diff --git a/src/main/java/com/twilio/oai/TwilioPhpGenerator.java b/src/main/java/com/twilio/oai/TwilioPhpGenerator.java
index 98883f61a..201c45c09 100644
--- a/src/main/java/com/twilio/oai/TwilioPhpGenerator.java
+++ b/src/main/java/com/twilio/oai/TwilioPhpGenerator.java
@@ -1,5 +1,7 @@
 package com.twilio.oai;
 
+import com.google.common.collect.ImmutableMap;
+import com.samskivert.mustache.Mustache;
 import com.twilio.oai.api.PhpApiResourceBuilder;
 import com.twilio.oai.api.PhpApiResources;
 import com.twilio.oai.api.PhpDomainBuilder;
@@ -11,6 +13,7 @@
 import com.twilio.oai.resolver.php.*;
 import com.twilio.oai.resource.ResourceMap;
 import com.twilio.oai.template.PhpApiActionTemplate;
+import com.twilio.oai.templating.mustache.TitleCamelCaseLambda;
 import io.swagger.v3.oas.models.OpenAPI;
 import org.openapitools.codegen.CodegenModel;
 import org.openapitools.codegen.CodegenOperation;
@@ -39,6 +42,13 @@ public class TwilioPhpGenerator extends PhpClientCodegen {
     private final IConventionMapper conventionMapper = new LanguageConventionResolver(PHP_CONVENTIONAL_MAP_PATH);
     private final PhpApiActionTemplate phpApiActionTemplate = new PhpApiActionTemplate(this);
 
+    @Override
+    protected ImmutableMap.Builder<String, Mustache.Lambda> addMustacheLambdas() {
+        ImmutableMap.Builder<String, Mustache.Lambda> lambdaBuilder = super.addMustacheLambdas();
+        lambdaBuilder.put("customcamelcase", new TitleCamelCaseLambda());
+        return lambdaBuilder;
+    }
+
     public TwilioPhpGenerator() {
         super();
         twilioCodegen = new TwilioCodegenAdapter(this, getName());
diff --git a/src/main/java/com/twilio/oai/resolver/php/PhpPropertyResolver.java b/src/main/java/com/twilio/oai/resolver/php/PhpPropertyResolver.java
index 428b0b252..add3914f6 100644
--- a/src/main/java/com/twilio/oai/resolver/php/PhpPropertyResolver.java
+++ b/src/main/java/com/twilio/oai/resolver/php/PhpPropertyResolver.java
@@ -21,9 +21,6 @@ public PhpPropertyResolver(IConventionMapper mapper) {
     @Override
     public CodegenProperty resolve(final CodegenProperty codegenProperty, ApiResourceBuilder apiResourceBuilder) {
         super.resolve(codegenProperty, apiResourceBuilder);
-
-        codegenProperty.baseName = StringHelper.camelize(codegenProperty.baseName, true);
-
         return codegenProperty;
     }
 
diff --git a/src/main/java/com/twilio/oai/templating/mustache/TitleCamelCaseLambda.java b/src/main/java/com/twilio/oai/templating/mustache/TitleCamelCaseLambda.java
new file mode 100644
index 000000000..fab6d282f
--- /dev/null
+++ b/src/main/java/com/twilio/oai/templating/mustache/TitleCamelCaseLambda.java
@@ -0,0 +1,24 @@
+package com.twilio.oai.templating.mustache;
+
+import com.samskivert.mustache.Mustache;
+import com.samskivert.mustache.Template;
+import com.twilio.oai.StringHelper;
+import lombok.RequiredArgsConstructor;
+
+import java.io.IOException;
+import java.io.Writer;
+
+@RequiredArgsConstructor
+public class TitleCamelCaseLambda implements Mustache.Lambda {
+    private final String delimiter;
+
+    public TitleCamelCaseLambda() {
+        this(" ");
+    }
+
+    @Override
+    public void execute(Template.Fragment fragment, Writer writer) throws IOException {
+        final String text = StringHelper.camelize(fragment.execute(), true);
+        writer.write(text);
+    }
+}
diff --git a/src/main/resources/twilio-php/instance.mustache b/src/main/resources/twilio-php/instance.mustache
index 569039250..f507b36d3 100644
--- a/src/main/resources/twilio-php/instance.mustache
+++ b/src/main/resources/twilio-php/instance.mustache
@@ -10,7 +10,7 @@ namespace Twilio\Rest\{{domainName}}\{{version}}{{namespaceSubPart}};
 {{#responseModels.0}}
 /**
 {{#responseModels}}
- * @property {{{dataType}}} ${{baseName}}
+ * @property {{{dataType}}} ${{#lambda.customcamelcase}}{{baseName}}{{/lambda.customcamelcase}}
 {{/responseModels}}
  */
 {{/responseModels.0}}
@@ -40,10 +40,10 @@ class {{apiName}}Instance extends InstanceResource
         $this->properties = [
             {{#responseModels}}
             {{^vendorExtensions.x-deserialize}}
-            '{{baseName}}' => Values::array_get($payload, '{{name}}'),
+            '{{#lambda.customcamelcase}}{{baseName}}{{/lambda.customcamelcase}}' => Values::array_get($payload, '{{name}}'),
             {{/vendorExtensions.x-deserialize}}
             {{#vendorExtensions.x-deserialize}}
-            '{{baseName}}' => {{.}}(Values::array_get($payload, '{{name}}')),
+            '{{#lambda.customcamelcase}}{{baseName}}{{/lambda.customcamelcase}}' => {{.}}(Values::array_get($payload, '{{name}}')),
             {{/vendorExtensions.x-deserialize}}
             {{/responseModels}}
         ];
diff --git a/src/main/resources/twilio-php/models/modelClass.mustache b/src/main/resources/twilio-php/models/modelClass.mustache
index 4bdb0ca43..3ad079aaa 100644
--- a/src/main/resources/twilio-php/models/modelClass.mustache
+++ b/src/main/resources/twilio-php/models/modelClass.mustache
@@ -10,7 +10,7 @@ class {{classname}} implements \JsonSerializable
     {{/vars}}
     public function __construct(array $payload = []) {
     {{#vars}}
-        $this->{{#lambda.camelcase}}{{baseName}}{{/lambda.camelcase}} = Values::array_get($payload, '{{name}}');
+        $this->{{#lambda.camelcase}}{{baseName}}{{/lambda.camelcase}} = Values::array_get($payload, '{{baseName}}');
     {{/vars}}
     }