Metadata_Integrate::getPageTitle() - Code Metrics - Inspection of "Merge pull request #3698 from elkarte/patch_1-1-9" - elkarte/Elkarte - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( d9e5dd...36764d )

by Spuds

created 2023-02-18 15:43 UTC

Metadata_Integrate::getPageTitle() A

↳ Parent: Metadata_Integrate

Complexity

Conditions	3
Paths	3

Size

Total Lines	14
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	3
eloc	5
dl	0
loc	14
rs	10
c	1
b	0
f	0
nc	3
nop	1

<?php

/**
 * Implementing this interface will make controllers usable as a front page
 * replacing the classic board index.
 *
 * @name      ElkArte Forum
 * @copyright ElkArte Forum contributors
 * @license   BSD http://opensource.org/licenses/BSD-3-Clause
 *
 * @version 1.1.9
 *
 */

/**
 * Class Metadata_Integrate
 *
 * OG and Schema functions for creation of microdata
 */
class Metadata_Integrate
{
	/** @var array data from the post renderer */
	public $data;

	/** @var array attachment data from AttachmentsDisplay Controller */
	public $attachments;

	/** @var array ila data from AttachmentsDisplay Controller */
	public $ila;

	/**
	 * Register Metadata hooks to the system.
	 *
	 * @return array
	 */
	public static function register()
	{
		global $modSettings;

		if (empty($modSettings['metadata_enabled']))
		{
			return array();
		}

		// Simply load context with our data which will be consumed by the theme's index.template (if supported)
		return array(
			// Display
			array('integrate_action_display_after', 'Metadata_Integrate::prepare_topic_metadata'),
			// Board
			array('integrate_action_boardindex_after', 'Metadata_Integrate::prepare_basic_metadata'),
			// MessageIndex
			array('integrate_action_messageindex_after', 'Metadata_Integrate::prepare_basic_metadata'),
		);
	}

	/**
	 * Prepares Open Graph and Schema data for use in templates when viewing a specific topic
	 *
	 * - It will only generate full schema data when the pageindex of the topic is on page 1
	 *
	 * @param int $start
	 */
	public static function prepare_topic_metadata($start = -1)
	{
		global $context;

		$meta = new self();
		$start = isset($context['start']) ? $context['start'] : $start;

		// Load in the post data if available
		$meta->data = $meta->initPostData($start);
		$meta->attachments = isset($meta->data['attachments']) ? $meta->data['attachments'] : array();
		$meta->ila = !empty($context['ila_dont_show_attach_below']) ? $context['ila_dont_show_attach_below'] : array();

		// Set the data into context for template use
		$meta->setContext();
	}

	/**
	 * Prepares Open Graph and Schema data when viewing a message listing or the board index.
	 * Currently, this consists of a simple organizational card and OG with description
	 */
	public static function prepare_basic_metadata()
	{
		$meta = new self();

		// Set the data into context for template use
		$meta->setContext();
	}

	/*
	 * Set what we have created into context for template consumption.
	 *
	 * The schema data should be output in a template as
	 * <script type="application/ld+json">
	 * json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE)
	 * </script>
	 * OG data is an array of <meta> tags for implosion.
	 */
	private function setContext()
	{
		global $context;

		// Set the data into context for template use
		$context['smd_site'] = $this->getSiteSchema();
		$context['smd_article'] = $this->getPostSchema();
		$context['open_graph'] = $this->getOgData();
	}

	/**
	 * When viewing the first page of a topic, will return data from the first post
	 * to be used in creating microdata.
	 *
	 * Requires that display renderer, $context['get_message'], has been set via the Display Controller
	 *
	 * @param int $start
	 * @return array
	 */
	private function initPostData($start)
	{
		global $context, $topic;

		$smd = array();

		// If this is a topic, and we are on the first page (so we can get first post data)
		if (!empty($topic)
			&& $start === 0
			&& (!empty($context['get_message'][0]) && is_object($context['get_message'][0])))
		{
			// Grab the first post of the thread to get proper thread author data
			$controller = $context['get_message'][0];
			$smd = $controller->{$context['get_message'][1]}();

