PHP 8.4: Change implicit nullable type declaration to explicit

sukhwinder33445 · sukhwinder33445 · commit e847853c9c38 · 2026-01-13T16:01:32.000+01:00
Since PHP 8.4 implicitly nullable parameter types are deprecated.
diff --git a/library/Pdfexport/HeadlessChrome.php b/library/Pdfexport/HeadlessChrome.php
@@ -637,7 +637,7 @@ private function communicate(Client $ws, $method, $params = null)
         return $response['result'];
     }
 
-    private function waitFor(Client $ws, $eventName, array $expectedParams = null)
+    private function waitFor(Client $ws, $eventName, ?array $expectedParams = null)
     {
         if ($eventName !== self::WAIT_FOR_NETWORK) {
             Logger::debug(

Original file line number	Diff line number	Diff line change
`@@ -637,7 +637,7 @@ private function communicate(Client $ws, $method, $params = null)`
`637`	`637`	`return $response['result'];`
`638`	`638`	`}`
`639`	`639`
`640`		`- private function waitFor(Client $ws, $eventName, array $expectedParams = null)`
	`640`	`+ private function waitFor(Client $ws, $eventName, ?array $expectedParams = null)`
`641`	`641`	`{`
`642`	`642`	`if ($eventName !== self::WAIT_FOR_NETWORK) {`
`643`	`643`	`Logger::debug(`