docs: fix @return type

kenjis · kenjis · commit 071b85afa0d3 · 2022-10-21T07:45:52.000+09:00
This is merge mistake. When $body is false, it will be null in the end.
diff --git a/system/HTTP/ResponseTrait.php b/system/HTTP/ResponseTrait.php
@@ -254,7 +254,7 @@ public function setJSON($body, bool $unencoded = false)
     /**
      * Returns the current body, converted to JSON is it isn't already.
      *
-     * @return bool|string|null
+     * @return string|null
      *
      * @throws InvalidArgumentException If the body property is not array.
      */

Original file line number	Diff line number	Diff line change
`@@ -254,7 +254,7 @@ public function setJSON($body, bool $unencoded = false)`
`254`	`254`	`/**`
`255`	`255`	`* Returns the current body, converted to JSON is it isn't already.`
`256`	`256`	`*`
`257`		`- * @return bool\|string\|null`
	`257`	`+ * @return string\|null`
`258`	`258`	`*`
`259`	`259`	`* @throws InvalidArgumentException If the body property is not array.`
`260`	`260`	`*/`