DublinCore implements JsonSerializable uses ThingTrait, DublinCoreTrait, DublinCore
The DCMI Metadata Terms.
Tags
Table of Contents
Interfaces
- JsonSerializable
Constants
- ABSTRACT = 'abstract'
- ACCESS_RIGHT = 'accessRight'
- ACCRUAL_METHOD = 'accrualMethod'
- ACCRUAL_PERIODICITY_MORE = 'accrualPeriodicityMore'
- ACCRUAL_POLICY = 'accrualPolicy'
- ALTERNATIVE = 'alternative'
- AVAILABLE = 'available'
- BIBLIOGRAPHIC_CITATION = 'bibliographicCitation'
- CONFORMS_TO = 'conformsTo'
- CONTEXT = 'http://purl.org/dc'
- JSON-LD @context declaration for Schema.org.
- CONTRIBUTOR = 'contributor'
- COVERAGE = 'coverage'
- CREATED = 'created'
- CREATOR = 'creator'
- DATE = 'date'
- DATE_ACCEPTED = 'dateAccepted'
- DATE_COPYRIGHTED = 'dateCopyrighted'
- DATE_SUBMITTED = 'dateSubmitted'
- DESCRIPTION = 'description'
- EDUCATION_LEVEL = 'educationLevel'
- EXTENT = 'extent'
- FORMAT = 'format'
- HAS_FORMAT = 'hasFormat'
- HAS_VERSION = 'hasVersion'
- IDENTIFIER = 'identifier'
- INSTRUCTIONAL_METHOD_MORE = 'instructionalMethodMore'
- IS_FORMAT_OF = 'isFormatOf'
- IS_PART_OF = 'isPartOf'
- IS_REFERENCED_BY = 'isReferencedBy'
- IS_REPLACED_BY = 'isReplacedBy'
- IS_REQUIRED_BY = 'isRequiredBy'
- IS_VERSION_OF = 'isVersionOf'
- ISSUED = 'issued'
- LANGUAGE = 'language'
- LICENSE = 'license'
- MEDIATOR = 'mediator'
- MEDIUM = 'medium'
- MODIFIED = 'modified'
- PROVENANCE = 'provenance'
- PUBLISHER = 'publisher'
- REFERENCES = 'references'
- RELATION = 'relation'
- REPLACES = 'replaces'
- REQUIRES = 'requires'
- RIGHTS = 'rights'
- RIGHTS_HOLDER = 'rightsHolder'
- SOURCE = 'source'
- SPATIAL = 'spatial'
- SUBJECT = 'subject'
- TABLE_OF_CONTENTS = 'tableOfContents'
- TEMPORAL = 'temporal'
- TITLE = 'title'
- TYPE = 'type'
- VALID = 'valid'
Properties
- $abstract : string|null
- A summary of the resource.
- $accessRight : string|null
- Information about who access the resource or an indication of its security status.
- $accrualMethod : string|null
- The method by which items are added to a collection.
- $accrualPeriodicityMore : string|null
- The frequency with which items are added to a collection.
- $accrualPolicy : string|null
- The policy governing the addition of items to a collection.
- $alternative : string|null
- An alternative name for the resource.
- $available : string|null
- Date that the resource became or will become available.
- $bibliographicCitation : string|null
- A bibliographic reference for the resource.
- $conformsTo : string|null
- An established standard to which the described resource conforms.
- $contributor : string|null
- An entity responsible for making contributions to the resource.
- $coverage : string|null
- The spatial or temporal topic of the resource, spatial applicability of the resource, or jurisdiction under which the resource is relevant.
- $created : string|null
- Date of creation of the resource.
- $creator : string|object|array<string|int, mixed>|null
- An entity responsible for making the resource.
- $date : string|null
- A point or period of time associated with an event in the lifecycle of the resource.
- $dateAccepted : string|null
- Date of acceptance of the resource.
- $dateCopyrighted : string|null
- Date of copyright of the resource.
- $dateSubmitted : string|null
- Date of submission of the resource.
- $description : string|null
- An account of the resource.
- $educationLevel : string|null
- Audience Education Level
- $extent : string|null
- The size or duration of the resource.
