预定义常量

以下常量由本扩展模块定义，因此只有在本扩展模块被编译到 PHP 中，或者在运行时被动态加载后才有效。

FILEINFO_NONE (integer)

No special handling.

FILEINFO_SYMLINK (integer)

Follow symlinks.

FILEINFO_MIME (integer)

Return a mime string, instead of a textual description.

FILEINFO_COMPRESS (integer)

Decompress compressed files.

FILEINFO_DEVICES (integer)

Look at the contents of blocks or character special devices.

FILEINFO_CONTINUE (integer)

Return all matches, not just the first.

FILEINFO_PRESERVE_ATIME (integer)

If possible preserve the original access time.

FILEINFO_RAW (integer)

Don't translate unprintable characters to a \ooo octal representation.