name : GeneralPurposeBitFlag.php <?php declare(strict_types=1); namespace ZipStream; /** * @internal */ abstract class GeneralPurposeBitFlag { /** * If set, indicates that the file is encrypted. */ public const ENCRYPTED = 1 << 0; /** * (For Methods 8 and 9 - Deflating) * Normal (-en) compression option was used. */ public const DEFLATE_COMPRESSION_NORMAL = 0 << 1; /** * (For Methods 8 and 9 - Deflating) * Maximum (-exx/-ex) compression option was used. */ public const DEFLATE_COMPRESSION_MAXIMUM = 1 << 1; /** * (For Methods 8 and 9 - Deflating) * Fast (-ef) compression option was used. */ public const DEFLATE_COMPRESSION_FAST = 10 << 1; /** * (For Methods 8 and 9 - Deflating) * Super Fast (-es) compression option was used. */ public const DEFLATE_COMPRESSION_SUPERFAST = 11 << 1; /** * If the compression method used was type 14, * LZMA, then this bit, if set, indicates * an end-of-stream (EOS) marker is used to * mark the end of the compressed data stream. * If clear, then an EOS marker is not present * and the compressed data size must be known * to extract. */ public const LZMA_EOS = 1 << 1; /** * If this bit is set, the fields crc-32, compressed * size and uncompressed size are set to zero in the * local header. The correct values are put in the * data descriptor immediately following the compressed * data. */ public const ZERO_HEADER = 1 << 3; /** * If this bit is set, this indicates that the file is * compressed patched data. */ public const COMPRESSED_PATCHED_DATA = 1 << 5; /** * Strong encryption. If this bit is set, you MUST * set the version needed to extract value to at least * 50 and you MUST also set bit 0. If AES encryption * is used, the version needed to extract value MUST * be at least 51. */ public const STRONG_ENCRYPTION = 1 << 6; /** * Language encoding flag (EFS). If this bit is set, * the filename and comment fields for this file * MUST be encoded using UTF-8. */ public const EFS = 1 << 11; /** * Set when encrypting the Central Directory to indicate * selected data values in the Local Header are masked to * hide their actual values. */ public const ENCRYPT_CENTRAL_DIRECTORY = 1 << 13; }