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# Nix for PHP Developers

<br />

### Oliver Davies

https://www.oliverdavies.uk

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What is Nix? Nixpkgs? NixOS?

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Home Manager

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Nixvim

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Moved from Ansible

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How do people have PHP installed currently?

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# Who has project-specific versions of PHP?

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# search.nixos.org

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![center](nix-search.png)

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shell.nix

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Flakes

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devshells

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```
nix run nixpkgs#php -- -v

PHP 8.4.10 (cli) (built: Jul  2 2025 02:22:42) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.4.10, Copyright (c) Zend Technologies
    with Zend OPcache v8.4.10, Copyright (c), by Zend Technologies
```

```
nix run nixpkgs#php83 -- -v

PHP 8.3.23 (cli) (built: Jul  1 2025 16:52:12) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.3.23, Copyright (c) Zend Technologies
    with Zend OPcache v8.3.23, Copyright (c), by Zend Technologies
```

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```
nix develop github:opdavies/dev-shells#php82 -c composer -V

PHP 8.2.28 (cli) (built: Mar 11 2025 17:58:12) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.2.28, Copyright (c) Zend Technologies
    with Zend OPcache v8.2.28, Copyright (c), by Zend Technologies
Composer version 2.8.5 2025-01-21 15:23:40
```

```
nix develop github:opdavies/dev-shells#php83 -c composer -V

PHP 8.3.22 (cli) (built: Jun  3 2025 17:17:57) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.3.22, Copyright (c) Zend Technologies
    with Zend OPcache v8.3.22, Copyright (c), by Zend Technologies
Composer version 2.8.5 2025-01-21 15:23:40
```

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Services.flake

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# Thanks

- https://www.oliverdavies.uk/nix-php-developers
- https://www.oliverdavies.uk/presentations
- https://www.oliverdavies.uk/daily
- https://www.oliverdavies.uk/podcast