public function listFiles($directory) {
		$files = [];
		
		$iterator = $this->getClient()->getIterator('ListObjects', [
			'Bucket' => $this->bucket,
			'Prefix' => $directory,
		]);

		foreach ($iterator as $object) {
			// don't return directories
			if(substr($object['Key'], -1) != '/') {
				$file = [
					'path' => $object['Key'],
					'name' => substr($object['Key'], strrpos($object['Key'], '/' ) + 1),
					'type' => $object['StorageClass'],
					'size' => (int)$object['Size'],
				];
				$files[] = $file;
			}
		}
		
		return $files;
	}
public function listFiles($directory) {
		$files = [];
		
		$iterator = $this->getClient()->getIterator('ListObjects', [
			'Bucket' => $this->bucket,
			'Prefix' => $directory,
		]);

		foreach ($iterator as $object) {
			// don't return directories
			if(substr($object['Key'], -1) != '/') {
				$file = [
					'path' => $object['Key'],
					'name' => substr($object['Key'], strrpos($object['Key'], '/' ) + 1),
					'type' => $object['StorageClass'],
					'size' => (int)$object['Size'],
				];
				$files[] = $file;
			}
		}
		
		return $files;
	}
Return the full path a file names only (no directories) within s3 virtual "directory" by treating s3 keys as path names.
@param string $directory the prefix of keys to find
@return array of ['path' => string, 'name' => string, 'type' => string, 'size' => int]