> */ private static array $cache = []; /** * @phpcsSuppress SlevomatCodingStandard.TypeHints.DisallowMixedTypeHint * @return mixed */ public static function getAndSetIfNotCached(File $phpcsFile, string $key, Closure $lazyValue) { $fixerLoops = $phpcsFile->fixer !== null ? $phpcsFile->fixer->loops : 0; $internalKey = sprintf('%s-%s', $phpcsFile->getFilename(), $key); self::setIfNotCached($fixerLoops, $internalKey, $lazyValue); return self::$cache[$fixerLoops][$internalKey] ?? null; } private static function setIfNotCached(int $fixerLoops, string $internalKey, Closure $lazyValue): void { if (array_key_exists($fixerLoops, self::$cache) && array_key_exists($internalKey, self::$cache[$fixerLoops])) { return; } self::$cache[$fixerLoops][$internalKey] = $lazyValue(); if ($fixerLoops > 0) { unset(self::$cache[$fixerLoops - 1]); } } }