diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractPhpCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractPhpCodegen.java
index af33ba1f36a..40d986a6650 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractPhpCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractPhpCodegen.java
@@ -684,6 +684,28 @@ public abstract class AbstractPhpCodegen extends DefaultCodegen implements Codeg
         p.example = example;
     }
 
+    @Override
+    protected void updateEnumVarsWithExtensions(List<Map<String, Object>> enumVars, Map<String, Object> vendorExtensions, String dataType) {
+        if (vendorExtensions != null) {
+            if (vendorExtensions.containsKey("x-enum-varnames")) {
+                List<String> values = (List<String>) vendorExtensions.get("x-enum-varnames");
+                int size = Math.min(enumVars.size(), values.size());
+
+                for (int i = 0; i < size; i++) {
+                    enumVars.get(i).put("name", toEnumVarName(values.get(i), dataType));
+                }
+            }
+
+            if (vendorExtensions.containsKey("x-enum-descriptions")) {
+                List<String> values = (List<String>) vendorExtensions.get("x-enum-descriptions");
+                int size = Math.min(enumVars.size(), values.size());
+                for (int i = 0; i < size; i++) {
+                    enumVars.get(i).put("enumDescription", values.get(i));
+                }
+            }
+        }
+    }
+
     @Override
     public String toEnumValue(String value, String datatype) {
         if ("int".equals(datatype) || "float".equals(datatype)) {
@@ -704,11 +726,11 @@ public abstract class AbstractPhpCodegen extends DefaultCodegen implements Codeg
             return enumNameMapping.get(name);
         }
 
-        if (name.length() == 0) {
+        if (name.isEmpty()) {
             return "EMPTY";
         }
 
-        if (name.trim().length() == 0) {
+        if (name.trim().isEmpty()) {
             return "SPACE_" + name.length();
         }
 
@@ -719,11 +741,12 @@ public abstract class AbstractPhpCodegen extends DefaultCodegen implements Codeg
 
         // number
         if ("int".equals(datatype) || "float".equals(datatype)) {
-            String varName = name;
-            varName = varName.replaceAll("-", "MINUS_");
-            varName = varName.replaceAll("\\+", "PLUS_");
-            varName = varName.replaceAll("\\.", "_DOT_");
-            return varName;
+            if (name.matches("\\d.*")) { // starts with number
+                name = "NUMBER_" + name;
+            }
+            name = name.replaceAll("-", "MINUS_");
+            name = name.replaceAll("\\+", "PLUS_");
+            name = name.replaceAll("\\.", "_DOT_");
         }
 
         // string
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpLaravelServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpLaravelServerCodegen.java
index 59e191e75d1..9befedd4a48 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpLaravelServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PhpLaravelServerCodegen.java
@@ -374,22 +374,4 @@ public class PhpLaravelServerCodegen extends AbstractPhpCodegen {
     public String toEnumDefaultValue(String value, String datatype) {
         return datatype + "::" + value;
     }
-
-    @Override
-    public String toEnumVarName(String value, String datatype) {
-        if (value.length() == 0) {
-            return super.toEnumVarName(value, datatype);
-        }
-
-        // number
-        if ("int".equals(datatype) || "float".equals(datatype)) {
-            String varName = "NUMBER_" + value;
-            varName = varName.replaceAll("-", "MINUS_");
-            varName = varName.replaceAll("\\+", "PLUS_");
-            varName = varName.replaceAll("\\.", "_DOT_");
-            return varName;
-        }
-
-        return super.toEnumVarName(value, datatype);
-    }
 }
diff --git a/modules/openapi-generator/src/main/resources/php-nextgen/model_enum.mustache b/modules/openapi-generator/src/main/resources/php-nextgen/model_enum.mustache
index bb8e093f7aa..d0a24379e60 100644
--- a/modules/openapi-generator/src/main/resources/php-nextgen/model_enum.mustache
+++ b/modules/openapi-generator/src/main/resources/php-nextgen/model_enum.mustache
@@ -2,8 +2,15 @@ enum {{classname}}: {{vendorExtensions.x-php-enum-type}}
 {
     {{#allowableValues}}
     {{#enumVars}}
-    case {{^isString}}NUMBER_{{/isString}}{{{name}}} = {{{value}}};
+    {{#enumDescription}}
+    /**
+    * {{enumDescription}}
+    */
+    {{/enumDescription}}
+    case {{{name}}} = {{{value}}};
+{{^-last}}
 