			// Create a short body, leaving some very basic html
			$smd['raw_body'] = trim(strip_tags($smd['body']));
			$smd['html_body'] = trim(strip_tags($smd['body'], '<br><strong><em><blockquote>'));
			$smd['html_body'] = str_replace(array("\n", "\t"), '', $smd['html_body']);

			// Strip attributes from any remaining tags
			$smd['html_body'] = preg_replace('~<([bse][a-z0-9]*)[^>]*?(/?)>~i', '<$1$2>', $smd['html_body']);
			$smd['html_body'] = Util::shorten_html($smd['html_body'], 375);

			// Create a short plain text description // $context['page_description']
			$description = empty($context['description'])
				? preg_replace('~\s\s+|&nbsp;|&quot;|&#039;~', ' ', $smd['raw_body'])
				: $context['description'];
			$smd['description'] = Util::shorten_text($description, 110, true);

			// Reset the pointer so the template does not miss the first post
			$controller->{$context['get_message'][1]}(true);
		}

		return $smd;
	}

	/**
	 * Build and return the schema business card
	 *
	 * @return array
	 */
	public function getSiteSchema()
	{
		global $context, $boardurl, $mbname, $settings;

		// Snag us a site logo
		$logo = $this->getLogo();

		$slogan = !empty($settings['site_slogan']) ? $settings['site_slogan'] : un_htmlspecialchars($mbname);

		// The sites organizational card
		return array(
			'@context' => 'https://schema.org',
			'@type' => 'Organization',
			'url' => !empty($context['canonical_url']) ? $context['canonical_url'] : $boardurl,
			'logo' => array(
				'@type' => 'ImageObject',
				'url' => $logo[2],
				'width' => $logo[0],
				'height' => $logo[1],
			),
			'name' => un_htmlspecialchars($context['forum_name']),
			'slogan' => $slogan,
		);
	}

	/**
	 * Function to return the sites logo url
	 *
	 * @return array width, height and html safe logo url
	 */
	private function getLogo()
	{
		global $context, $boardurl;

		// Set in ThemeLoader
		if (!empty($context['header_logo_url_html_safe']))
		{
			$logo = $context['header_logo_url_html_safe'];
		}
		else
		{
			$logo = $boardurl . '/mobile.png';
		}

		// This will also cache these values for us
		require_once(SUBSDIR . '/Attachments.subs.php');
		list($width, $height) = url_image_size(un_htmlspecialchars($logo));

		return array($width, $height, $logo);
	}

	/**
	 * Build and return the article schema.  This is intended for use when displaying
	 * a topic.
	 *
	 * @return array
	 */
	public function getPostSchema()
	{
		global $context, $boardurl, $mbname, $board_info;

		$smd = array();

		if (empty($this->data))
		{
			return $smd;
		}

		$logo = $this->getLogo();
		$smd = array(
			'@context' => 'https://schema.org',
			'@type' => 'DiscussionForumPosting',
			'@id' => $this->data['href'],
			'headline' => $this->getPageTitle(),
			'author' => array(
				'@type' => 'Person',
				'name' => $this->data['member']['name'],
				'url' => $this->data['member']['href']
			),
			'url' => $this->data['href'],
			'articleBody' => $this->data['html_body'],
			'articleSection' => isset($board_info['name']) ? $board_info['name'] : '',
			'datePublished' => $this->data['time'],
			'dateModified' => !empty($this->data['modified']['name']) ? $this->data['modified']['time'] : $this->data['time'],
			'interactionStatistic' => array(
				'@type' => 'InteractionCounter',
				'interactionType' => 'https://schema.org/ReplyAction',
				'userInteractionCount' => !empty($context['real_num_replies']) ? $context['real_num_replies'] : 0,
			),
			'wordCount' => str_word_count($this->data['raw_body']),
			'publisher' => array(
				'@type' => 'Organization',
				'name' => un_htmlspecialchars($mbname),
				'logo' => array(
					'@type' => 'ImageObject',
					'url' => $logo[2],
					'width' => $logo[0],
					'height' => $logo[1],
				),
			),
			'mainEntityOfPage' => array(
				'@type' => 'WebPage',
				'@id' => !empty($context['canonical_url']) ? $context['canonical_url'] : $boardurl,
			),
		);

