WP_Http_Encoding::decompress( string $compressed, int $length = null ): string|false

51	public static function decompress( $compressed, $length = null ) {52 53		if ( empty( $compressed ) ) {54			return $compressed;55		}56 57		$decompressed = @gzinflate( $compressed );58		if ( false !== $decompressed ) {59			return $decompressed;60		}61 62		$decompressed = self::compatible_gzinflate( $compressed );63		if ( false !== $decompressed ) {64			return $decompressed;65		}66 67		$decompressed = @gzuncompress( $compressed );68		if ( false !== $decompressed ) {69			return $decompressed;70		}71 72		if ( function_exists( 'gzdecode' ) ) {73			$decompressed = @gzdecode( $compressed );74 75			if ( false !== $decompressed ) {76				return $decompressed;77			}78		}79 80		return $compressed;81	}