*/ enum ChunkType { case ALPH; case ANIM; case ANMF; case EXIF; case ICCP; case VP8; case VP8L; case VP8X; case XMP; case UnknownChunk; public static function fromFourCC(string $fourCC): self { return match ($fourCC) { "ALPH" => self::ALPH, "ANIM" => self::ANIM, "ANMF" => self::ANMF, "EXIF" => self::EXIF, "ICCP" => self::ICCP, "VP8 " => self::VP8, "VP8L" => self::VP8L, "VP8X" => self::VP8X, "XMP " => self::XMP, default => self::UnknownChunk, }; } }