change emoji removal to optional

booking.regn_node.inc

@@ -9,7 +9,12 @@ function booking_node_presave($node) {
 			'!event' => $event->booking_eventname,
 			'!name' => $node->booking_firstname . ' ' . $node->booking_lastname,
 		));
+
+		//strip any emojis from user input if that feature is enabled
+		if (variable_get('booking_enable_emoji_removal', 1) == 1) {
 			$title = _booking_remove_emoji($title);
+		}		
+
 		$node->title = $title;	
 	}
 }
@@ -416,23 +421,32 @@ function booking_update($node) {
 		//check if the key is a field that belongs in the database
 		if ((strpos($key, "booking_") === 0) || $key === "nid") {
 			//what special handling does this field need?
+
 			//handle dates properly
 			if ((strpos($key, "booking_dob") === 0) || (strpos($key, "booking_passport_issue_date") === 0)) {
 				$data[$key] = _date_to_ts($value);
 			}
-			elseif (in_array($key, $excluded_keys, FALSE)) {
 			//skip these fields from the update of booking_person			
+			elseif (in_array($key, $excluded_keys, FALSE)) {
+				//do nothing
 			}				
+			//this field needs 0/1 translated to N/Y
 			elseif (in_array($key, $boolean_keys, FALSE)) {
 				$data[$key] = $value == 1 ? 'Y' : 'N';
 			} 
+			//this field has a default value of zero rather than null
 			elseif (in_array($key, $default_zero_keys, FALSE)) {
 				$data[$key] = $value == '' ? 0 : $value;
 			}
+			//just handle this field normally
 			else {
+				if (variable_get('booking_enable_emoji_removal', 1) == 1) {
 					$data[$key] = _booking_remove_emoji($value);					
 				}
-			
+				else {
+					$data[$key] = $value;					
+				}
+			}
 		}
 	}		
 	watchdog('booking', 'Updating node: @info', array('@info' => var_export($data, TRUE)));