+{{/-last}}
     {{/enumVars}}
     {{/allowableValues}}
 }
diff --git a/modules/openapi-generator/src/main/resources/php/model_enum.mustache b/modules/openapi-generator/src/main/resources/php/model_enum.mustache
index 77001f2e605..86d022506db 100644
--- a/modules/openapi-generator/src/main/resources/php/model_enum.mustache
+++ b/modules/openapi-generator/src/main/resources/php/model_enum.mustache
@@ -5,7 +5,12 @@ class {{classname}}
      */
     {{#allowableValues}}
     {{#enumVars}}
-    public const {{^isString}}NUMBER_{{/isString}}{{{name}}} = {{{value}}};
+    {{#enumDescription}}
+    /**
+     * {{enumDescription}}
+     */
+    {{/enumDescription}}
+    public const {{{name}}} = {{{value}}};
 
     {{/enumVars}}
     {{/allowableValues}}
@@ -18,7 +23,7 @@ class {{classname}}
         return [
             {{#allowableValues}}
             {{#enumVars}}
-            self::{{^isString}}NUMBER_{{/isString}}{{{name}}}{{^-last}},
+            self::{{{name}}}{{^-last}},
             {{/-last}}
             {{/enumVars}}
             {{/allowableValues}}
diff --git a/modules/openapi-generator/src/test/java/org/openapitools/codegen/php/PhpModelTest.java b/modules/openapi-generator/src/test/java/org/openapitools/codegen/php/PhpModelTest.java
index 39b3bb7870e..d2bc34a33b5 100644
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/php/PhpModelTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/php/PhpModelTest.java
@@ -348,7 +348,7 @@ public class PhpModelTest {
         Assert.assertEquals(prope.allowableValues.get("values"), Arrays.asList(1, -1));
 
         HashMap<String, Object> one = new HashMap<String, Object>();
-        one.put("name", "1");
+        one.put("name", "NUMBER_1");
         one.put("value", "1");
         one.put("isString", false);
         HashMap<String, Object> minusOne = new HashMap<String, Object>();
diff --git a/modules/openapi-generator/src/test/resources/3_0/php-nextgen/petstore-with-fake-endpoints-models-for-testing.yaml b/modules/openapi-generator/src/test/resources/3_0/php-nextgen/petstore-with-fake-endpoints-models-for-testing.yaml
index 433bd56071e..cebc271e1d5 100644
--- a/modules/openapi-generator/src/test/resources/3_0/php-nextgen/petstore-with-fake-endpoints-models-for-testing.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/php-nextgen/petstore-with-fake-endpoints-models-for-testing.yaml
@@ -2066,4 +2066,19 @@ components:
     ArrayRef:
       type: array
       items:
-        type: string
\ No newline at end of file
+        type: string
+    EnumWithNameAndDescription:
+      type: integer
+      enum:
+        - 1
+        - 2
+        - 3
+        - 4
+      x-enum-varnames:
+        - ONE
+        - "2"
+        - " 3"
+      x-enum-descriptions:
+        - The word one
+        - The digit two
+        - The digit three prefixed by a space
diff --git a/modules/openapi-generator/src/test/resources/3_0/php/petstore-with-fake-endpoints-models-for-testing.yaml b/modules/openapi-generator/src/test/resources/3_0/php/petstore-with-fake-endpoints-models-for-testing.yaml
index 71e9f1525ed..138e51a2f20 100644
--- a/modules/openapi-generator/src/test/resources/3_0/php/petstore-with-fake-endpoints-models-for-testing.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/php/petstore-with-fake-endpoints-models-for-testing.yaml
@@ -2076,3 +2076,18 @@ components:
           type: string
         type_:
           type: string
+    EnumWithNameAndDescription:
+      type: integer
+      enum:
+        - 1
+        - 2
+        - 3
+        - 4
+      x-enum-varnames:
+        - ONE
+        - "2"
+        - " 3"
+      x-enum-descriptions:
+        - The word one
+        - The digit two
+        - The digit three prefixed by a space
diff --git a/samples/client/echo_api/php-nextgen-streaming/src/Model/StringEnumRef.php b/samples/client/echo_api/php-nextgen-streaming/src/Model/StringEnumRef.php
index 337fc1a3f8d..8ab408d1baf 100644
--- a/samples/client/echo_api/php-nextgen-streaming/src/Model/StringEnumRef.php
+++ b/samples/client/echo_api/php-nextgen-streaming/src/Model/StringEnumRef.php
@@ -42,7 +42,6 @@ enum StringEnumRef: string
     case FAILURE = 'failure';
 
