Fix to add array values individually in query filtering

readme.txt

@@ -94,7 +94,7 @@ Please raise any issues via [GitHub](https://github.com/gyrus/WordPress-Develope
 = 1.2 =
 * Changed Google maps integration to allow multiple markers (thanks adriantoll!) - please read [the release notes](http://sltaylor.co.uk/blog/developers-custom-fields-1-1/)
 * Changed query filtering for Simple Events date fields to use WP 4.1+ syntax to better handle start and end dates
-* Fix to use 'IN' comparison for array values in query filtering
+* Fix to add array values individually in query filtering
 
 = 1.1.1 =
 * Fixed issue with max-width: 100% messing up Google controls

slt-cf-query-vars.php

@@ -132,13 +132,24 @@ function slt_cf_manage_query_string( $query ) {
 						}
 
 
+					} else if ( is_array( $value ) ) {
+
+						// Add each item in array separately
+						foreach ( $value as $value_item ) {
+							$new_clauses[] = array(
+								'key'		=> slt_cf_field_key( $key ),
+								'value'		=> $value_item,
+								'compare'	=> '=',
+							);
+						}
+
 					} else {
 
 						// Simple pass-through
 						$new_clauses[] = array(
 							'key'		=> slt_cf_field_key( $key ),
 							'value'		=> $value,
-							'compare'	=> is_array( $value ) ? 'IN' : '=',
+							'compare'	=> '=',
 						);
 
 					}