phpdftk API Documentation

CryptFilter
in package
implements Serializable

Crypt filter dictionary — ISO 32000-2 §7.6.5, Table 25.

Describes a single named crypt filter referenced from the /CF entry of EncryptDictionary. Inline-serialized; not an indirect object.

Attributes
#[RequiresPdfVersion]
\Phpdftk\Pdf\Core\PdfVersion::V1_5

Table of Contents

Interfaces

Serializable
Contract for anything that can emit raw PDF syntax via `toPdf()`.

Properties

$authEvent  : PdfName|null
$cfm  : PdfName
$length  : int|null
$recipients  : PdfArray|null
$type  : PdfName|null

Methods

__construct()  : mixed
toPdf()  : string

Properties

Methods

__construct()

public __construct([string $cfm = 'V2' ]) : mixed
Parameters
$cfm : string = 'V2'

toPdf()

public toPdf() : string
Return values
string

        
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