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easyrdf/examples/open_graph_protocol.php
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| <?php | |
| /** | |
| * Example of reading Open Graph Protocol properties | |
| * | |
| * Fetches and parses an HTML, reading the Open Graph Protocol data from the page. | |
| * Open Graph Protocol uses a subset of RDFa. | |
| * | |
| * @package EasyRdf | |
| * @copyright Copyright (c) 2020 Nicholas J Humfrey | |
| * @license http://unlicense.org/ | |
| */ | |
| require_once realpath(__DIR__.'/..')."/vendor/autoload.php"; | |
| require_once __DIR__."/html_tag_helpers.php"; | |
| \EasyRdf\RdfNamespace::setDefault('og'); | |
| ?> | |
| <html> | |
| <head> | |
| <title>Open Graph Protocol example</title> | |
| <style type="text/css"> | |
| body { font-family: sans-serif; } | |
| dt { font-weight: bold; } | |
| .image { float: right; margin: 10px;} | |
| </style> | |
| </head> | |
| <body> | |
| <?php | |
| $doc = \EasyRdf\Graph::newAndLoad('https://www.rottentomatoes.com/m/oceans_eleven'); | |
| if ($doc->image) { | |
| echo content_tag('img', null, array('src'=>$doc->image, 'class'=>'image')); | |
| } | |
| ?> | |
| <h1>Open Graph Protocol example</h1> | |
| <dl> | |
| <dt>Page:</dt> <dd><?= link_to($doc->url) ?></dd> | |
| <dt>Title:</dt> <dd><?= $doc->title ?></dd> | |
| <dt>Description:</dt> <dd><?= $doc->description ?></dd> | |
| </dl> | |
| </body> | |
| </html> |