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@@ -16,6 +16,12 @@ Our fork offers the following enchancements:
* Base32 encoding
* Uses `pack()` and `unpack()` instead of `chr()` and `ord()`
+## PHP Version Requirements
+
+This library should work on any [supported version of PHP](https://secure.php.net/supported-versions.php).
+It *may* work on earlier versions, but we **do not** guarantee it. If it
+doesn't, we **will not** fix it to work on earlier versions of PHP.
+
## How to Install
```sh