		// If the post has any attachments, set an ImageObject
		$image = $this->getAttachment();
		if (!empty($image))
		{
			$smd['image'] = $image;
		}

		return $smd;
	}

	/**
	 * Checks the post for any attachments to use as an image.  Will use the
	 * first below post attachment, failing that the first ILA, failing that nothing
	 *
	 * @return array
	 */
	private function getAttachment()
	{
		global $boardurl, $context;

		if (empty($this->data))
		{
			return array();
		}

		// If there are below post attachments, use the first one that is an image
		if (!empty($this->data['attachment']))
		{
			foreach ($this->data['attachment'] as $attachment)
			{
				if (isset($attachment['is_image']) && !empty($attachment['is_approved']))
				{
					return array(
						'@type' => 'ImageObject',
						'url' => $attachment['href'],
						'width' => isset($attachment['real_width']) ? $attachment['real_width'] : 0,
						'height' => isset($attachment['real_height']) ? $attachment['real_height'] : 0
					);
				}
			}
		}

		// Maybe it has an inline image?
		if (!empty($context['ila']))
		{
			foreach ($context['ila'] as $ila)
			{
				if (!empty($ila['width']) && !empty($ila['height']) && !empty($ila['approved']))
				{
					return array(
						'@type' => 'ImageObject',
						'url' => $boardurl . '/index.php?action=dlattach;attach=' . $ila['id_attach'] . ';image',
						'width' => isset($ila['width']) ? $ila['width'] : 0,
						'height' => isset($ila['height']) ? $ila['height'] : 0
					);
				}
			}
		}

		return array();
	}

	/**
	 * Function to provide backup page name if none is defined
	 *
	 * @param string $description
	 * @return string html safe title
	 */
	private function getPageTitle($description = '')
	{
		global $context;

		// As long as you are calling this class from the right area, this will be set
		if (!empty($context['page_title']))
		{
			return Util::shorten_text(Util::htmlspecialchars(un_htmlspecialchars($context['page_title'])), 110, true);
		}

		// Otherwise, do the best we can
		$description = empty($description) ? $this->getDescription() : $description;

		return Util::shorten_text(Util::htmlspecialchars(un_htmlspecialchars($description)), 110, true);
	}

	/**
	 * Prepares the description for use in Metadata
	 *
	 * This is typically already generated and is one of
	 * - The board description, set in MessageIndex Controller
	 * - The topic description, set in Display Controller
	 *
	 * Failing that will use one of
	 * - The page title
	 * - The site slogan
	 * - The site name
	 *
	 * @return string html safe description
	 */
	private function getDescription()
	{
		global $context, $settings, $mbname;

		// Supplied one, simply use it.
		if (!empty($context['page_description']) || !empty(!empty($context['description'])))
		{
			return isset($context['page_description']) ? $context['page_description'] : $context['description'];
		}

		// Build out a default that makes some sense
		if (!empty($this->data['description']))
		{
			$description = $this->data['description'];
		}
		else
		{
			$sitename = un_htmlspecialchars($mbname);

			// Avoid if possible a description like sitename - Index
			if (isset($context['page_title']) && strpos($context['page_title'], $sitename) === 0)
			{
				$description = isset($settings['site_slogan']) ? $settings['site_slogan'] : $context['page_title'];
			}
			else
			{
				$description = isset($context['page_title']) ? $context['page_title'] : (isset($settings['site_slogan']) ? $settings['site_slogan'] : $sitename);
			}
		}

		return Util::htmlspecialchars($description);
	}

	/**
	 * Basic OG Metadata to insert in to the <head></head> element.  See https://ogp.me
	 *
	 * This will generate *basic* og metadata, suitable for FB/Meta website/post sharing.
	 *
	 * og:title - The title of your article without any branding (site name)
	 * og:type - The type of your object, e.g., "website".
	 * og:image - The URL of the image that appears when someone shares the content
	 * og:url - The canonical URL of your page.
	 * og:site_name - The name which should be displayed for the overall site.
	 * og:description - A brief description of the content, usually between 2 and 4 sentences.
	 *
	 * @return array
	 */
	public function getOgData()
	{
		global $context, $boardurl, $mbname, $topic;

