Add comment about filtering

loevgaard · loevgaard · commit 55c8147eb4e6 · 2022-07-26T10:33:42.000+02:00
diff --git a/src/Event/Parameters.php b/src/Event/Parameters.php
@@ -100,6 +100,7 @@ private static function normalize($data, string $field = null)
         }
         unset($datum);
 
+        // this will filter values we don't want to send to Meta/Facebook, i.e. nulls, empty strings, and empty arrays
         return array_filter($data, static function ($value): bool {
             return !(null === $value || '' === $value || [] === $value);
         });

Original file line number	Diff line number	Diff line change
`@@ -100,6 +100,7 @@ private static function normalize($data, string $field = null)`
`100`	`100`	`}`
`101`	`101`	`unset($datum);`
`102`	`102`
	`103`	`+ // this will filter values we don't want to send to Meta/Facebook, i.e. nulls, empty strings, and empty arrays`
`103`	`104`	`return array_filter($data, static function ($value): bool {`
`104`	`105`	`return !(null === $value \|\| '' === $value \|\| [] === $value);`
`105`	`106`	`});`