{foreach from = $item->fields item = 'field' key = 'key'} {/foreach}

Field Name	Previous Value	New Value
{$field.title|htmlspecialchars}	{$field.previousValue|htmlspecialchars|default:'-'}	{$field.currentValue|htmlspecialchars|default:'-'} {if 'photo' == $key && '' != $field.currentValue} {/if}