		$description = strip_tags($this->getDescription());
		$page_title = $this->getPageTitle();
		$logo = $this->getLogo();
		$attach = $this->getAttachment();

		// If on a post page, with attachments, use it vs a site logo
		if (isset($attach['url']))
		{
			$logo[2] = $attach['url'];
			$logo[1] = $attach['height'];
			$logo[0] = $attach['width'];
		}

		$metaOg = array();
		$metaOg['title'] = '<meta property="og:title" content="' . $page_title . '" />';
		$metaOg['type'] = '<meta property="og:type" content="' . (!empty($topic) ? 'article' : 'website') . '" />';
		$metaOg['url'] = '<meta property="og:url" content="' . (!empty($context['canonical_url']) ? $context['canonical_url'] : $boardurl) . '" />';
		$metaOg['image'] = '<meta property="og:image" content="' . $logo[2] . '" />';
		$metaOg['image_width'] = '<meta property="og:image:width" content="' . $logo[0] . '" />';
		$metaOg['image_height'] = '<meta property="og:image:height" content="' . $logo[1] . '" />';
		$metaOg['sitename'] = '<meta property="og:site_name" content="' . Util::htmlspecialchars($mbname) . '" />';
		$metaOg['description'] = '<meta property="og:description" content="' . $description . '" />';

