Fixed: deprecated notice with PHP 8.1

patrickallaert · patrickallaert · commit 84bd6b75d2f4 · 2021-06-17T18:35:55.000+02:00
As of PHP 8.1, the following notice could possibly appear: Deprecated: strlen(): Passing null to parameter jsonrainbow#1 ($string) of type string is deprecated in ...
diff --git a/src/JsonSchema/Constraints/Constraint.php b/src/JsonSchema/Constraints/Constraint.php
@@ -46,7 +46,7 @@ protected function incrementPath(JsonPointer $path = null, $i)
         $path = $path->withPropertyPaths(
             array_merge(
                 $path->getPropertyPaths(),
-                array_filter(array($i), 'strlen')
+                array_filter(array($i), function ($x) { return $x !== null && strlen($x); })
             )
         );
 

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@ protected function incrementPath(JsonPointer $path = null, $i)`
`46`	`46`	`$path = $path->withPropertyPaths(`
`47`	`47`	`array_merge(`
`48`	`48`	`$path->getPropertyPaths(),`
`49`		`- array_filter(array($i), 'strlen')`
	`49`	`+ array_filter(array($i), function ($x) { return $x !== null && strlen($x); })`
`50`	`50`	`)`
`51`	`51`	`);`
`52`	`52`