Custom fields multiple values, Wordpress, PHP

Answer 1

Try this

if ($description[0] != "" && $seccond_value[0] != "") { 

// Combine two values and print them


} else {

// Value is not set

}

Answer 2

The product description and price could be in the same custom field value. Just split it up and categorise it.

Check Scenario#2 in this post to find out how: http://www.graphicbeacon.com/how-to-split-and-categorize-wordpress-custom-field-values/