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_TYPE (integer)

Return the mime type. Available since PHP 5.3.0.

FILEINFO_MIME_ENCODING (integer)

Return the mime encoding of the file. Available since PHP 5.3.0.

FILEINFO_MIME (integer)

Return the mime type and mime encoding as defined by RFC 2045.

FILEINFO_COMPRESS (integer)

Decompress compressed files. Disabled since PHP 5.3.0 due to thread safety issues.

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.