Every ewiki database entry has a {flags} fields, which tells about the type of the current page or/and access permissions. The {flags} is an integer value, whose bit values define the PageType or AccessPermissions: bissell filters Backyard Birding Potty Training hoover filters Pin Vices

bit flag name meaning
0 *_DB_F_TEXT an ordinary WikiPage
1 _DB_F_BINARY binary content / uploaded file / image
2 *_DB_F_DISABLED inaccessibility flags
3 *_DB_F_HTML a *FeatureFlag, which allows plain <html> to be used in the page
4 *_DB_F_READONLY page cannot be edited
5 *_DB_F_WRITEABLE overrides the _READONLY flag
6 *_DB_F_APPENDONLY plugins handle this flag, which tells, that a page cannot be further edited as whole, and text can only be appended to the end of it
7 _DB_F_SYSTEM ewiki control data / internal use only
8 _DB_F_PART belongs to another database entry, and cannot be used alone
9 - reserved
10 _DB_F_HIDDEN makes page disappear in lists
11 - reserved
12 - reserved
17 *_DB_F_EXEC {content} contains PHP code / sandboxed PHP code, used by XpiPlugins

The flag name is a constant in the ewiki and plugin scripts, which starts with the usual EWIKI_ prefix (which is often left out of the documentation, see TradeMarking). TuruRu

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