Finds a file by class name while caching lookups to WinCache.
string $class A class name to resolve to file:
string|null
public function findFile($class) {
if (false === ($file = wincache_ucache_get($this->prefix . $class))) {
wincache_ucache_set($this->prefix . $class, $file = $this->decorated
->findFile($class), 0);
}
return $file;
}