Add php-enum to legacy-libraries

data/legacy-libraries.json

@@ -252,5 +252,17 @@
         "licenseversion": "2.0",
         "repository": "https://github.com/box/spout/",
         "customised": false
+    },
+    {
+        "copyrightHolders": [
+            "2015 My C-Labs"
+        ],
+        "location": "lib/php-enum",
+        "name": "php-enum",
+        "description": "PHP Enum implementation inspired from SplEnum",
+        "version": "1.8.4",
+        "license": "MIT",
+        "repository": "https://github.com/myclabs/php-enum",
+        "customised": false
     }
 ]

general/community/credits/thirdpartylibs.md

@@ -1451,6 +1451,23 @@ This library is not currently used in Moodle
   - 2004-2008 The PHP Group
   - 2004-2008 Stephan Schmidt
 
+### php-enum
+
+PHP Enum implementation inspired from SplEnum
+
+:::danger Outdated
+
+This library is not currently used in Moodle
+
+:::
+
+- **Location**: lib/php-enum
+- **Version**: 1.8.4
+- **License**:  MIT
+- **URL**: [https://github.com/myclabs/php-enum](https://github.com/myclabs/php-enum)
+- **Copyright holders**:
+  - 2015 My C-Labs
+
 ### PHPExcel
 
 Library to read, write and create spreadsheet documents in PHP.