- $format : string|null
- The file format, physical medium, or dimensions of the resource.
- $hasFormat : string|array<string|int, mixed>|object|null
- Has Format
- $hasVersion : string|array<string|int, mixed>|object|null
- A related resource that is a version, edition, or adaptation of the described resource.
- $identifier : string|null
- An unambiguous reference to the resource within a given context.
- $instructionalMethodMore : string|object|null
- A process, used to engender knowledge, attitudes and skills, that the described resource is designed to support.
- $isFormatOf : string|object|null
- A pre-existing related resource that is substantially the same as the described resource, but in another format.
- $isPartOf : string|object|null
- A related resource in which the described resource is physically or logically included.
- $isReferencedBy : string|object|null
- A related resource that references, cites, or otherwise points to the described resource.
- $isReplacedBy : string|object|null
- A related resource that supplants, displaces, or supersedes the described resource.
- $isRequiredBy : string|object|array<string|int, mixed>|null
- A related resource that requires the described resource to support its function, delivery, or coherence.
- $issued : string|null
- Date of formal issuance of the resource.
- $isVersionOf : string|object|null
- A related resource of which the described resource is a version, edition, or adaptation.
- $language : string|array<string|int, mixed>|object|null
- A language of the resource.
- $license : string|null
- A legal document giving official permission to do something with the resource.
- $mediator : string|object|array<string|int, mixed>|null
- An entity that mediates access to the resource.
- $medium : string|object|array<string|int, mixed>|null
- The material or physical carrier of the resource.
- $modified : string|null
- Date on which the resource was changed.
- $provenance : string|array<string|int, mixed>|object|null
- A statement of any changes in ownership and custody of the resource since its creation that are significant for its authenticity, integrity, and interpretation.
- $publisher : string|object|array<string|int, mixed>|null
- An entity responsible for making the resource available.
- $references : string|object|array<string|int, mixed>|null
- A related resource that is referenced, cited, or otherwise pointed to by the described resource.
- $relation : string|object|array<string|int, mixed>|null
- A related resource.
- $replaces : string|object|array<string|int, mixed>|null
- A related resource that is supplanted, displaced, or superseded by the described resource.
- $requires : string|object|array<string|int, mixed>|null
- A related resource that is required by the described resource to support its function, delivery, or coherence.
- $rights : string|object|array<string|int, mixed>|null
- Information about rights held in and over the resource.
- $rightsHolder : string|object|array<string|int, mixed>|null
- A person or organization owning or managing rights over the resource.
- $source : string|object|array<string|int, mixed>|null
- A related resource from which the described resource is derived.
- $spatial : string|object|array<string|int, mixed>|null
- Spatial characteristics of the resource.
- $subject : string|object|array<string|int, mixed>|null
- A topic of the resource.
- $tableOfContents : string|array<string|int, mixed>|object|null
- A list of subunits of the resource.
- $temporal : string|array<string|int, mixed>|object|null
- Temporal characteristics of the resource.
- $title : string|object|array<string|int, mixed>|null
- The title of the ressource.
- $type : string|object|null
- The nature or genre of the resource.
- $valid : string|null
- Date (often a range) of validity of a resource.
- $atContext : string|null
- The JSON-LD `@context` value.
- $atType : string|null
- The JSON-LD `@type` value.
Methods
- __construct() : mixed
- Constructor to hydrate public properties from an array or stdClass.
- jsonSerialize() : array<string|int, mixed>
- Serializes the current object into a JSON-LD array.
- withAtContext() : $this
- Sets the internal JSON-LD `@context` attribute.
- withAtType() : $this
- Sets the internal JSON-LD `@type` attribute.
- withJSONLDMeta() : $this
- Initializes both JSON-LD metadata: `@type` and `@context`.