     case UNCLASSIFIED = 'unclassified';
-
 }
 
 
diff --git a/samples/client/echo_api/php-nextgen/src/Model/StringEnumRef.php b/samples/client/echo_api/php-nextgen/src/Model/StringEnumRef.php
index 337fc1a3f8d..8ab408d1baf 100644
--- a/samples/client/echo_api/php-nextgen/src/Model/StringEnumRef.php
+++ b/samples/client/echo_api/php-nextgen/src/Model/StringEnumRef.php
@@ -42,7 +42,6 @@ enum StringEnumRef: string
     case FAILURE = 'failure';
 
     case UNCLASSIFIED = 'unclassified';
-
 }
 
 
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/.openapi-generator/FILES b/samples/client/petstore/php-nextgen/OpenAPIClient-php/.openapi-generator/FILES
index ec822fdd883..ebd39c9d9de 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/.openapi-generator/FILES
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/.openapi-generator/FILES
@@ -29,6 +29,7 @@ docs/Model/Dog.md
 docs/Model/EnumArrays.md
 docs/Model/EnumClass.md
 docs/Model/EnumTest.md
+docs/Model/EnumWithNameAndDescription.md
 docs/Model/FakeBigDecimalMap200Response.md
 docs/Model/File.md
 docs/Model/FileSchemaTestClass.md
@@ -91,6 +92,7 @@ src/Model/Dog.php
 src/Model/EnumArrays.php
 src/Model/EnumClass.php
 src/Model/EnumTest.php
+src/Model/EnumWithNameAndDescription.php
 src/Model/FakeBigDecimalMap200Response.php
 src/Model/File.php
 src/Model/FileSchemaTestClass.php
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/README.md b/samples/client/petstore/php-nextgen/OpenAPIClient-php/README.md
index a9cdc4b822c..6b60abeee5f 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/README.md
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/README.md
@@ -138,6 +138,7 @@ Class | Method | HTTP request | Description
 - [EnumArrays](docs/Model/EnumArrays.md)
 - [EnumClass](docs/Model/EnumClass.md)
 - [EnumTest](docs/Model/EnumTest.md)
+- [EnumWithNameAndDescription](docs/Model/EnumWithNameAndDescription.md)
 - [FakeBigDecimalMap200Response](docs/Model/FakeBigDecimalMap200Response.md)
 - [File](docs/Model/File.md)
 - [FileSchemaTestClass](docs/Model/FileSchemaTestClass.md)
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/docs/Model/EnumWithNameAndDescription.md b/samples/client/petstore/php-nextgen/OpenAPIClient-php/docs/Model/EnumWithNameAndDescription.md
new file mode 100644
index 00000000000..ab03446144a
--- /dev/null
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/docs/Model/EnumWithNameAndDescription.md
@@ -0,0 +1,8 @@
+# # EnumWithNameAndDescription
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumClass.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumClass.php
index 309739e44c5..554e0f35942 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumClass.php
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumClass.php
@@ -41,7 +41,6 @@ enum EnumClass: string
     case EFG = '-efg';
 
