echo shopFunctionsF::renderVmSubLayout($this->productsLayout,array('products'=>$this->products,'currency'=>$this->currency,'products_per_row'=>$this->perRow,'showRating'=>$this->showRating));

}

return ;
}
?>
<div class="category-view">
<?php
$js ="
jQuery(document).ready(function ($) {
  var orderlistcontainer = $('div.orderlistcontainer');
  var activeOrder = $('div.activeOrder');
  activeOrder.click(function(){
    $(this).toggleClass('arrow-up').siblings('div.orderlist').toggle();
  });
  activeOrder.find('a').click(function(event){
    event.stopPropagation();
  });
  orderlistcontainer.mouseleave(function(){
    $(this).find('div.orderlist').hide();
    if (activeOrder.hasClass('arrow-up')) {
      activeOrder.removeClass('arrow-up');
    }
  });
});
";

//vmJsApi::addJScript('vm-hover',$js);

if (!empty($this->category->category_name))
{
  echo '<h1 class="vt-cat-h">'.vmText::_($this->category->category_name).'</h1>';
}

if ($this->show_store_desc and !empty($this->vendor->vendor_store_desc)) { ?>
<div class="vendor-store-desc jumbotron">
<?php echo $this->vendor->vendor_store_desc; ?>
</div>
<?php }

if (!empty($this->showcategory_desc) and empty($this->keyword)) {
if(!empty($this->category->category_description)) { ?>
    <div class="vt-cat-desc clearfix">
    <?php echo $this->category->category_description; ?>
    </div>
<?php
}

if(!empty($this->manu_descr)) { ?>
<div class="manufacturer-description vt-cat-desc clearfix">
<?php echo $this->manu_descr; ?>
</div>
<?php }
}
// Show child categories
if ($this->showcategory and empty($this->keyword) and $manufacturer_id == 0) {
if (!empty($this->category->haschildren)) {
echo ShopFunctionsF::renderVmSubLayout('categories',array('categories'=>$this->category->children, 'categories_per_row'=>$this->categories_per_row));
}
}

?>
<?php echo '{{module 204}}' ?>
<?php
if (!empty($this->products) or ($this->showsearch or $this->keyword !== false)) {
?>
<div class="browse-view match-height">

  <?php if ($this->showsearch or $this->keyword !== false) : // BEGIN Search Box?>
<h3><?php echo $this->keyword; ?></h3>
<div class="virtuemart_search">
<form action="<?php echo JRoute::_ ('index.php?option=com_virtuemart&view=category&limitstart=0', FALSE); ?>" method="get">
<?php if(!empty($this->searchCustomList)) { ?>
<div class="vm-search-custom-list">
<?php echo $this->searchCustomList ?>
</div>
<?php } ?>

<?php if(!empty($this->searchCustomValuesAr)) { ?>
<div class="vm-search-custom-values">
<?php
        echo ShopFunctionsF::renderVmSubLayoutAsGrid(
            'searchcustomvalues',
            array (
                'searchcustomvalues' => $this->searchCustomValuesAr,
                'options' => array (
                    'items_per_row' => array (
                        'xs' => 2,
                        'sm' => 2,
                        'md' => 2,
                        'lg' => 2,
                        'xl' => 2,
                    ),
                ),
            )
        );
        ?>
</div>
<?php } ?>
<div class="vm-search-custom-search-input input-group">
<input name="keyword" class="inputbox form-control" type="text" size="40" value="<?php echo $this->keyword ?>"/>
        <span class="input-group-btn">
  <input type="submit" value="<?php echo vmText::_ ('COM_VIRTUEMART_SEARCH') ?>" class="button btn" onclick="this.form.keyword.focus();"/>
        </span>
  <?php //echo VmHtml::checkbox ('searchAllCats', (int)$this->searchAllCats, 1, 0, 'class="changeSendForm"'); ?>
</div>
      <div class="vm-search-descr alert alert-info margin-top"> <?php echo vmText::_('COM_VM_SEARCH_DESC') ?></div>
<!-- input type="hidden" name="showsearch" value="true"/ -->
<input type="hidden" name="view" value="category"/>
<input type="hidden" name="option" value="com_virtuemart"/>
<input type="hidden" name="virtuemart_category_id" value="<?php echo $category_id; ?>"/>
<input type="hidden" name="Itemid" value="<?php echo $this->Itemid; ?>"/>
</form>
</div>