Constants
ABSTRACT
public
mixed
ABSTRACT
= 'abstract'
ACCESS_RIGHT
public
mixed
ACCESS_RIGHT
= 'accessRight'
ACCRUAL_METHOD
public
mixed
ACCRUAL_METHOD
= 'accrualMethod'
ACCRUAL_PERIODICITY_MORE
public
mixed
ACCRUAL_PERIODICITY_MORE
= 'accrualPeriodicityMore'
ACCRUAL_POLICY
public
mixed
ACCRUAL_POLICY
= 'accrualPolicy'
ALTERNATIVE
public
mixed
ALTERNATIVE
= 'alternative'
AVAILABLE
public
mixed
AVAILABLE
= 'available'
BIBLIOGRAPHIC_CITATION
public
mixed
BIBLIOGRAPHIC_CITATION
= 'bibliographicCitation'
CONFORMS_TO
public
mixed
CONFORMS_TO
= 'conformsTo'
CONTEXT
JSON-LD @context declaration for Schema.org.
public
mixed
CONTEXT
= 'http://purl.org/dc'
CONTRIBUTOR
public
mixed
CONTRIBUTOR
= 'contributor'
COVERAGE
public
mixed
COVERAGE
= 'coverage'
CREATED
public
mixed
CREATED
= 'created'
CREATOR
public
mixed
CREATOR
= 'creator'
DATE
public
mixed
DATE
= 'date'
DATE_ACCEPTED
public
mixed
DATE_ACCEPTED
= 'dateAccepted'
DATE_COPYRIGHTED
public
mixed
DATE_COPYRIGHTED
= 'dateCopyrighted'
DATE_SUBMITTED
public
mixed
DATE_SUBMITTED
= 'dateSubmitted'
DESCRIPTION
public
mixed
DESCRIPTION
= 'description'
EDUCATION_LEVEL
public
mixed
EDUCATION_LEVEL
= 'educationLevel'
EXTENT
public
mixed
EXTENT
= 'extent'
FORMAT
public
mixed
FORMAT
= 'format'
HAS_FORMAT
public
mixed
HAS_FORMAT
= 'hasFormat'
HAS_VERSION
public
mixed
HAS_VERSION
= 'hasVersion'
IDENTIFIER
public
mixed
IDENTIFIER
= 'identifier'
INSTRUCTIONAL_METHOD_MORE
public
mixed
INSTRUCTIONAL_METHOD_MORE
= 'instructionalMethodMore'
IS_FORMAT_OF
public
mixed
IS_FORMAT_OF
= 'isFormatOf'
IS_PART_OF
public
mixed
IS_PART_OF
= 'isPartOf'
IS_REFERENCED_BY
public
mixed
IS_REFERENCED_BY
= 'isReferencedBy'
IS_REPLACED_BY
public
mixed
IS_REPLACED_BY
= 'isReplacedBy'
IS_REQUIRED_BY
public
mixed
IS_REQUIRED_BY
= 'isRequiredBy'
IS_VERSION_OF
public
mixed
IS_VERSION_OF
= 'isVersionOf'
ISSUED
public
mixed
ISSUED
= 'issued'
LANGUAGE
public
mixed
LANGUAGE
= 'language'
LICENSE
public
mixed
LICENSE
= 'license'
MEDIATOR
public
mixed
MEDIATOR
= 'mediator'
MEDIUM
public
mixed
MEDIUM
= 'medium'
MODIFIED
public
mixed
MODIFIED
= 'modified'
PROVENANCE
public
mixed
PROVENANCE
= 'provenance'
PUBLISHER
public
mixed
PUBLISHER
= 'publisher'
REFERENCES
public
mixed
REFERENCES
= 'references'
RELATION
public
mixed
RELATION
= 'relation'
REPLACES
public
mixed
REPLACES
= 'replaces'
REQUIRES
public
mixed
REQUIRES
= 'requires'
RIGHTS
public
mixed
RIGHTS
= 'rights'
RIGHTS_HOLDER
public
mixed
RIGHTS_HOLDER
= 'rightsHolder'
SOURCE
public
mixed
SOURCE
= 'source'
SPATIAL
public
mixed
SPATIAL
= 'spatial'
SUBJECT
public
mixed
SUBJECT
= 'subject'
TABLE_OF_CONTENTS
public
mixed
TABLE_OF_CONTENTS
= 'tableOfContents'
TEMPORAL
public
mixed
TEMPORAL
= 'temporal'
TITLE
public
mixed
TITLE
= 'title'
TYPE
public
mixed
TYPE
= 'type'
VALID
public
mixed
VALID
= 'valid'
Properties
$abstract
A summary of the resource.
