Oihana PHP System

ListItem extends Intangible uses ListItemTrait

An list item, e.g. a step in a checklist or how-to description.

Tags
see
https://schema.org/ListItem

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.
$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.
$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.
$item  : Thing|null
An entity represented by an entry in a list or data feed (e.g. an 'artist' in a list of 'artists').
$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.
$nextItem  : null|ListItem
A link to the ListItem that follows the current one.
$position  : null|int|string
The position of an item in a series or sequence of items.
$previousItem  : null|ListItem
A link to the ListItem that precedes the current one.
$publisher  : string|array<string|int, mixed>|Person|Organization|null
The publisher of the resource.
$url  : int|string|null
URL of the item.

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.

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

$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

$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

$item

An entity represented by an entry in a list or data feed (e.g. an 'artist' in a list of 'artists').

public Thing|null $item

$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

$position

The position of an item in a series or sequence of items.

public null|int|string $position

$previousItem

A link to the ListItem that precedes the current one.

public null|ListItem $previousItem

$url

URL of the item.

public int|string|null $url

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
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>

This method will include all public properties, the schema.org @context, and the inferred @type based on the class name.

Null values will be automatically removed using compress().

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>

A JSON-LD array representation of the object.


        
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