<?php function length_options(){ $selected = 'selected'; $length_options = array( "inches" => 0.0254, "feet" => 0.3048, "yards" => 0.9144, "miles" => 1609.344, "millimeters" => 0.001, "centimeters" => 0.01, "meters" => 1, "kilometers" => 1000, "acres" => 63.614907234075, "hectares" => 100); $choice = ''; while(list($k,$v)=each($length_options)) { $choice.='<option value = "'.$k.'">'.$k.'</option>'; } return $choice; } ?>