[field:sizes runphp=yes]$arr = explode(',',@me);$result = '';for($index=0;$index<count($arr);$index++){    $result .= "<span>$arr[$index]</span>";}@me = $result;[/field:sizes]

{dede:field.sizes runphp=yes}$arr = explode(',',@me);$result = '';for($index=0;$index<count($arr);$index++){    $result .= "<span>$arr[$index]</span>";}@me = $result;{/dede:field.sizes}

{dede:field name='sizes' runphp='yes'}$a=explode(",",@me);@me = "";foreach($a as $k){@me.="<span>$k</span>";}{/dede:field}