Merge pull request #19872 from glayzzle/master

fix: dispose the this.documentListener

extensions/php/src/features/validationProvider.ts

@@ -121,6 +121,10 @@ export default class PHPValidationProvider {
 	public dispose(): void {
 		this.diagnosticCollection.clear();
 		this.diagnosticCollection.dispose();
+		if (this.documentListener) {
+			this.documentListener.dispose();
+			this.documentListener = null;
+		}
 	}
 
 	private loadConfiguration(): void {
@@ -293,4 +297,4 @@ export default class PHPValidationProvider {
 		}
 		vscode.window.showInformationMessage(message);
 	}
-}
\ No newline at end of file
+}