     case XYZ = '(xyz)';
-
 }
 
 
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumTest.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumTest.php
index e27329183f4..56d1a53b62b 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumTest.php
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumTest.php
@@ -275,9 +275,9 @@ class EnumTest implements ModelInterface, ArrayAccess, JsonSerializable
     public const ENUM_STRING_REQUIRED_UPPER = 'UPPER';
     public const ENUM_STRING_REQUIRED_LOWER = 'lower';
     public const ENUM_STRING_REQUIRED_EMPTY = '';
-    public const ENUM_INTEGER_1 = 1;
+    public const ENUM_INTEGER_NUMBER_1 = 1;
     public const ENUM_INTEGER_MINUS_1 = -1;
-    public const ENUM_NUMBER_1_DOT_1 = 1.1;
+    public const ENUM_NUMBER_NUMBER_1_DOT_1 = 1.1;
     public const ENUM_NUMBER_MINUS_1_DOT_2 = -1.2;
 
     /**
@@ -316,7 +316,7 @@ class EnumTest implements ModelInterface, ArrayAccess, JsonSerializable
     public function getEnumIntegerAllowableValues()
     {
         return [
-            self::ENUM_INTEGER_1,
+            self::ENUM_INTEGER_NUMBER_1,
             self::ENUM_INTEGER_MINUS_1,
         ];
     }
@@ -329,7 +329,7 @@ class EnumTest implements ModelInterface, ArrayAccess, JsonSerializable
     public function getEnumNumberAllowableValues()
     {
         return [
-            self::ENUM_NUMBER_1_DOT_1,
+            self::ENUM_NUMBER_NUMBER_1_DOT_1,
             self::ENUM_NUMBER_MINUS_1_DOT_2,
         ];
     }
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumWithNameAndDescription.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumWithNameAndDescription.php
new file mode 100644
index 00000000000..1bfaa9daf84
--- /dev/null
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/EnumWithNameAndDescription.php
@@ -0,0 +1,57 @@
+<?php
+/**
+ * EnumWithNameAndDescription
+ *
+ * PHP version 8.1
+ *
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+
+/**
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * @generated Generated by: https://openapi-generator.tech
+ * Generator version: 7.9.0-SNAPSHOT
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace OpenAPI\Client\Model;
+
+/**
+ * EnumWithNameAndDescription Class Doc Comment
+ *
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+enum EnumWithNameAndDescription: int
+{
+    /**
+    * The word one
+    */
+    case ONE = 1;
+
+    /**
+    * The digit two
+    */
+    case NUMBER_2 = 2;
+
+    /**
+    * The digit three prefixed by a space
+    */
+    case _3 = 3;
+
+    case NUMBER_4 = 4;
+}
+
+
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnum.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnum.php
index f598c58adce..fc6a2823097 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnum.php
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnum.php
@@ -41,7 +41,6 @@ enum OuterEnum: string
     case APPROVED = 'approved';
 
     case SHIPPED = 'delivered';
-
 }
 
 
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumDefaultValue.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumDefaultValue.php
index e7ef10285c3..f632f5edf57 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumDefaultValue.php
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumDefaultValue.php
@@ -41,7 +41,6 @@ enum OuterEnumDefaultValue: string
     case APPROVED = 'approved';
 
     case SHIPPED = 'delivered';
-
 }
 
 
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumInteger.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumInteger.php
index 06ce80efc30..82650ebdda1 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumInteger.php
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumInteger.php
@@ -41,7 +41,6 @@ enum OuterEnumInteger: int
     case NUMBER_1 = 1;
 
     case NUMBER_2 = 2;
-
 }
 
 
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumIntegerDefaultValue.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumIntegerDefaultValue.php
index e9bd38e2d58..6c00dd1ff12 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumIntegerDefaultValue.php
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/OuterEnumIntegerDefaultValue.php
@@ -41,7 +41,6 @@ enum OuterEnumIntegerDefaultValue: int
     case NUMBER_1 = 1;
 
