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feat(static): add deepclone to the default extensions - #2699
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This was referenced Oct 8, 2026
dunglas
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deepclone is the native implementation of Symfony's
DeepCloner: from symfony/var-exporter 8.1,VarExporter::export()(so thecache.systemPHP files) and theArrayAdaptergo throughdeepclone_to_array(), using the pure-PHP polyfill when the extension isn't loaded. The extension is several times faster on large object graphs.static-php-cli already knows it (
config/ext.json, sourced from the GitHub tags of symfony/php-ext-deepclone), so it's only a matter of adding it to the default list.Related: dunglas/symfony-docker#972 installs it in the Docker image, symfony/php-ext-deepclone#63 makes that possible with install-php-extensions.