PHP For each - every two

is it what u want or am i missing something

<?php

$catTerms = get_terms('product_cat', array('hide_empty' => 0, 'orderby' => 'ASC', 'parent'=> 28)); ?>

<?php foreach($catTerms as $catTerm) : ?>

       <td><a href="/product-category/<?php echo $catTerm->slug; ?>"><?php echo $catTerm->name; ?></a></td>

  <td><a href="/product-category/<?php echo $catTerm->slug; ?>"><?php echo $catTerm->name; ?></a></td>


<?php endforeach; ?>  

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What will be your output?? Not just <tr><td></td><td></td></tr> I am talking about content?

I havent explained myself very well... This just outputs the same array value side by side.

I want to loop through the whole array putting every two values into a row...

also u can replace  line #9  in my code above   with just   <td></td>

the output should be...

<tr>
        <td><a href="/product-category/value1">Value1</a></td>
        <td><a href="/product-category/value2">Value2</a></td>
      </tr>
      <tr>
       <td><a href="/product-category/value3">Value3</a></td>
        <td><a href="/product-category/value4">Value4</a></td>
      </tr>

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If you're looking to place the results in two columns, you'd be better off with a for loop.

<?php

$catTerms = get_terms('product_cat', array('hide_empty' => 0, 'orderby' => 'ASC', 'parent'=> 28)); ?>

<?php for($i = 0; $i < count($catTerms); $i += 2) : ?>

       <tr><td><a href="/product-category/<?php echo $catTerms[i]->slug; ?>"><?php echo $catTerm->name; ?></a></td>

       <td><a href="/product-category/<?php echo $catTerms[i+1]->slug; ?>"><?php echo $catTerm->name; ?></a></td></tr>

<?php endfor; ?>

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However, this will only work if you have an even number of items. If you have or may have an odd number, you'd need to use an if statement for the second <td>.

<?php

$catTerms = get_terms('product_cat', array('hide_empty' => 0, 'orderby' => 'ASC', 'parent'=> 28)); ?>

<?php for($i = 0; $i < count($catTerms); $i += 2) : ?>

       <tr><td><a href="/product-category/<?php echo $catTerms[i]->slug; ?>"><?php echo $catTerm->name; ?></a></td>

<?php if ($i + 1 < count($catTerms) ) { ?>
       <td><a href="/product-category/<?php echo $catTerms[i+1]->slug; ?>"><?php echo $catTerm->name; ?></a></td>

<?php } ?>

       </tr>

<?php endfor; ?>

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Now I got what you want , please trythis  code and let me know
try this

   <?php

$catTerms = get_terms('product_cat', array('hide_empty' => 0, 'orderby' => 'ASC', 'parent'=> 28)); ?>
$counter = 0; 
<?php 
foreach($catTerms as $catTerm) :
if ( $counter/2 == intval  ( $counter/2 )  )  echo "<tr>" ;
 ?>



       <td><a href="/product-category/<?php echo $catTerm->slug; ?>"><?php echo $catTerm->name; ?></a></td>

<?php 
if ( $counter/2 == intval  ( $counter/2 )  )  echo "</tr>";
$counter++;
endforeach; 
?>  

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@honestman31: Use the % operator. It's a much cleaner and more efficient way to do exactly what you're doing:

Multiple math operations and intval() casting:
if( $counter/2 == intval($counter/2) )

One math operation:
if( ($counter % 2) == 0)

Or for even shorter syntax:
if(!($counter % 2))

Many thanks for everyones help