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      Reviving an old PHP project
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      <p>I use Gmail/Google Apps for my email address, and I used to use a LOT of filters.</p>

      <p>Inspired by a Ruby gem, I created a PHP library that allows me to declare my filters in PHP and create them in XML.</p>

      <p>I could import the generated XML into Gmail to create the filters.</p>

      <h2 id="gmail-filter-buider">Gmail Filter Buider</h2>

      <p>The project is <a href="https://github.com/opdavies/gmail-filter-builder/tree/3.x">Gmail Filter Builder</a>, and the last commit was in July 2020.</p>

      <p>It was based on PHP 7 (unsupported since November 2022) and uses five Symfony components and several other packages.</p>

      <p>Today, as I looked at my current Gmail filters, I decided to revisit and update Gmail Filter Builder.</p>

      <h2 id="updating-the-project">Updating the project</h2>

      <p>I set PHP 8.1 as the minimum required version and used a Nix Flake to ensure this was available.</p>

      <p>I updated the Symfony components from the 3.x versions to 6.x, the latest versions compatible with PHP 8.1. I also updated the other PHP packages to their compatible versions.</p>

      <p>After some small changes to the application's code, it worked with PHP 8.1 and generated filters.</p>

      <p>Once it worked, I updated <a href="https://github.com/opdavies/gmail-filter-builder/tree/3.x/examples">the examples</a>.</p>

      <p>Whilst it wasn't a difficult process in this instance, having a test suite I could rely on helped me to know it worked as expected during the upgrade.</p>

      <p>I don't know if I'll continue to use or maintain Gmail Filter Builder again, but it was an interesting exercise to do this morning.</p>

              
    format: full_html
    processed: |
      <p>I use Gmail/Google Apps for my email address, and I used to use a LOT of filters.</p>

      <p>Inspired by a Ruby gem, I created a PHP library that allows me to declare my filters in PHP and create them in XML.</p>

      <p>I could import the generated XML into Gmail to create the filters.</p>

      <h2 id="gmail-filter-buider">Gmail Filter Buider</h2>

      <p>The project is <a href="https://github.com/opdavies/gmail-filter-builder/tree/3.x">Gmail Filter Builder</a>, and the last commit was in July 2020.</p>

      <p>It was based on PHP 7 (unsupported since November 2022) and uses five Symfony components and several other packages.</p>

      <p>Today, as I looked at my current Gmail filters, I decided to revisit and update Gmail Filter Builder.</p>

      <h2 id="updating-the-project">Updating the project</h2>

      <p>I set PHP 8.1 as the minimum required version and used a Nix Flake to ensure this was available.</p>

      <p>I updated the Symfony components from the 3.x versions to 6.x, the latest versions compatible with PHP 8.1. I also updated the other PHP packages to their compatible versions.</p>

      <p>After some small changes to the application's code, it worked with PHP 8.1 and generated filters.</p>

      <p>Once it worked, I updated <a href="https://github.com/opdavies/gmail-filter-builder/tree/3.x/examples">the examples</a>.</p>

      <p>Whilst it wasn't a difficult process in this instance, having a test suite I could rely on helped me to know it worked as expected during the upgrade.</p>

      <p>I don't know if I'll continue to use or maintain Gmail Filter Builder again, but it was an interesting exercise to do this morning.</p>

              
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