src/services/HtmlcacheService.php
public function checkForCacheFile()
    {
        // first check if we can create a file
        if (!$this->canCreateCacheFile()) {
            return;
        }
        $cacheEntry = HtmlCacheCache::findOne(['uri' => $this->uri, 'siteId' => $this->siteId]);

        // check if cache exists
        if ($cacheEntry) {
            $file = $this->getCacheFileName($cacheEntry->uid);
            if (file_exists($file)) {
                // load cache - may return false if cache has expired
                if ($this->loadCache($file)) {
                    return \Craft::$app->end();
                }
            }
        }
        // Turn output buffering on
        ob_start();
    }
public function checkForCacheFile()
    {
        // first check if we can create a file
        if (!$this->canCreateCacheFile()) {
            return;
        }
        $cacheEntry = HtmlCacheCache::findOne(['uri' => $this->uri, 'siteId' => $this->siteId]);

        // check if cache exists
        if ($cacheEntry) {
            $file = $this->getCacheFileName($cacheEntry->uid);
            if (file_exists($file)) {
                // load cache - may return false if cache has expired
                if ($this->loadCache($file)) {
                    return \Craft::$app->end();
                }
            }
        }
        // Turn output buffering on
        ob_start();
    }
public function checkForCacheFile ( ) { // first check if we can create a file
 if ( ! $ this -> canCreateCacheFile ( ) ) { return ; } $ cacheEntry = HtmlCacheCache :: findOne ( [ 'uri' => $ this -> uri , 'siteId' => $ this -> siteId ] ) ; // check if cache exists
 if ( $ cacheEntry ) { $ file = $ this -> getCacheFileName ( $ cacheEntry -> uid ) ; if ( file_exists ( $ file ) ) { // load cache - may return false if cache has expired
 if ( $ this -> loadCache ( $ file ) ) { return \ Craft :: $ app -> end ( ) ; } } } // Turn output buffering on
 ob_start ( ) ; }
Check if cache file exists

@return void
Check if cache file exists