		return $metaOg;
	}
}


1			<?php
2
3			/**
4			* Implementing this interface will make controllers usable as a front page
5			* replacing the classic board index.
6			*
7			* @name ElkArte Forum
8			* @copyright ElkArte Forum contributors
9			* @license BSD http://opensource.org/licenses/BSD-3-Clause
10			*
11			* @version 1.1.9
12			*
13			*/
14
15			/**
16			* Class Metadata_Integrate
17			*
18			* OG and Schema functions for creation of microdata
19			*/
20			class Metadata_Integrate
21			{
22			/** @var array data from the post renderer */
23			public $data;
24
25			/** @var array attachment data from AttachmentsDisplay Controller */
26			public $attachments;
27
28			/** @var array ila data from AttachmentsDisplay Controller */
29			public $ila;
30
31			/**
32			* Register Metadata hooks to the system.
33			*
34			* @return array
35			*/
36			public static function register()
37			{
38			global $modSettings;
39
40			if (empty($modSettings['metadata_enabled']))
41			{
42			return array();
43			}
44
45			// Simply load context with our data which will be consumed by the theme's index.template (if supported)
46			return array(
47			// Display
48			array('integrate_action_display_after', 'Metadata_Integrate::prepare_topic_metadata'),
49			// Board
50			array('integrate_action_boardindex_after', 'Metadata_Integrate::prepare_basic_metadata'),
51			// MessageIndex
52			array('integrate_action_messageindex_after', 'Metadata_Integrate::prepare_basic_metadata'),
53			);
54			}
55
56			/**
57			* Prepares Open Graph and Schema data for use in templates when viewing a specific topic
58			*
59			* - It will only generate full schema data when the pageindex of the topic is on page 1
60			*
61			* @param int $start
62			*/
63			public static function prepare_topic_metadata($start = -1)
64			{
65			global $context;
66
67			$meta = new self();
68			$start = isset($context['start']) ? $context['start'] : $start;
69
70			// Load in the post data if available
71			$meta->data = $meta->initPostData($start);
72			$meta->attachments = isset($meta->data['attachments']) ? $meta->data['attachments'] : array();
73			$meta->ila = !empty($context['ila_dont_show_attach_below']) ? $context['ila_dont_show_attach_below'] : array();
74
75			// Set the data into context for template use
76			$meta->setContext();
77			}
78
79			/**
80			* Prepares Open Graph and Schema data when viewing a message listing or the board index.
81			* Currently, this consists of a simple organizational card and OG with description
82			*/
83			public static function prepare_basic_metadata()
84			{
85			$meta = new self();
86
87			// Set the data into context for template use
88			$meta->setContext();
89			}
90
91			/*
92			* Set what we have created into context for template consumption.
93			*
94			* The schema data should be output in a template as
95			* <script type="application/ld+json">
96			* json_encode($data, JSON_PRETTY_PRINT \| JSON_UNESCAPED_SLASHES \| JSON_UNESCAPED_UNICODE)
97			* </script>
98			* OG data is an array of <meta> tags for implosion.
99			*/
100			private function setContext()
101			{
102			global $context;
103
104			// Set the data into context for template use
105			$context['smd_site'] = $this->getSiteSchema();
106			$context['smd_article'] = $this->getPostSchema();
107			$context['open_graph'] = $this->getOgData();
108			}
109
110			/**
111			* When viewing the first page of a topic, will return data from the first post
112			* to be used in creating microdata.
113			*
114			* Requires that display renderer, $context['get_message'], has been set via the Display Controller
115			*
116			* @param int $start
117			* @return array
118			*/
119			private function initPostData($start)
120			{
121			global $context, $topic;
122
123			$smd = array();
124
125			// If this is a topic, and we are on the first page (so we can get first post data)
126			if (!empty($topic)
127			&& $start === 0
128			&& (!empty($context['get_message'][0]) && is_object($context['get_message'][0])))
129			{
130			// Grab the first post of the thread to get proper thread author data
131			$controller = $context['get_message'][0];
132			$smd = $controller->{$context['get_message'][1]}();
133
134			// Create a short body, leaving some very basic html
135			$smd['raw_body'] = trim(strip_tags($smd['body']));
136			$smd['html_body'] = trim(strip_tags($smd['body'], '<br><strong><em><blockquote>'));
137			$smd['html_body'] = str_replace(array("\n", "\t"), '', $smd['html_body']);
138
139			// Strip attributes from any remaining tags
140			$smd['html_body'] = preg_replace('~<([bse][a-z0-9])[^>]?(/?)>~i', '<$1$2>', $smd['html_body']);
141			$smd['html_body'] = Util::shorten_html($smd['html_body'], 375);
142
143			// Create a short plain text description // $context['page_description']
144			$description = empty($context['description'])
145			? preg_replace('~\s\s+\| \|"\|'~', ' ', $smd['raw_body'])
146			: $context['description'];
