class final Core · roukmoute/pdf 0.6.2
PDF\Specification\Dictionary\EncryptionDictionaryTable20\FilterEntryTable 20, /Filter; PDF type: name; Required.Inheritance and contracts
Parent : PDF\Specification\SchemaEntry
Definition in the specification
Table 20 · Entries common to all encryption dictionaries
ISO 32000-1:2008, §7.6.1 · PDF page 64 ↗
/Filter name
(Required) The name of the preferred security handler for this document. It shall be the name of the security handler that was used to encrypt the document. If SubFilter is not present, only this security handler shall be used when opening the document. If it is present, a conforming reader can use any security handler that implements the format specified by SubFilter. Standard shall be the name of the built-in password-based security handler. Names for other security handlers may be registered by using the procedure described in Annex E.
Qualifier: Required
Conditional descriptions remain traceable. A definition alone does not implement a codec, a signature or every format mechanism. Read the coverage.
Construction
__construct()
public function __construct(PDF\Syntax\Object\NameType|PDF\Syntax\Object\IndirectReference $value)Inherited methods
3 methods from parents and contracts
definition()
public function definition(): PDF\Specification\EntryDefinitionkey()
public function key(): PDF\Syntax\Object\NameTypevalue()
public function value(): PDF\Syntax\FileStructure\BasicTypeProperties
| Declaration | Origin and documentation |
|---|---|
public readonly PDF\Syntax\Object\NameType $key | PDF\Syntax\Object\DictionaryObject\Entry |
public readonly PDF\Syntax\FileStructure\BasicType $value | PDF\Syntax\Object\DictionaryObject\Entry |
Constants
| Name | PHP value | Origin |
|---|---|---|
KEY | | PDF\Specification\Dictionary\EncryptionDictionaryTable20\FilterEntry |
TABLE | | PDF\Specification\Dictionary\EncryptionDictionaryTable20\FilterEntry |
VARIABLE | | PDF\Specification\SchemaEntry |