  <?php
  $j = 'jQuery(document).ready(function() {
    jQuery(".changeSendForm")
     .off("change",Virtuemart.sendCurrForm)
      .on("change",Virtuemart.sendCurrForm);
  })';
  vmJsApi::addJScript('sendFormChange',$j);
  ?>
  <?php endif; // End Search Box ?>

  <?php if (!empty($this->products) && !empty($this->orderByList)) : // Orderby-displaynumber ?>
  <div class="orderby-displaynumber clearfix">
    <div class="width70 floatleft">
      <?php if ($listgrid) : ?>
      <div id="listgrid" class="btn-group hidden-xs" role="group" style="vertical-align: bottom;margin-right:15px">
        <button type="button" class="btn btn-list"><i class="fa fa-th-list" aria-hidden="true"></i></button>
        <button type="button" class="btn"><i class="fa fa-th" aria-hidden="true"></i></button>
      </div>
      <?php endif; ?>
      <div class="orderlistcontainer">
      <div class="title"><?php echo vmText::_('COM_VIRTUEMART_ORDERBY'); ?></div>
      <div id="vm-orderby" class="hidden"><?php echo $this->orderByList['orderby']; ?></div>
  <?php
      $orderBy = strip_tags($this->orderByList['orderby'],'<a><script>');
      $orderBy = explode('</a>',$orderBy);
      $orderBy = str_replace(['<a','</a','-/+','+/-','href', vmText::_('COM_VIRTUEMART_ORDERBY')], ['<option','</option','','','value',''], $orderBy);
      ?>
      <select onchange="window.location.href=this.value">
      <?php foreach ($orderBy as $option) : ?>
      <?php echo $option ?>
      <?php endforeach; ?>
      </select>
      <button id="orderDir" class="btn btn-default" type="button" onclick="window.location.href=jQuery('#vm-orderby').find('.activeOrder').children('a').attr('href');" style="vertical-align:bottom;"><span class="fa fa-sort"></span></button>
      </div>
     
    </div>
    <div class="width30 floatright display-number">
      <?php echo $this->vmPagination->getResultsCounter ();?>
      <br/>
      <?php echo $this->vmPagination->getLimitBox ($this->category->limit_list_step); ?>
    </div>
    <div class="vm-pagination clearfix">
      <?php echo str_replace('<ul>', '<ul class="pagination">', $this->vmPagination->getPagesLinks ()); ?>
      <span class="floatleft"><?php echo $this->vmPagination->getPagesCounter (); ?></span>
    </div>
  </div>
  <?php endif; // End of orderby-displaynumber ?>

  <?php if (!empty($this->products)) : ?>

    <?php //revert of the fallback in the view.html.php, will be removed vm3.2
    if($this->fallback){
     $p = $this->products;
     $this->products = array();
     $this->products[0] = $p;
     vmdebug('Refallback');
    }
    echo shopFunctionsF::renderVmSubLayout($this->productsLayout,array('products'=>$this->products,'currency'=>$this->currency,'products_per_row'=>$this->perRow,'showRating'=>$this->showRating));
    ?>

    <?php if (!empty($this->orderByList)) : // Show footer pagination?>
    <div class="vm-pagination vm-pagination-bottom">
      <?php echo str_replace('<ul>', '<ul class="pagination">', $this->vmPagination->getPagesLinks ()); ?>
      <span class="vm-page-counter"><?php echo $this->vmPagination->getPagesCounter (); ?></span>
    </div>
    <?php endif; ?>

  <?php elseif ($this->keyword !== false) : ?>

    <?php echo '<p class="alert alert-info margin-top">' . vmText::_ ('COM_VIRTUEMART_NO_RESULT') . ($this->keyword ? ' : (' . $this->keyword . ')' : '') . '</p>'; ?>

  <?php endif; ?>

</div>

<?php } ?>
<script>
jQuery('div.main-box').removeClass('main-box');
</script>
</div>
<?php
if(VmConfig::get ('ajax_category', false)){
$j = "Virtuemart.container = jQuery('.category-view');
Virtuemart.containerSelector = '.category-view';";

vmJsApi::addJScript('ajax_category',$j);
vmJsApi::jDynUpdate();
}
?>
<!-- end browse-view -->


[Ghost]

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$this->document->setMetaData('og:type', 'Category', 'property');

[pinochico]

hmm
plugin phoca meta tags not helped?
For us yes

[Jumbo!]

You can use VM OG Meta Tag plugin on your site, which adds these meta tags automatically. It is a free plugin - https://www.virtueplanet.com/extensions/vm-og-meta-tag