147			$smd['description'] = Util::shorten_text($description, 110, true);
148
149			// Reset the pointer so the template does not miss the first post
150			$controller->{$context['get_message'][1]}(true);
151			}
152
153			return $smd;
154			}
155
156			/**
157			* Build and return the schema business card
158			*
159			* @return array
160			*/
161			public function getSiteSchema()
162			{
163			global $context, $boardurl, $mbname, $settings;
164
165			// Snag us a site logo
166			$logo = $this->getLogo();
167
168			$slogan = !empty($settings['site_slogan']) ? $settings['site_slogan'] : un_htmlspecialchars($mbname);
169
170			// The sites organizational card
171			return array(
172			'@context' => 'https://schema.org',
173			'@type' => 'Organization',
174			'url' => !empty($context['canonical_url']) ? $context['canonical_url'] : $boardurl,
175			'logo' => array(
176			'@type' => 'ImageObject',
177			'url' => $logo[2],
178			'width' => $logo[0],
179			'height' => $logo[1],
180			),
181			'name' => un_htmlspecialchars($context['forum_name']),
182			'slogan' => $slogan,
183			);
184			}
185
186			/**
187			* Function to return the sites logo url
188			*
189			* @return array width, height and html safe logo url
190			*/
191			private function getLogo()
192			{
193			global $context, $boardurl;
194
195			// Set in ThemeLoader
196			if (!empty($context['header_logo_url_html_safe']))
197			{
198			$logo = $context['header_logo_url_html_safe'];
199			}
200			else
201			{
202			$logo = $boardurl . '/mobile.png';
203			}
204
205			// This will also cache these values for us
206			require_once(SUBSDIR . '/Attachments.subs.php');
207			list($width, $height) = url_image_size(un_htmlspecialchars($logo));
208
209			return array($width, $height, $logo);
210			}
211
212			/**
213			* Build and return the article schema. This is intended for use when displaying
214			* a topic.
215			*
216			* @return array
217			*/
218			public function getPostSchema()
219			{
220			global $context, $boardurl, $mbname, $board_info;
221
222			$smd = array();
223
224			if (empty($this->data))
225			{
226			return $smd;
227			}
228
229			$logo = $this->getLogo();
230			$smd = array(
231			'@context' => 'https://schema.org',
232			'@type' => 'DiscussionForumPosting',
233			'@id' => $this->data['href'],
234			'headline' => $this->getPageTitle(),
235			'author' => array(
236			'@type' => 'Person',
237			'name' => $this->data['member']['name'],
238			'url' => $this->data['member']['href']
239			),
240			'url' => $this->data['href'],
241			'articleBody' => $this->data['html_body'],
242			'articleSection' => isset($board_info['name']) ? $board_info['name'] : '',
243			'datePublished' => $this->data['time'],
244			'dateModified' => !empty($this->data['modified']['name']) ? $this->data['modified']['time'] : $this->data['time'],
245			'interactionStatistic' => array(
246			'@type' => 'InteractionCounter',
247			'interactionType' => 'https://schema.org/ReplyAction',
248			'userInteractionCount' => !empty($context['real_num_replies']) ? $context['real_num_replies'] : 0,
249			),
250			'wordCount' => str_word_count($this->data['raw_body']),
251			'publisher' => array(
252			'@type' => 'Organization',
253			'name' => un_htmlspecialchars($mbname),
254			'logo' => array(
255			'@type' => 'ImageObject',
256			'url' => $logo[2],
257			'width' => $logo[0],
258			'height' => $logo[1],
259			),
260			),
261			'mainEntityOfPage' => array(
262			'@type' => 'WebPage',
263			'@id' => !empty($context['canonical_url']) ? $context['canonical_url'] : $boardurl,
264			),
265			);
266
267			// If the post has any attachments, set an ImageObject
268			$image = $this->getAttachment();
269			if (!empty($image))
270			{
271			$smd['image'] = $image;
272			}
273
274			return $smd;
275			}
276
277			/**
278			* Checks the post for any attachments to use as an image. Will use the
279			* first below post attachment, failing that the first ILA, failing that nothing
280			*
281			* @return array
282			*/
283			private function getAttachment()
284			{
285			global $boardurl, $context;
286
287			if (empty($this->data))
288			{
289			return array();
290			}
291
292			// If there are below post attachments, use the first one that is an image
293			if (!empty($this->data['attachment']))
294			{
295			foreach ($this->data['attachment'] as $attachment)
296			{
297			if (isset($attachment['is_image']) && !empty($attachment['is_approved']))
298			{
299			return array(
300			'@type' => 'ImageObject',
301			'url' => $attachment['href'],
302			'width' => isset($attachment['real_width']) ? $attachment['real_width'] : 0,
303			'height' => isset($attachment['real_height']) ? $attachment['real_height'] : 0
304			);
305			}
306			}
307			}
308
309			// Maybe it has an inline image?
310			if (!empty($context['ila']))
311			{
312			foreach ($context['ila'] as $ila)
313			{
314			if (!empty($ila['width']) && !empty($ila['height']) && !empty($ila['approved']))
