php - how to change image URL for each image of 4 products on each row? -

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i have dynamic product table 4 product on each row. i'm using css , not html table. i'm looking way change 4 images on each row different urls , same on other rows.

the reason use 4 sub domains cdn allow faster downloads.

is possible? i'm still junior need assistance.

below code , image section <img class="lazy" src="/images/loading.gif" data-original="<?=resize($i['image'],$settings)?>" width="170" height="250" alt="" /> notice i'm using data-original i'm using lazyload, $settings used creating cached version of image.

here's code...

if($viewing=='retailer'){ if($i['category']!=$categorycheck){?> <div id="sub-sub"><?=$i['category_name']?></div> <? $categorycheck = $i['category']; $y=1; }?><? } ?>           <div class="package"<?=$y==4?' style="margin-right:0;"':''?><?=$y==1?' style="clear:left;"':''?>>             <div class="package-img"><a rel="nofollow" target="_blank" href="<?=$buylink?>">               <?php $settings = array('w'=>170,'h'=>250,'canvas-color'=>'#ffffff'); ?> <img class="lazy" src="/images/loading.gif" data-original="<?=resize($i['image'],$settings)?>" width="170" height="250" alt="" />  <noscript><img src="<?=resize($i['image'],$settings)?>" width="640" heigh="480"></noscript> <? /* <img src="<?=$i['image']?>" width="640" heigh="480"> */ ?>             </a></div>              <div class="name"><a rel="nofollow" target="_blank" href="<?=$buylink?>"><?=$i['item_name']?></a></div>                     <div class="price"><p>&pound;<?=$i['price']?></div>                      <a href="<?=$buylink?>"><div class="mrtl rtl<?=$i['retailer']?>"></div></a>              <div class="retailer-image"><a href="<?=$buylink?>"><img src="/images/retailers/<?=$i['retailer_logo']?>" width="140" heigh="46" /></a></div>                       </div>         <?         $y = $y==4 ? 1 : $y+1;     }

you need change function returns path image.

<?php  function resize(..., ...) {      static $i = 0;      $i++;      if ($i == 5) {         $i = 1;     }      return "http://cdn{$i}.domain/images/blah.gif";  }  ?>

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