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Co-authored-by: Hypolite Petovan <hypolite@mrpetovan.com>

src/Core/Config/Util/ConfigFileManager.php

@@ -257,13 +257,14 @@ class ConfigFileManager
 					// When reading the config file too fast, we get a wrong filesize, "clearstatcache" prevents that
 					clearstatcache(true, $filename);
 					$content = fread($configStream, filesize($filename));
-					// Event truncating the whole content wouldn't automatically rewind the stream,
-					// so we need to do it manually
-					rewind($configStream);
 					if (!$content) {
 						throw new ConfigFileException(sprintf('Cannot read file %s', $filename));
 					}
 
+					// Event truncating the whole content wouldn't automatically rewind the stream,
+					// so we need to do it manually
+					rewind($configStream);
+
 					$dataArray = eval('?>' . $content);
 
 					// Merge the new content into the existing file based config cache and use it
@@ -279,7 +280,6 @@ class ConfigFileManager
 				$data = $configCache->getDataBySource(Cache::SOURCE_DATA);
 
 				$encodedData = ConfigFileTransformer::encode($data);
-
 				if (!$encodedData) {
 					throw new ConfigFileException('config source cannot get encoded');
 				}

src/Core/Config/Util/ConfigFileTransformer.php

@@ -34,7 +34,6 @@ class ConfigFileTransformer
 		$categories = array_keys($data);
 
 		foreach ($categories as $category) {
-
 			if (is_null($data[$category])) {
 				$dataString .= "\t'$category' => null," . PHP_EOL;
 				continue;