chore: php object array fix (#640)

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# Fixes #

twilio php fix

### Checklist
- [x] I acknowledge that all my contributions will be made under the
project's license
- [ ] Run `make test-docker`
- [ ] Verify affected language:
- [ ] Generate [twilio-go](https://github.com/twilio/twilio-go) from our
[OpenAPI specification](https://github.com/twilio/twilio-oai) using the
[build_twilio_go.py](./examples/build_twilio_go.py) using `python
examples/build_twilio_go.py path/to/twilio-oai/spec/yaml
path/to/twilio-go` and inspect the diff
    - [ ] Run `make test` in `twilio-go`
    - [ ] Create a pull request in `twilio-go`
    - [ ] Provide a link below to the pull request
- [ ] I have made a material change to the repo (functionality, testing,
spelling, grammar)
- [ ] I have read the [Contribution
Guidelines](https://github.com/twilio/twilio-oai-generator/blob/main/CONTRIBUTING.md)
and my PR follows them
- [ ] I have titled the PR appropriately
- [ ] I have updated my branch with the main branch
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have added the necessary documentation about the functionality
in the appropriate .md file
- [ ] I have added inline documentation to the code I modified

If you have questions, please create a GitHub Issue in this repository.

Author: manisha1997

examples/php/src/Twilio/Rest/FlexApi/V1/Credential/NewCredentialsList.php

@@ -87,7 +87,7 @@ public function create(string $testString, array $options = []): NewCredentialsI
             'TestEnum' =>
                 $options['testEnum'],
             'TestObjectArray' =>
-                Serialize::map($options['testObjectArray'], function ($e) { return $e; }),
+                Serialize::map($options['testObjectArray'], function ($e) { return Serialize::jsonObject($e); }),
             'TestAnyType' =>
                 Serialize::jsonObject($options['testAnyType']),
             'TestAnyArray' =>

src/main/java/com/twilio/oai/common/ApplicationConstants.java

@@ -28,6 +28,7 @@ public class ApplicationConstants {
     public static final String OBJECT = "Object";
     public static final String STRING = "string";
     public static final String ARRAY = "array";
+    public static final String OBJECT_ARRAY = "object[]";
     public static final String ENUM_VARS = "enumVars";
 
     public static final String LIST_INSTANCE = "ListInstance";

src/main/java/com/twilio/oai/resolver/php/PhpParameterResolver.java

@@ -9,6 +9,7 @@
 
 import static com.twilio.oai.common.ApplicationConstants.ARRAY;
 import static com.twilio.oai.common.ApplicationConstants.OBJECT;
+import static com.twilio.oai.common.ApplicationConstants.OBJECT_ARRAY;
 import static com.twilio.oai.common.ApplicationConstants.SERIALIZE_VEND_EXT;
 import static com.twilio.oai.common.ApplicationConstants.STRING;
 import static com.twilio.oai.resolver.php.PhpPropertyResolver.MAP_STRING;
@@ -55,7 +56,7 @@ public void resolveSerialize(CodegenParameter codegenParameter) {
         if (codegenParameter.dataType != null && codegenParameter.dataType.contains("[]")) {
             codegenParameter.vendorExtensions.put(SERIALIZE_VEND_EXT, SERIALIZE_ARRAY_MAP);
             codegenParameter.vendorExtensions.put(SERIALIZE_VEND_EXT + LanguageConventionResolver.HYPHEN + MAP_STRING, true);
-            if (codegenParameter.dataType.contains(ARRAY)) {
+            if (codegenParameter.dataType.contains(ARRAY) || codegenParameter.dataType.contains(OBJECT_ARRAY)) {
                 codegenParameter.vendorExtensions.put(SERIALIZE_VEND_EXT + LanguageConventionResolver.HYPHEN + ARRAY_OF_ARRAY_STRING, SERIALIZE_ARRAY_JSON_OBJECT);
             }
         }