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Symfony Polyfill / Php73
========================

This component provides functions added to PHP 7.3 core:

- [`array_key_first`](https://php.net/array_key_first)
- [`array_key_last`](https://php.net/array_key_last)
- [`hrtime`](https://php.net/function.hrtime)
- [`is_countable`](https://php.net/is_countable)
- [`JsonException`](https://php.net/JsonException)

More information can be found in the
[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

License
=======

This library is released under the [MIT license](LICENSE).