Add /** @var SplFileInfo $fileInfo */ docs where needed

Change-Id: Ia844af3347db52f9f004892578ba4aefac7dd875

includes/ForeignResourceManager.php

@@ -234,6 +234,7 @@ class ForeignResourceManager {
 						$from,
 						RecursiveDirectoryIterator::SKIP_DOTS
 					) );
+					/** @var SplFileInfo $file */
 					foreach ( $rii as $file ) {
 						$remote = $file->getPathname();
 						$local = strtr( $remote, [ $from => $to ] );

maintenance/findHooks.php

@@ -320,6 +320,7 @@ class FindHooks extends Maintenance {
 			$iterator = new DirectoryIterator( $dir );
 		}
 
+		/** @var SplFileInfo $info */
 		foreach ( $iterator as $info ) {
 			// Ignore directories, work only on php files,
 			if ( $info->isFile() && in_array( $info->getExtension(), [ 'php', 'inc' ] )

maintenance/generateJsonI18n.php

@@ -79,6 +79,7 @@ class GenerateJsonI18n extends Maintenance {
 			$dir_iterator = new RecursiveDirectoryIterator( dirname( $phpfile ) );
 			$iterator = new RecursiveIteratorIterator(
 				$dir_iterator, RecursiveIteratorIterator::LEAVES_ONLY );
+			/** @var SplFileInfo $fileObject */
 			foreach ( $iterator as $path => $fileObject ) {
 				if ( fnmatch( "*.i18n.php", $fileObject->getFilename() ) ) {
 					$this->output( "Converting $path.\n" );

maintenance/hhvm/makeRepo.php

@@ -149,6 +149,7 @@ class HHVMMakeRepo extends Maintenance {
 			),
 			RecursiveIteratorIterator::LEAVES_ONLY
 		);
+		/** @var SplFileInfo $fileInfo */
 		foreach ( $iter as $file => $fileInfo ) {
 			if ( $fileInfo->isFile() ) {
 				$files[] = $file;