class final Core · roukmoute/pdf 0.6.2
PDF\Document\Extensions\DeveloperExtensionOne developer's extension of a PDF base version (ISO 32000-1, table 50).Inheritance and contracts
Parent : PDF\Specification\SchemaDictionary
Interfaces : Countable, IteratorAggregate, PDF\Syntax\FileStructure\BasicType, Stringable, Traversable
Definition in the specification
Table 50 · Entries in a developer extensions dictionary
ISO 32000-1:2008, §7.12.2 · PDF page 116 ↗
| Entry | PDF type | Source requirement | Table |
|---|---|---|---|
/Type | name | Optional | 50 |
/BaseVersion | name | Required | 50 |
/ExtensionLevel | integer | Required | 50 |
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 $baseVersion, PDF\Syntax\Object\IntegerType $extensionLevel, PDF\Syntax\Object\DictionaryObject\Entry ...$entries)Declared methods
with()
public function with(PDF\Syntax\Object\DictionaryObject\Entry $entry): staticwithout()
public function without(PDF\Syntax\Object\NameType|string $key): staticInherited methods
9 methods from parents and contracts
__toString()
public function __toString(): stringcount()
public function count(): intdefinition()
public function definition(): PDF\Specification\TableDefinitionentries()
public function entries(): iterable@return iterable<Entry>get()
public function get(PDF\Syntax\Object\NameType|string $key): ?PDF\Syntax\FileStructure\BasicTypegetIterator()
public function getIterator(): Traversablehas()
public function has(PDF\Syntax\Object\NameType|string $key): booltoPdf()
public function toPdf(PDF\Serialization\SerializationContext $context): stringvalidate()
public function validate(): voidChecks unconditional requirements; conditional and inherited rules remain explicit.Constants
| Name | PHP value | Origin |
|---|---|---|
COMMON_TABLES | | PDF\Specification\SchemaDictionary |
TABLE | | PDF\Document\Extensions\DeveloperExtension |