New RFC Proposes Bundled user_cache Extension for PHP
PHP Internals ([RFC]/[VOTE]) · July 19, 2026
curated by Sönke
Go Kudo has published a new RFC proposing a bundled user_cache extension, replacing his earlier OPcache Static Cache proposal after feedback about feature creep. The extension is built independently of OPcache. Implementation is available as PHP core PR #22730. Kudo is unsure it will meet the PHP 8.6 feature freeze and may target 8.7 instead, but hopes library authors can benefit sooner.
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