From 1da970b3b1447e2047dbbb79d70d7ca0a7a113d6 Mon Sep 17 00:00:00 2001
From: William Cheng <wing328hk@gmail.com>
Date: Sun, 19 Nov 2023 14:41:39 +0800
Subject: [PATCH] fix comparison using equals (#17132)

---
 .../openapitools/codegen/languages/PhpNextgenClientCodegen.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpNextgenClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpNextgenClientCodegen.java
index 1c0e077a0f0a..3c57a89f4abf 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpNextgenClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpNextgenClientCodegen.java
@@ -149,7 +149,7 @@ public class PhpNextgenClientCodegen extends AbstractPhpCodegen {
                     propType = prop.dataType;
                 }
 
-                if ((!prop.required || prop.isNullable) && propType != "mixed") { // optional or nullable but not mixed
+                if ((!prop.required || prop.isNullable) && !propType.equals("mixed")) { // optional or nullable but not mixed
                     propType = "?" + propType;
                 }