     case NUMBER_2 = 2;
-
 }
 
 
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/SingleRefType.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/SingleRefType.php
index 797e43f4187..c04d2bc471c 100644
--- a/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/SingleRefType.php
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/SingleRefType.php
@@ -39,7 +39,6 @@ enum SingleRefType: string
     case ADMIN = 'admin';
 
     case USER = 'user';
-
 }
 
 
diff --git a/samples/client/petstore/php-nextgen/OpenAPIClient-php/tests/Model/EnumWithNameAndDescriptionTest.php b/samples/client/petstore/php-nextgen/OpenAPIClient-php/tests/Model/EnumWithNameAndDescriptionTest.php
new file mode 100644
index 00000000000..3b5c2cb1125
--- /dev/null
+++ b/samples/client/petstore/php-nextgen/OpenAPIClient-php/tests/Model/EnumWithNameAndDescriptionTest.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * EnumWithNameAndDescriptionTest
+ *
+ * PHP version 8.1
+ *
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+
+/**
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * @generated Generated by: https://openapi-generator.tech
+ * Generator version: 7.9.0-SNAPSHOT
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Please update the test case below to test the model.
+ */
+
+namespace OpenAPI\Client\Test\Model;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * EnumWithNameAndDescriptionTest Class Doc Comment
+ *
+ * @description EnumWithNameAndDescription
+ * @package     OpenAPI\Client
+ * @author      OpenAPI Generator team
+ * @link        https://openapi-generator.tech
+ */
+class EnumWithNameAndDescriptionTest extends TestCase
+{
+
+    /**
+     * Setup before running any test case
+     */
+    public static function setUpBeforeClass(): void
+    {
+    }
+
+    /**
+     * Setup before running each test case
+     */
+    public function setUp(): void
+    {
+    }
+
+    /**
+     * Clean up after running each test case
+     */
+    public function tearDown(): void
+    {
+    }
+
+    /**
+     * Clean up after running all test cases
+     */
+    public static function tearDownAfterClass(): void
+    {
+    }
+
+    /**
+     * Test "EnumWithNameAndDescription"
+     */
+    public function testEnumWithNameAndDescription()
+    {
+        // TODO: implement
+        self::markTestIncomplete('Not implemented');
+    }
+}
diff --git a/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/FILES b/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/FILES
index 80ecc7a7237..163723370d1 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/FILES
+++ b/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/FILES
@@ -27,6 +27,7 @@ docs/Model/Dog.md
 docs/Model/EnumArrays.md
 docs/Model/EnumClass.md
 docs/Model/EnumTest.md
+docs/Model/EnumWithNameAndDescription.md
 docs/Model/FakeBigDecimalMap200Response.md
 docs/Model/File.md
 docs/Model/FileSchemaTestClass.md
@@ -87,6 +88,7 @@ lib/Model/Dog.php
 lib/Model/EnumArrays.php
 lib/Model/EnumClass.php
 lib/Model/EnumTest.php
+lib/Model/EnumWithNameAndDescription.php
 lib/Model/FakeBigDecimalMap200Response.php
 lib/Model/File.php
 lib/Model/FileSchemaTestClass.php
diff --git a/samples/client/petstore/php/OpenAPIClient-php/README.md b/samples/client/petstore/php/OpenAPIClient-php/README.md
index d27141340c3..175b40d839f 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/README.md
+++ b/samples/client/petstore/php/OpenAPIClient-php/README.md
@@ -138,6 +138,7 @@ Class | Method | HTTP request | Description
 - [EnumArrays](docs/Model/EnumArrays.md)
 - [EnumClass](docs/Model/EnumClass.md)
 - [EnumTest](docs/Model/EnumTest.md)
+- [EnumWithNameAndDescription](docs/Model/EnumWithNameAndDescription.md)
 - [FakeBigDecimalMap200Response](docs/Model/FakeBigDecimalMap200Response.md)
 - [File](docs/Model/File.md)
 - [FileSchemaTestClass](docs/Model/FileSchemaTestClass.md)
diff --git a/samples/client/petstore/php/OpenAPIClient-php/docs/Model/EnumWithNameAndDescription.md b/samples/client/petstore/php/OpenAPIClient-php/docs/Model/EnumWithNameAndDescription.md
new file mode 100644
index 00000000000..ab03446144a
--- /dev/null
+++ b/samples/client/petstore/php/OpenAPIClient-php/docs/Model/EnumWithNameAndDescription.md
@@ -0,0 +1,8 @@
+# # EnumWithNameAndDescription
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
index 89b7352ad5f..83ff467736d 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
@@ -276,9 +276,9 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     public const ENUM_STRING_REQUIRED_UPPER = 'UPPER';
     public const ENUM_STRING_REQUIRED_LOWER = 'lower';
     public const ENUM_STRING_REQUIRED_EMPTY = '';
-    public const ENUM_INTEGER_1 = 1;
+    public const ENUM_INTEGER_NUMBER_1 = 1;
     public const ENUM_INTEGER_MINUS_1 = -1;
-    public const ENUM_NUMBER_1_DOT_1 = 1.1;
+    public const ENUM_NUMBER_NUMBER_1_DOT_1 = 1.1;
     public const ENUM_NUMBER_MINUS_1_DOT_2 = -1.2;
 
