bludit/plugins/opengraph/plugin.php

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<?php
class pluginOpenGraph extends Plugin {
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public function siteHead()
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{
global $Url, $Site;
global $Post, $Page;
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$og = array(
'locale' =>$Site->locale(),
'type' =>'website',
'title' =>$Site->title(),
'description' =>$Site->description(),
'url' =>$Site->url(),
'image' =>'',
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'siteName' =>$Site->title()
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);
switch($Url->whereAmI())
{
case 'post':
$og['type'] = 'article';
$og['title'] = $Post->title().' | '.$og['title'];
$og['description'] = $Post->description();
$og['url'] = $Post->permalink(true);
break;
case 'page':
$og['type'] = 'article';
$og['title'] = $Page->title().' | '.$og['title'];
$og['description'] = $Page->description();
$og['url'] = $Page->permalink(true);
break;
}
$html = PHP_EOL.'<!-- Open Graph -->'.PHP_EOL;
$html .= '<meta property="og:locale" content="'.$og['locale'].'">'.PHP_EOL;
$html .= '<meta property="og:type" content="'.$og['type'].'">'.PHP_EOL;
$html .= '<meta property="og:title" content="'.$og['title'].'">'.PHP_EOL;
$html .= '<meta property="og:description" content="'.$og['description'].'">'.PHP_EOL;
$html .= '<meta property="og:image" content="'.$og['image'].'">'.PHP_EOL;
$html .= '<meta property="og:url" content="'.$og['url'].'">'.PHP_EOL;
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$html .= '<meta property="og:siteName" content="'.$og['siteName'].'">'.PHP_EOL;
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return $html;
}
}