[Routing] Discard in-memory cache of routes when writing the file-based cache #57645
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The
Router
has aprivate static ?array $cache
field that it uses to cache compiled route collections in the case that OpCache is not available to cache the file-based cache already. This is somewhat a poor man's Opcache replacement, useful e. g. for speedups during (functional) tests.\Symfony\Component\Config\ResourceCheckerConfigCache::write
contains special code to make sure the OpCache will reload files after they have been written, but thestatic
property kind of "hides" this feature.With this PR, the
static
cache entry is cleared as well.