fix: Allow KID index 0

ajupazhamayil · ajupazhamayil · commit be6eb589e86b · 2023-05-10T18:14:20.000+05:30
diff --git a/src/JWT.php b/src/JWT.php
@@ -439,7 +439,7 @@ private static function getKey(
             return $keyOrKeyArray;
         }
 
-        if (!isset($kid)) {
+        if (empty($kid) && $kid !== '0') {
             throw new UnexpectedValueException('"kid" empty, unable to lookup correct key');
         }
 

Original file line number	Diff line number	Diff line change
`@@ -439,7 +439,7 @@ private static function getKey(`
`439`	`439`	`return $keyOrKeyArray;`
`440`	`440`	`}`
`441`	`441`
`442`		`- if (!isset($kid)) {`
	`442`	`+ if (empty($kid) && $kid !== '0') {`
`443`	`443`	`throw new UnexpectedValueException('"kid" empty, unable to lookup correct key');`
`444`	`444`	`}`
`445`	`445`