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<?php |
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namespace Mpyw\OpenGraph\Elements; |
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use Mpyw\OpenGraph\Property; |
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/** |
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* An Open Graph image element. |
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*/ |
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class Image extends ElementBase |
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{ |
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/** |
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* The URL of an image resource associated with the object. |
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* |
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* @var string |
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*/ |
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public $url; |
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/** |
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* An alternate URL to use if an image resource requires HTTPS. |
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* |
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* @var null|string |
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*/ |
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public $secureUrl; |
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/** |
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* The MIME type of an image resource. |
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* |
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* @var null|string |
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*/ |
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public $type; |
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/** |
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* The width of an image resource in pixels. |
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* |
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* @var null|int |
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*/ |
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public $width; |
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/** |
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* The height of an image resource in pixels. |
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* |
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* @var null|int |
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*/ |
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public $height; |
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/** |
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* Whether the image is user-generated or not. |
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* |
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* @var null|bool |
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*/ |
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public $userGenerated; |
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/** |
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* @param mixed $url URL to the image file. |
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*/ |
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public function __construct($url) |
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{ |
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$this->url = (string)$url; |
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} |
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/** |
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* @param string $name |
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* @param mixed $value |
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*/ |
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public function setAttribute(string $name, $value): void |
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{ |
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switch ($name) { |
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case Property::IMAGE_HEIGHT: |
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$this->height = (int)$value; |
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break; |
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case Property::IMAGE_WIDTH: |
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$this->width = (int)$value; |
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break; |
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case Property::IMAGE_TYPE: |
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$this->type = (string)$value; |
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break; |
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case Property::IMAGE_SECURE_URL: |
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$this->secureUrl = (string)$value; |
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break; |
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case Property::IMAGE_USER_GENERATED: |
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$this->userGenerated = $this->convertToBoolean($value); |
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break; |
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} |
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} |
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/** |
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* Gets all properties set on this element. |
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* |
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* @return Property[] |
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*/ |
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public function getProperties(): array |
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{ |
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$properties = []; |
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// URL must precede all other properties |
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if ($this->url !== null) { |
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$properties[] = new Property(Property::IMAGE_URL, $this->url); |
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} |
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if ($this->height !== null) { |
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$properties[] = new Property(Property::IMAGE_HEIGHT, $this->height); |
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} |
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if ($this->secureUrl !== null) { |
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$properties[] = new Property(Property::IMAGE_SECURE_URL, $this->secureUrl); |
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} |
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if ($this->type !== null) { |
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$properties[] = new Property(Property::IMAGE_TYPE, $this->type); |
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} |
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if ($this->width !== null) { |
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$properties[] = new Property(Property::IMAGE_WIDTH, $this->width); |
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} |
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if ($this->userGenerated !== null) { |
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$properties[] = new Property(Property::IMAGE_USER_GENERATED, $this->userGenerated); |
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} |
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return $properties; |
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} |
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} |
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mpyw /
opengraph
