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<?php |
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namespace Liip\ImagineBundle\Imagine\Cache; |
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use Liip\ImagineBundle\Imagine\Cache\Warmer\WarmerInterface; |
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use Liip\ImagineBundle\Imagine\Data\DataManager; |
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use Liip\ImagineBundle\Imagine\Filter\FilterManager; |
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/** |
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* Class CacheWarmer |
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* |
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* @author Konstantin Tjuterev <[email protected]> |
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*/ |
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class CacheWarmer |
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{ |
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/** |
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* @var WarmerInterface[] |
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*/ |
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protected $warmers = array(); |
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/** |
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* Chunk size to query warmer in one step |
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* |
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* @var int |
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*/ |
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protected $chunkSize = 100; |
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/** |
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* @var CacheManager |
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*/ |
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protected $cacheManager; |
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/** |
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* @var DataManager |
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*/ |
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protected $dataManager; |
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/** |
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* @var FilterManager |
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*/ |
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protected $filterManager; |
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/** |
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* @var callable |
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*/ |
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protected $loggerClosure; |
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public function __construct(DataManager $dataManager, FilterManager $filterManager) |
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{ |
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$this->dataManager = $dataManager; |
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$this->filterManager = $filterManager; |
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} |
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/** |
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* @param int $chunkSize |
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* |
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* @return CacheWarmer |
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*/ |
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public function setChunkSize($chunkSize) |
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{ |
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$this->chunkSize = $chunkSize; |
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return $this; |
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} |
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/** |
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* Sets logger closure - a callable which will be passed verbose messages |
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* |
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* @param callable $loggerClosure |
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* |
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* @return CacheWarmer |
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*/ |
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public function setLoggerClosure($loggerClosure) |
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{ |
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$this->loggerClosure = $loggerClosure; |
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return $this; |
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} |
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/** |
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* @param \Liip\ImagineBundle\Imagine\Cache\CacheManager $cacheManager |
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* |
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* @return CacheWarmer |
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*/ |
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public function setCacheManager($cacheManager) |
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{ |
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$this->cacheManager = $cacheManager; |
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return $this; |
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} |
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public function addWarmer($name, WarmerInterface $warmer) |
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{ |
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$this->warmers[$name] = $warmer; |
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} |
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/** |
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* @param bool $force If set to true, cache is warmed up for paths already stored in cached (regenerate thumbs) |
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* @param null|array $selectedWarmers An optional array of warmers to process, if null - all warmers will be processed |
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* |
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* @return void |
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* @throws \InvalidArgumentException |
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*/ |
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public function warm($force = false, $selectedWarmers = null) |
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{ |
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$filtersByWarmer = $this->getFiltersByWarmers(); |
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if (!$filtersByWarmer) { |
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$this->log(sprintf('No warmes are configured - add some as `warmers` param in your filter sets')); |
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return; |
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} |
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foreach ($filtersByWarmer as $warmerName => $filters) { |
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if (isset($selectedWarmers) && !empty($selectedWarmers) && !in_array($warmerName, $selectedWarmers)) { |
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$this->log( |
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sprintf( |
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'Skipping warmer %s as it\'s not listed in selected warmers: [%s]', |
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$warmerName, |
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join(', ', $selectedWarmers) |
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) |
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); |
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continue; |
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} |
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if (!isset($this->warmers[$warmerName])) { |
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throw new \InvalidArgumentException(sprintf( |
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'Could not find warmer "%s"', $warmerName |
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)); |
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} |
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$this->log(sprintf('Processing warmer "%s"', $warmerName)); |
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$start = 0; |
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$warmer = $this->warmers[$warmerName]; |
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while ($paths = $warmer->getPaths($start, $this->chunkSize)) { |
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$this->log( |
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sprintf( |
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'Processing chunk %d - %d for warmer "%s"', |
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$start, |
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$start + $this->chunkSize, |
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$warmerName |
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) |
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); |
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$warmedPaths = $this->warmPaths($paths, $filters, $force); |
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$warmer->setWarmed($warmedPaths); |
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$start += count($paths) - count($warmedPaths); |
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} |
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$this->log(sprintf('Finished processing warmer "%s"', $warmerName)); |
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} |
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} |
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public function clearWarmed($paths, $filters) |
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{ |
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$filtersByWarmer = $this->getFiltersByWarmers(); |
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foreach ($filtersByWarmer as $warmerName => $warmerFilters) { |
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if (array_intersect($filters, $warmerFilters)) { |
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if (!isset($this->warmers[$warmerName])) { |
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throw new \InvalidArgumentException(sprintf( |
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'Could not find warmer "%s"', $warmerName |
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)); |
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} |
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$warmer = $this->warmers[$warmerName]; |
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$warmer->clearWarmed($paths); |
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} |
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} |
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} |
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protected function getFiltersByWarmers() |
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{ |
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$all = $this->filterManager->getFilterConfiguration()->all(); |
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$warmers = array(); |
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foreach ($all as $filterSet => $config) { |
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if (isset($config['warmers']) && $config['warmers']) { |
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foreach ($config['warmers'] as $warmer) { |
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if (!isset($warmers[$warmer])) { |
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$warmers[$warmer] = array($filterSet); |
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} else { |
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$warmers[$warmer][] = $filterSet; |
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} |
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} |
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} |
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} |
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return $warmers; |
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} |
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/** |
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* @param array $paths |
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* @param array $filters |
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* @param bool $force |
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* |
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* @return array |
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*/ |
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protected function warmPaths($paths, $filters, $force) |
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{ |
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$successfulWarmedPaths = []; |
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foreach ($paths as $pathData) { |
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$aPath = $pathData['path']; |
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$binaries = array(); |
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foreach ($filters as $filter) { |
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$this->log(sprintf('Warming up path "%s" for filter "%s"', $aPath, $filter)); |
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$isStored = $this->cacheManager->isStored($aPath, $filter); |
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if ($force || !$isStored) { |
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// this is to avoid loading binary with the same loader for multiple filters |
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$loader = $this->dataManager->getLoader($filter); |
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$isStored = false; |
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try { |
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$hash = spl_object_hash($loader); |
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if (!isset($binaries[$hash])) { |
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// if NotLoadable is thrown - it will just bubble up |
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// everything returned by Warmer should be loadable |
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$binaries[$hash] = $this->dataManager->find($filter, $aPath); |
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} |
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$this->cacheManager->store( |
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$this->filterManager->applyFilter($binaries[$hash], $filter), |
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$aPath, |
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$filter |
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); |
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$isStored = true; |
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} catch (\RuntimeException $e) { |
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$message = sprintf('Unable to warm cache for filter "%s", due to - "%s"', |
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$filter, $e->getMessage()); |
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$this->log($message, 'error'); |
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} |
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} |
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if ($isStored) { |
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$successfulWarmedPaths[] = $pathData; |
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} |
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} |
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} |
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return $successfulWarmedPaths; |
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} |
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protected function log($message, $type = 'info') |
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{ |
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if (is_callable($this->loggerClosure)) { |
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$loggerClosure = $this->loggerClosure; |
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$loggerClosure($message, $type); |
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} |
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} |
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} |
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liip /
LiipImagineBundle
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.