Oihana PHP System

QualitativeValue extends Thing

A predefined value for a product characteristic, e.g. the power cord plug type 'US' or the garment sizes 'S', 'M', 'L', and 'XL'.

Table of Contents

Constants

CONTEXT  = 'https://schema.org'
JSON-LD @context declaration for Schema.org.

Properties

$_from  : string|null
The metadata to indicates the edge 'from' identifier.
$_id  : null|string
The metadata identifier of the item.
$_key  : null|string
The metadata unique key identifier of the thing.
$_rev  : null|string
The metadata revision value of the thing.
$_to  : string|null
The metadata to indicates the edge 'to' identifier.
$active  : bool|null
The active flag.
$additionalProperty  : array<string|int, mixed>|null|PropertyValue
A property-value pair representing an additional characteristic of the entity, e.g. a product feature or another characteristic for which there is no matching property in schema.org.
$additionalType  : array<string|int, mixed>|string|null|object
An additionalType for the item.
$alternateName  : string|object|null
An alias for the item.
$created  : null|string|DateTime
Date of creation of the resource.
$description  : string|null
A short description of the item.
$disambiguatingDescription  : string|null
A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.
$equal  : array<string|int, mixed>|QuantitativeValue|null
This ordering relation for qualitative values indicates that the subject is equal to the object.
$greater  : array<string|int, mixed>|QuantitativeValue|null
This ordering relation for qualitative values indicates that the subject is greater than the object.
$greaterOrEqual  : array<string|int, mixed>|QuantitativeValue|null
This ordering relation for qualitative values indicates that the subject is greater than or equal to the object.
$hasPart  : string|Thing|array<string|int, mixed>|null
Indicates an item that this part of this item.
$id  : null|int|string
The unique identifier of the item.
$identifier  : string|null
The identifier of the item.
$image  : string|object|null
The image reference of this resource.
$isPartOf  : string|Thing|array<string|int, mixed>|null
Indicates an item that this item is part of.
$lesser  : array<string|int, mixed>|QuantitativeValue|null
This ordering relation for qualitative values indicates that the subject is lesser than the object.
$lesserOrEqual  : array<string|int, mixed>|QuantitativeValue|null
This ordering relation for qualitative values indicates that the subject is lesser than or equal to the object.
$license  : string|object|null
A legal document giving official permission to do something with the resource.
$modified  : null|string|DateTime
Date on which the resource was changed.
$name  : int|string|null
The name of the item.
$nonEqual  : array<string|int, mixed>|QuantitativeValue|null
This ordering relation for qualitative values indicates that the subject is not equal to the object.
$publisher  : string|array<string|int, mixed>|Person|Organization|null
The publisher of the resource.
$url  : int|string|null
URL of the item.
$valueReference  : mixed
The lower value of some characteristic or property.
$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

CONTEXT

JSON-LD @context declaration for Schema.org.

public mixed CONTEXT = 'https://schema.org'

Properties

$_from

The metadata to indicates the edge 'from' identifier.

public string|null $_from

$_id

The metadata identifier of the item.

public null|string $_id

$_key

The metadata unique key identifier of the thing.

public null|string $_key

$_rev

The metadata revision value of the thing.

public null|string $_rev

$_to

The metadata to indicates the edge 'to' identifier.

public string|null $_to

$active

The active flag.

public bool|null $active

$additionalProperty

A property-value pair representing an additional characteristic of the entity, e.g. a product feature or another characteristic for which there is no matching property in schema.org.

public array<string|int, mixed>|null|PropertyValue $additionalProperty

$additionalType

An additionalType for the item.

public array<string|int, mixed>|string|null|object $additionalType

$alternateName

An alias for the item.

public string|object|null $alternateName

$created

Date of creation of the resource.

public null|string|DateTime $created

$description

A short description of the item.

public string|null $description

$disambiguatingDescription

A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.

public string|null $disambiguatingDescription

$equal

This ordering relation for qualitative values indicates that the subject is equal to the object.

public array<string|int, mixed>|QuantitativeValue|null $equal

$greater

This ordering relation for qualitative values indicates that the subject is greater than the object.

public array<string|int, mixed>|QuantitativeValue|null $greater

$greaterOrEqual

This ordering relation for qualitative values indicates that the subject is greater than or equal to the object.

public array<string|int, mixed>|QuantitativeValue|null $greaterOrEqual

$hasPart

Indicates an item that this part of this item.

public string|Thing|array<string|int, mixed>|null $hasPart

$id

The unique identifier of the item.

public null|int|string $id

$identifier

The identifier of the item.

public string|null $identifier

$image

The image reference of this resource.

public string|object|null $image

$isPartOf

Indicates an item that this item is part of.

public string|Thing|array<string|int, mixed>|null $isPartOf

$lesser

This ordering relation for qualitative values indicates that the subject is lesser than the object.

public array<string|int, mixed>|QuantitativeValue|null $lesser

$lesserOrEqual

This ordering relation for qualitative values indicates that the subject is lesser than or equal to the object.

public array<string|int, mixed>|QuantitativeValue|null $lesserOrEqual

$license

A legal document giving official permission to do something with the resource.

public string|object|null $license

$modified

Date on which the resource was changed.

public null|string|DateTime $modified

$name

The name of the item.

public int|string|null $name

$nonEqual

This ordering relation for qualitative values indicates that the subject is not equal to the object.

public array<string|int, mixed>|QuantitativeValue|null $nonEqual

$url

URL of the item.

public int|string|null $url

$valueReference

The lower value of some characteristic or property.

public mixed $valueReference

$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
throws
ReflectionException
example
use org\schema\Person;
use org\schema\constants\Prop;

$person = new Person
([
    Prop::NAME => 'Jane Doe',
    Prop::URL  => 'https://example.com/janedoe'
]);

echo $person->name; // Outputs: Jane Doe

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
throws
ReflectionException

If reflection fails when accessing properties.

example
use org\schema\Person;
use org\schema\constants\Prop;

$person = new Person
([
    Prop::NAME => 'John Smith',
    Prop::ID   => 'jsmith-001'
]);

echo json_encode($person, JSON_PRETTY_PRINT);

Output:

{
   "@type": "Person",
   "@context": "https://schema.org",
   "id": "jsmith-001",
   "name": "John Smith"
}
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
$this

withAtType()

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
$this

withJSONLDMeta()

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

Return values
$this

        
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