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<?php
namespace Artesaos\SEOTools\Contracts;
/**
* OpenGraph defines contract for the "OpenGraph" meta tags container.
*
* "OpenGraph" meta tags are widely used among social networks like Facebook during the "sharing" process.
*
* Usage example:
*
* ```php
* use Artesaos\SEOTools\OpenGraph; // implements `Artesaos\SEOTools\Contracts\OpenGraph`
*
* $openGraph = new OpenGraph();
*
* // specify meta info
* $openGraph->setTitle('Home');
* $openGraph->setDescription('This is my page description');
* $openGraph->setUrl('http://current.url.com');
* $openGraph->addProperty('type', 'articles');
*
* // render HTML, it should be placed within 'head' HTML tag
* echo $openGraph->generate();
* ```
*
* Implementation of this contract is available via {@see \Artesaos\SEOTools\Facades\OpenGraph} facade.
* Facade usage example:
*
* ```php
* use Artesaos\SEOTools\Facades\OpenGraph;
*
* // specify meta info
* OpenGraph::setTitle('Home');
* OpenGraph::setDescription('This is my page description');
* OpenGraph::setUrl('http://current.url.com');
* OpenGraph::addProperty('type', 'articles');
*
* // render HTML, it should be placed within 'head' HTML tag
* echo OpenGraph::generate();
* ```
*
* > Attention: namespace 'http://ogp.me/ns#' should appear at the HTML declaration tag in order for the "OpenGraph" tags
* be recognized properly. You'll have to do this manually, so your HTML page structure should look like following:
*
* ```html
* <html prefix="og: http://ogp.me/ns#">
* <head>
* <title>...</title>
* ...
* </head>
* ...
* </html>
* ```
*
* @see https://ogp.me/
* @see \Artesaos\SEOTools\OpenGraph
* @see \Artesaos\SEOTools\Facades\OpenGraph
*/
interface OpenGraph
{
/**
* @param array $config
* @return void
*/
public function __construct(array $config = []);
/**
* Generates open graph tags.
*
* @param bool $minify
*
* @return string
*/
public function generate($minify = false);
/**
* Add or update property.
*
* @param string $key
* @param string|array $value
*
* @return static
*/
public function addProperty($key, $value);
/**
* Remove property.
*
* @param string $key
*
* @return static
*/
public function removeProperty($key);
/**
* Add image to properties.
*
* @param string $url
* @param array $attributes
*
* @return static
*/
public function addImage($url, $attributes = []);
/**
* Add images to properties.
*
* @param array $urls
*
* @return static
*/
public function addImages(array $urls);
/**
* Define title property.
*
* @param string $title
*
* @return static
*/
public function setTitle($title);
/**
* Define description property.
*
* @param string $description
*
* @return static
*/
public function setDescription($description);
/**
* Define url property.
*
* @param string $url
*
* @return static
*/
public function setUrl($url);
/**
* Define site_name property.
*
* @param string $name
*
* @return static
*/
public function setSiteName($name);
/**
* Define type property.
*
* @param string|null $type set the opengraph type
*
* @return static
*/
public function setType($type = null);
/**
* Set Article properties.
*
* @param array $attributes
*
* @return static
*/
public function setArticle($attributes = []);
/**
* Set Profile properties.
*
* @param array $attributes
*
* @return static
*/
public function setProfile($attributes = []);
/**
* Set Music Song properties.
*
* @param array $attributes
*
* @return static
*/
public function setMusicSong($attributes = []);
/**
* Set Music Album properties.
*
* @param array $attributes
*
* @return static
*/
public function setMusicAlbum($attributes = []);
/**
* Set Music Playlist properties.
*
* @param array $attributes
*
* @return static
*/
public function setMusicPlaylist($attributes = []);
/**
* Set Music RadioStation properties.
*
* @param array $attributes
*
* @return static
*/
public function setMusicRadioStation($attributes = []);
/**
* Set Video Movie properties.
*
* @param array $attributes
*
* @return static
*/
public function setVideoMovie($attributes = []);
/**
* Set Video Episode properties.
*
* @param array $attributes
*
* @return static
*/
public function setVideoEpisode($attributes = []);
/**
* Set Video Episode properties.
*
* @param array $attributes
*
* @return static
*/
public function setVideoOther($attributes = []);
/**
* Set Video Episode properties.
*
* @param array $attributes
*
* @return static
*/
public function setVideoTVShow($attributes = []);
/**
* Set Book properties.
*
* @param array $attributes
*
* @return static
*/
public function setBook($attributes = []);
/**
* Add Video properties.
*
* @param string $source
* @param array $attributes
*
* @return static
*/
public function addVideo($source = null, $attributes = []);
/**
* Add audio properties.
*
* @param string $source
* @param array $attributes
*
* @return static
*/
public function addAudio($source = null, $attributes = []);
}
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