     /**
@@ -317,7 +317,7 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     public function getEnumIntegerAllowableValues()
     {
         return [
-            self::ENUM_INTEGER_1,
+            self::ENUM_INTEGER_NUMBER_1,
             self::ENUM_INTEGER_MINUS_1,
         ];
     }
@@ -330,7 +330,7 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     public function getEnumNumberAllowableValues()
     {
         return [
-            self::ENUM_NUMBER_1_DOT_1,
+            self::ENUM_NUMBER_NUMBER_1_DOT_1,
             self::ENUM_NUMBER_MINUS_1_DOT_2,
         ];
     }
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumWithNameAndDescription.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumWithNameAndDescription.php
new file mode 100644
index 00000000000..570fe338101
--- /dev/null
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumWithNameAndDescription.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * EnumWithNameAndDescription
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+
+/**
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.9.0-SNAPSHOT
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace OpenAPI\Client\Model;
+use \OpenAPI\Client\ObjectSerializer;
+
+/**
+ * EnumWithNameAndDescription Class Doc Comment
+ *
+ * @category Class
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+class EnumWithNameAndDescription
+{
+    /**
+     * Possible values of this enum
+     */
+    /**
+     * The word one
+     */
+    public const ONE = 1;
+
+    /**
+     * The digit two
+     */
+    public const NUMBER_2 = 2;
+
+    /**
+     * The digit three prefixed by a space
+     */
+    public const _3 = 3;
+
+    public const NUMBER_4 = 4;
+
+    /**
+     * Gets allowable values of the enum
+     * @return string[]
+     */
+    public static function getAllowableEnumValues()
+    {
+        return [
+            self::ONE,
+            self::NUMBER_2,
+            self::_3,
+            self::NUMBER_4
+        ];
+    }
+}
+
+
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumWithNameAndDescriptionTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumWithNameAndDescriptionTest.php
new file mode 100644
index 00000000000..e3c7e6991ea
--- /dev/null
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumWithNameAndDescriptionTest.php
@@ -0,0 +1,81 @@
+<?php
+/**
+ * EnumWithNameAndDescriptionTest
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+
+/**
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.9.0-SNAPSHOT
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Please update the test case below to test the model.
+ */
+
+namespace OpenAPI\Client\Test\Model;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * EnumWithNameAndDescriptionTest Class Doc Comment
+ *
+ * @category    Class
+ * @description EnumWithNameAndDescription
+ * @package     OpenAPI\Client
+ * @author      OpenAPI Generator team
+ * @link        https://openapi-generator.tech
+ */
+class EnumWithNameAndDescriptionTest extends TestCase
+{
+
+    /**
+     * Setup before running any test case
+     */
+    public static function setUpBeforeClass(): void
+    {
+    }
+
+    /**
+     * Setup before running each test case
+     */
+    public function setUp(): void
+    {
+    }
+
