下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。
FILEINFO_NONE
     (integer)
   
   FILEINFO_SYMLINK
     (integer)
   
   FILEINFO_MIME_TYPE
     (integer)
   
   FILEINFO_MIME_ENCODING
     (integer)
   
   FILEINFO_MIME
     (integer)
   
   FILEINFO_COMPRESS
     (integer)
   
   FILEINFO_DEVICES
     (integer)
   
   FILEINFO_CONTINUE
     (integer)
   
   FILEINFO_PRESERVE_ATIME
     (integer)
   
   FILEINFO_RAW
     (integer)