public
string|null
$abstract
$accessRight
Information about who access the resource or an indication of its security status.
public
string|null
$accessRight
$accrualMethod
The method by which items are added to a collection.
public
string|null
$accrualMethod
$accrualPeriodicityMore
The frequency with which items are added to a collection.
public
string|null
$accrualPeriodicityMore
$accrualPolicy
The policy governing the addition of items to a collection.
public
string|null
$accrualPolicy
$alternative
An alternative name for the resource.
public
string|null
$alternative
$available
Date that the resource became or will become available.
public
string|null
$available
$bibliographicCitation
A bibliographic reference for the resource.
public
string|null
$bibliographicCitation
$conformsTo
An established standard to which the described resource conforms.
public
string|null
$conformsTo
$contributor
An entity responsible for making contributions to the resource.
public
string|null
$contributor
$coverage
The spatial or temporal topic of the resource, spatial applicability of the resource, or jurisdiction under which the resource is relevant.
public
string|null
$coverage
$created
Date of creation of the resource.
public
string|null
$created
Recommended practice is to describe the date, date/time, or period of time as recommended for the property Date, of which this is a subproperty.
$creator
An entity responsible for making the resource.
public
string|object|array<string|int, mixed>|null
$creator
$date
A point or period of time associated with an event in the lifecycle of the resource.
public
string|null
$date
$dateAccepted
Date of acceptance of the resource.
public
string|null
$dateAccepted
$dateCopyrighted
Date of copyright of the resource.
public
string|null
$dateCopyrighted
$dateSubmitted
Date of submission of the resource.
public
string|null
$dateSubmitted
$description
An account of the resource.
public
string|null
$description
$educationLevel
Audience Education Level
public
string|null
$educationLevel
$extent
The size or duration of the resource.
public
string|null
$extent
Recommended practice is to specify the file size in megabytes and duration in ISO 8601 format
$format
The file format, physical medium, or dimensions of the resource.
public
string|null
$format
$hasFormat
Has Format
public
string|array<string|int, mixed>|object|null
$hasFormat
$hasVersion
A related resource that is a version, edition, or adaptation of the described resource.
public
string|array<string|int, mixed>|object|null
$hasVersion
$identifier
An unambiguous reference to the resource within a given context.
public
string|null
$identifier
$instructionalMethodMore
A process, used to engender knowledge, attitudes and skills, that the described resource is designed to support.
public
string|object|null
$instructionalMethodMore
$isFormatOf
A pre-existing related resource that is substantially the same as the described resource, but in another format.
public
string|object|null
$isFormatOf
$isPartOf
A related resource in which the described resource is physically or logically included.
public
string|object|null
$isPartOf
$isReferencedBy
A related resource that references, cites, or otherwise points to the described resource.
public
string|object|null
$isReferencedBy
$isReplacedBy
A related resource that supplants, displaces, or supersedes the described resource.
public
string|object|null
$isReplacedBy
$isRequiredBy
A related resource that requires the described resource to support its function, delivery, or coherence.
public
string|object|array<string|int, mixed>|null
$isRequiredBy
$issued
Date of formal issuance of the resource.
public
string|null
$issued
Recommended practice is to describe the date, date/time, or period of time as recommended for the property Date, of which this is a subproperty.
$isVersionOf
A related resource of which the described resource is a version, edition, or adaptation.
public
string|object|null
$isVersionOf
$language
A language of the resource.
public
string|array<string|int, mixed>|object|null
$language
$license
A legal document giving official permission to do something with the resource.
public
string|null
$license
$mediator
An entity that mediates access to the resource.
public
string|object|array<string|int, mixed>|null
$mediator
$medium
The material or physical carrier of the resource.
public
string|object|array<string|int, mixed>|null
$medium
$modified
Date on which the resource was changed.
public
string|null
$modified
Recommended practice is to describe the date, date/time, or period of time as recommended for the property Date, of which this is a subproperty.