315			{
316			return array(
317			'@type' => 'ImageObject',
318			'url' => $boardurl . '/index.php?action=dlattach;attach=' . $ila['id_attach'] . ';image',
319			'width' => isset($ila['width']) ? $ila['width'] : 0,
320			'height' => isset($ila['height']) ? $ila['height'] : 0
321			);
322			}
323			}
324			}
325
326			return array();
327			}
328
329			/**
330			* Function to provide backup page name if none is defined
331			*
332			* @param string $description
333			* @return string html safe title
334			*/
335			private function getPageTitle($description = '')
336			{
337			global $context;
338
339			// As long as you are calling this class from the right area, this will be set
340			if (!empty($context['page_title']))
341			{
342			return Util::shorten_text(Util::htmlspecialchars(un_htmlspecialchars($context['page_title'])), 110, true);
343			}
344
345			// Otherwise, do the best we can
346			$description = empty($description) ? $this->getDescription() : $description;
347
348			return Util::shorten_text(Util::htmlspecialchars(un_htmlspecialchars($description)), 110, true);
349			}
350
351			/**
352			* Prepares the description for use in Metadata
353			*
354			* This is typically already generated and is one of
355			* - The board description, set in MessageIndex Controller
356			* - The topic description, set in Display Controller
357			*
358			* Failing that will use one of
359			* - The page title
360			* - The site slogan
361			* - The site name
362			*
363			* @return string html safe description
364			*/
365			private function getDescription()
366			{
367			global $context, $settings, $mbname;
368
369			// Supplied one, simply use it.
370			if (!empty($context['page_description']) \|\| !empty(!empty($context['description'])))
371			{
372			return isset($context['page_description']) ? $context['page_description'] : $context['description'];
373			}
374
375			// Build out a default that makes some sense
376			if (!empty($this->data['description']))
377			{
378			$description = $this->data['description'];
379			}
380			else
381			{
382			$sitename = un_htmlspecialchars($mbname);
383
384			// Avoid if possible a description like sitename - Index
385			if (isset($context['page_title']) && strpos($context['page_title'], $sitename) === 0)
386			{
387			$description = isset($settings['site_slogan']) ? $settings['site_slogan'] : $context['page_title'];
388			}
389			else
390			{
391			$description = isset($context['page_title']) ? $context['page_title'] : (isset($settings['site_slogan']) ? $settings['site_slogan'] : $sitename);
392			}
393			}
394
395			return Util::htmlspecialchars($description);
396			}
397
398			/**
399			* Basic OG Metadata to insert in to the <head></head> element. See https://ogp.me
400			*
401			* This will generate basic og metadata, suitable for FB/Meta website/post sharing.
402			*
403			* og:title - The title of your article without any branding (site name)
404			* og:type - The type of your object, e.g., "website".
405			* og:image - The URL of the image that appears when someone shares the content
406			* og:url - The canonical URL of your page.
407			* og:site_name - The name which should be displayed for the overall site.
408			* og:description - A brief description of the content, usually between 2 and 4 sentences.
409			*
410			* @return array
411			*/
412			public function getOgData()
413			{
414			global $context, $boardurl, $mbname, $topic;
415
416			$description = strip_tags($this->getDescription());
417			$page_title = $this->getPageTitle();
418			$logo = $this->getLogo();
419			$attach = $this->getAttachment();
420
421			// If on a post page, with attachments, use it vs a site logo
422			if (isset($attach['url']))
423			{
424			$logo[2] = $attach['url'];
425			$logo[1] = $attach['height'];
426			$logo[0] = $attach['width'];
427			}
428
429			$metaOg = array();
430			$metaOg['title'] = '<meta property="og:title" content="' . $page_title . '" />';
431			$metaOg['type'] = '<meta property="og:type" content="' . (!empty($topic) ? 'article' : 'website') . '" />';
432			$metaOg['url'] = '<meta property="og:url" content="' . (!empty($context['canonical_url']) ? $context['canonical_url'] : $boardurl) . '" />';
433			$metaOg['image'] = '<meta property="og:image" content="' . $logo[2] . '" />';
434			$metaOg['image_width'] = '<meta property="og:image:width" content="' . $logo[0] . '" />';
435			$metaOg['image_height'] = '<meta property="og:image:height" content="' . $logo[1] . '" />';
436			$metaOg['sitename'] = '<meta property="og:site_name" content="' . Util::htmlspecialchars($mbname) . '" />';
437			$metaOg['description'] = '<meta property="og:description" content="' . $description . '" />';
438
439			return $metaOg;
440			}
441			}
442

elkarte / Elkarte

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Metadata_Integrate::getPageTitle() A

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