+    /**
+     * Clean up after running each test case
+     */
+    public function tearDown(): void
+    {
+    }
+
+    /**
+     * Clean up after running all test cases
+     */
+    public static function tearDownAfterClass(): void
+    {
+    }
+
+    /**
+     * Test "EnumWithNameAndDescription"
+     */
+    public function testEnumWithNameAndDescription()
+    {
+        // TODO: implement
+        self::markTestIncomplete('Not implemented');
+    }
+}
diff --git a/samples/client/petstore/php/psr-18/.openapi-generator/FILES b/samples/client/petstore/php/psr-18/.openapi-generator/FILES
index 34aee01b39f..26dfe36c4c4 100644
--- a/samples/client/petstore/php/psr-18/.openapi-generator/FILES
+++ b/samples/client/petstore/php/psr-18/.openapi-generator/FILES
@@ -27,6 +27,7 @@ docs/Model/Dog.md
 docs/Model/EnumArrays.md
 docs/Model/EnumClass.md
 docs/Model/EnumTest.md
+docs/Model/EnumWithNameAndDescription.md
 docs/Model/FakeBigDecimalMap200Response.md
 docs/Model/File.md
 docs/Model/FileSchemaTestClass.md
@@ -88,6 +89,7 @@ lib/Model/Dog.php
 lib/Model/EnumArrays.php
 lib/Model/EnumClass.php
 lib/Model/EnumTest.php
+lib/Model/EnumWithNameAndDescription.php
 lib/Model/FakeBigDecimalMap200Response.php
 lib/Model/File.php
 lib/Model/FileSchemaTestClass.php
diff --git a/samples/client/petstore/php/psr-18/README.md b/samples/client/petstore/php/psr-18/README.md
index e06bbb21aef..001ba90f947 100644
--- a/samples/client/petstore/php/psr-18/README.md
+++ b/samples/client/petstore/php/psr-18/README.md
@@ -149,6 +149,7 @@ Class | Method | HTTP request | Description
 - [EnumArrays](docs/Model/EnumArrays.md)
 - [EnumClass](docs/Model/EnumClass.md)
 - [EnumTest](docs/Model/EnumTest.md)
+- [EnumWithNameAndDescription](docs/Model/EnumWithNameAndDescription.md)
 - [FakeBigDecimalMap200Response](docs/Model/FakeBigDecimalMap200Response.md)
 - [File](docs/Model/File.md)
 - [FileSchemaTestClass](docs/Model/FileSchemaTestClass.md)
diff --git a/samples/client/petstore/php/psr-18/docs/Model/EnumWithNameAndDescription.md b/samples/client/petstore/php/psr-18/docs/Model/EnumWithNameAndDescription.md
new file mode 100644
index 00000000000..ab03446144a
--- /dev/null
+++ b/samples/client/petstore/php/psr-18/docs/Model/EnumWithNameAndDescription.md
@@ -0,0 +1,8 @@
+# # EnumWithNameAndDescription
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+[[Back to Model list]](../../README.md#models) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)
diff --git a/samples/client/petstore/php/psr-18/lib/Model/EnumTest.php b/samples/client/petstore/php/psr-18/lib/Model/EnumTest.php
index 89b7352ad5f..83ff467736d 100644
--- a/samples/client/petstore/php/psr-18/lib/Model/EnumTest.php
+++ b/samples/client/petstore/php/psr-18/lib/Model/EnumTest.php
@@ -276,9 +276,9 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     public const ENUM_STRING_REQUIRED_UPPER = 'UPPER';
     public const ENUM_STRING_REQUIRED_LOWER = 'lower';
     public const ENUM_STRING_REQUIRED_EMPTY = '';
-    public const ENUM_INTEGER_1 = 1;
+    public const ENUM_INTEGER_NUMBER_1 = 1;
     public const ENUM_INTEGER_MINUS_1 = -1;
-    public const ENUM_NUMBER_1_DOT_1 = 1.1;
+    public const ENUM_NUMBER_NUMBER_1_DOT_1 = 1.1;
     public const ENUM_NUMBER_MINUS_1_DOT_2 = -1.2;
 
