diff --git a/application/config/version.php b/application/config/version.php
index 7946830d4..aa751514d 100644
--- a/application/config/version.php
+++ b/application/config/version.php
@@ -29,7 +29,7 @@
  *
  * @var string
  */
-$config['version'] = '8.24.3';
+$config['version'] = '8.24.4';
 
 /**
  * Version release date.
diff --git a/application/helpers/report_standard_params_samples.php b/application/helpers/report_standard_params_samples.php
index 4f8281571..a7e32d8e9 100644
--- a/application/helpers/report_standard_params_samples.php
+++ b/application/helpers/report_standard_params_samples.php
@@ -85,30 +85,42 @@ public static function getParameters() {
       'idlist' => array('datatype'=>'idlist', 'display'=>'List of IDs', 'emptyvalue'=>'', 'fieldname'=>'s.id', 'alias'=>'smp_id',
         'description'=>'Comma separated list of sample IDs to filter to'
       ),
-      'searchArea' => array('datatype'=>'geometry', 'display'=>'Boundary',
-        'description'=>'Boundary to search within',
-        'wheres' => array(
-          array('value'=>'', 'operator'=>'', 'sql'=>"st_intersects(s.geom, st_makevalid(st_geomfromtext('#searchArea#',900913)))")
-        )
-      ),
-      'smp_id' => array('datatype' => 'integer', 'display' => 'ID',
+      'searchArea' => [
+        'datatype' => 'geometry',
+        'display' => 'Boundary',
+        'description' => 'Boundary to search within, in Well Known Text format using Web Mercator projection.',
+        'wheres' => [
+          [
+            'sql' => "st_intersects(s.geom, st_makevalid(st_geomfromtext('#searchArea#',900913)))",
+          ],
+        ],
+      ],
+      'smp_id' => [
+        'datatype' => 'integer',
+        'display' => 'ID',
         'description' => 'Sample ID',
-        'wheres' => array(
-          array('value' => '', 'operator' => '', 'sql' => "s.id #smp_id_op# #smp_id#")
-        )
-      ),
-      'sample_method_id' => array('datatype' => 'integer', 'display' => 'Sample Method ID',
+        'wheres' => [
+          [
+            'sql' => "s.id #smp_id_op# #smp_id#"
+          ]
+        ],
+      ],
+      'sample_method_id' => [
+        'datatype' => 'integer',
+        'display' => 'Sample Method ID',
         'description' => 'Termlists_terms ID for the Sample Method',
-        'wheres' => array(
-          array('value' => '', 'operator' => '', 'sql' => "s.location_name ilike replace('#location_name#', '*', '%') || '%'"),
-        )
-      ),
-      'location_name' => array('datatype' => 'text', 'display' => 'Location name',
+        'wheres' => [
+          ['sql' => "s.location_name ilike replace('#location_name#', '*', '%') || '%'"],
+        ],
+      ],
+      'location_name' => [
+        'datatype' => 'text',
+        'display' => 'Location name',
         'description' => 'Name of location to filter to (starts with search)',
-        'wheres' => array(
-          array('value' => '', 'operator' => '', 'sql' => "s.location_name ilike '%#location_name#%'")
-        )
-      ),
+        'wheres' => [
+          ['sql' => "s.location_name ilike '%#location_name#%'"],
+        ],
+      ],
       'location_list' => [
         'datatype' => 'integer[]',
         'display' => 'Location IDs',