class final Core · roukmoute/pdf 0.6.1
PDF\Specification\Dictionary\ObjectStreamDictionaryTable16\ExtendsEntryTable 16, /Extends; PDF type: stream; Optional.Inheritance and contracts
Parent : PDF\Specification\SchemaEntry
Definition in the specification
Table 16 · Additional entries specific to an object stream dictionary
ISO 32000-1:2008, §7.5.7 · PDF page 54 ↗
/Extends stream
(Optional) A reference to another object stream, of which the current object stream shall be considered an extension. Both streams are considered part of a collection of object streams (see below). A given collection consists of a set of streams whose Extends links form a directed acyclic graph.
Qualifier: Optional
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\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\ObjectStreamDictionaryTable16\ExtendsEntry |
TABLE | | PDF\Specification\Dictionary\ObjectStreamDictionaryTable16\ExtendsEntry |
VARIABLE | | PDF\Specification\SchemaEntry |