Refactor Disk, MediaExporter, HLSExporter, and MediaOpener for PHP 7.…#537

JaydeepRokade wants to merge 1 commit intoprotonemedia:mainprotonemedia/laravel-ffmpeg:mainfrom

JaydeepRokade:improve-disk-mediaexporter-cleanupJaydeepRokade/laravel-ffmpeg:improve-disk-mediaexporter-cleanupCopy head branch name to clipboard