fix: passing null to parameter of type string

kenjis · kenjis · commit 9c9c4d2e1580 · 2021-11-26T09:24:11.000+09:00
ErrorException: json_decode(): Passing null to parameter #1 ($json) of type string is deprecated
diff --git a/system/HTTP/IncomingRequest.php b/system/HTTP/IncomingRequest.php
@@ -520,7 +520,7 @@ public function getVar($index = null, $filter = null, $flags = null)
      */
     public function getJSON(bool $assoc = false, int $depth = 512, int $options = 0)
     {
-        return json_decode($this->body, $assoc, $depth, $options);
+        return json_decode($this->body ?? '', $assoc, $depth, $options);
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -520,7 +520,7 @@ public function getVar($index = null, $filter = null, $flags = null)`
`520`	`520`	`*/`
`521`	`521`	`public function getJSON(bool $assoc = false, int $depth = 512, int $options = 0)`
`522`	`522`	`{`
`523`		`- return json_decode($this->body, $assoc, $depth, $options);`
	`523`	`+ return json_decode($this->body ?? '', $assoc, $depth, $options);`
`524`	`524`	`}`
`525`	`525`
`526`	`526`	`/**`