     /**
@@ -317,7 +317,7 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     public function getEnumIntegerAllowableValues()
     {
         return [
-            self::ENUM_INTEGER_1,
+            self::ENUM_INTEGER_NUMBER_1,
             self::ENUM_INTEGER_MINUS_1,
         ];
     }
@@ -330,7 +330,7 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     public function getEnumNumberAllowableValues()
     {
         return [
-            self::ENUM_NUMBER_1_DOT_1,
+            self::ENUM_NUMBER_NUMBER_1_DOT_1,
             self::ENUM_NUMBER_MINUS_1_DOT_2,
         ];
     }
diff --git a/samples/client/petstore/php/psr-18/lib/Model/EnumWithNameAndDescription.php b/samples/client/petstore/php/psr-18/lib/Model/EnumWithNameAndDescription.php
new file mode 100644
index 00000000000..570fe338101
--- /dev/null
+++ b/samples/client/petstore/php/psr-18/lib/Model/EnumWithNameAndDescription.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * EnumWithNameAndDescription
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+
+/**
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.9.0-SNAPSHOT
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+namespace OpenAPI\Client\Model;
+use \OpenAPI\Client\ObjectSerializer;
+
+/**
+ * EnumWithNameAndDescription Class Doc Comment
+ *
+ * @category Class
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+class EnumWithNameAndDescription
+{
+    /**
+     * Possible values of this enum
+     */
+    /**
+     * The word one
+     */
+    public const ONE = 1;
+
+    /**
+     * The digit two
+     */
+    public const NUMBER_2 = 2;
+
+    /**
+     * The digit three prefixed by a space
+     */
+    public const _3 = 3;
+
+    public const NUMBER_4 = 4;
+
+    /**
+     * Gets allowable values of the enum
+     * @return string[]
+     */
+    public static function getAllowableEnumValues()
+    {
+        return [
+            self::ONE,
+            self::NUMBER_2,
+            self::_3,
+            self::NUMBER_4
+        ];
+    }
+}
+
+
diff --git a/samples/client/petstore/php/psr-18/test/Model/EnumWithNameAndDescriptionTest.php b/samples/client/petstore/php/psr-18/test/Model/EnumWithNameAndDescriptionTest.php
new file mode 100644
index 00000000000..e3c7e6991ea
--- /dev/null
+++ b/samples/client/petstore/php/psr-18/test/Model/EnumWithNameAndDescriptionTest.php
@@ -0,0 +1,81 @@
+<?php
+/**
+ * EnumWithNameAndDescriptionTest
+ *
+ * PHP version 7.4
+ *
+ * @category Class
+ * @package  OpenAPI\Client
+ * @author   OpenAPI Generator team
+ * @link     https://openapi-generator.tech
+ */
+
+/**
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://openapi-generator.tech
+ * Generator version: 7.9.0-SNAPSHOT
+ */
+
+/**
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Please update the test case below to test the model.
+ */
+
+namespace OpenAPI\Client\Test\Model;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * EnumWithNameAndDescriptionTest Class Doc Comment
+ *
+ * @category    Class
+ * @description EnumWithNameAndDescription
+ * @package     OpenAPI\Client
+ * @author      OpenAPI Generator team
+ * @link        https://openapi-generator.tech
+ */
+class EnumWithNameAndDescriptionTest extends TestCase
+{
+
+    /**
+     * Setup before running any test case
+     */
+    public static function setUpBeforeClass(): void
+    {
+    }
+
+    /**
+     * Setup before running each test case
+     */
+    public function setUp(): void
+    {
+    }
+
+    /**
+     * Clean up after running each test case
+     */
+    public function tearDown(): void
+    {
+    }
+
+    /**
+     * Clean up after running all test cases
+     */
+    public static function tearDownAfterClass(): void
+    {
+    }
+
+    /**
+     * Test "EnumWithNameAndDescription"
+     */
+    public function testEnumWithNameAndDescription()
+    {
+        // TODO: implement
+        self::markTestIncomplete('Not implemented');
+    }
+}