$provenance
A statement of any changes in ownership and custody of the resource since its creation that are significant for its authenticity, integrity, and interpretation.
public
string|array<string|int, mixed>|object|null
$provenance
$publisher
An entity responsible for making the resource available.
public
string|object|array<string|int, mixed>|null
$publisher
$references
A related resource that is referenced, cited, or otherwise pointed to by the described resource.
public
string|object|array<string|int, mixed>|null
$references
This property is intended to be used with non-literal values. This property is an inverse property of Is Referenced By.
$relation
A related resource.
public
string|object|array<string|int, mixed>|null
$relation
This property is intended to be used with non-literal values. This property is an inverse property of Is Replaced By.
$replaces
A related resource that is supplanted, displaced, or superseded by the described resource.
public
string|object|array<string|int, mixed>|null
$replaces
Recommended practice is to identify the related resource by means of a URI. If this is not possible or feasible, a string conforming to a formal identification system may be provided.
$requires
A related resource that is required by the described resource to support its function, delivery, or coherence.
public
string|object|array<string|int, mixed>|null
$requires
This property is intended to be used with non-literal values. This property is an inverse property of Is Required By.
$rights
Information about rights held in and over the resource.
public
string|object|array<string|int, mixed>|null
$rights
$rightsHolder
A person or organization owning or managing rights over the resource.
public
string|object|array<string|int, mixed>|null
$rightsHolder
$source
A related resource from which the described resource is derived.
public
string|object|array<string|int, mixed>|null
$source
$spatial
Spatial characteristics of the resource.
public
string|object|array<string|int, mixed>|null
$spatial
$subject
A topic of the resource.
public
string|object|array<string|int, mixed>|null
$subject
Recommended practice is to refer to the subject with a URI. If this is not possible or feasible, a literal value that identifies the subject may be provided.
Both should preferably refer to a subject in a controlled vocabulary.
$tableOfContents
A list of subunits of the resource.
public
string|array<string|int, mixed>|object|null
$tableOfContents
$temporal
Temporal characteristics of the resource.
public
string|array<string|int, mixed>|object|null
$temporal
$title
The title of the ressource.
public
string|object|array<string|int, mixed>|null
$title
$type
The nature or genre of the resource.
public
string|object|null
$type
$valid
Date (often a range) of validity of a resource.
public
string|null
$valid
Recommended practice is to describe the date, date/time, or period of time as recommended for the property Date, of which this is a subproperty.
$atContext
The JSON-LD `@context` value.
private
string|null
$atContext
= null
Default is https://schema.org.
$atType
The JSON-LD `@type` value.
private
string|null
$atType
= null
This can be manually set or automatically inferred from the class name.
Methods
__construct()
Constructor to hydrate public properties from an array or stdClass.
public
__construct([array<string|int, mixed>|object|null $init = null ]) : mixed
This allows objects to be quickly populated with associative data without manually setting each property.
Parameters
- $init : array<string|int, mixed>|object|null = null
-
A data array or object used to initialize the instance. Keys must match public property names.
Tags
jsonSerialize()
Serializes the current object into a JSON-LD array.
public
jsonSerialize() : array<string|int, mixed>
Includes public properties, the JSON-LD @context and @type.
Null values are automatically removed.
Tags
Return values
array<string|int, mixed> —JSON-LD representation of the object.
withAtContext()
Sets the internal JSON-LD `@context` attribute.
public
withAtContext(string $context) : $this
Useful if you need a custom JSON-LD context.
Parameters
- $context : string
Return values
$thiswithAtType()
Sets the internal JSON-LD `@type` attribute.
public
withAtType(string $type) : $this
Allows overriding the default type inferred from the class.
Parameters
- $type : string
Return values
$thiswithJSONLDMeta()
Initializes both JSON-LD metadata: `@type` and `@context`.
public
withJSONLDMeta([string|null $atType = null ][, string|null $atContext = null ]) : $this
Can be called from constructor or later to override default values.
Parameters
- $atType : string|null = null
-
Optional JSON-LD type
- $atContext : string|null = null
-
Optional JSON-LD context