Simon Thomsen Simon Thomsen - 1 year ago 148
PHP Question

Get Facebook meta tags with PHP

I'm trying to get Facebook's meta tags from my HTML.

I'm using simple html dom to get all html data from the site.
I've tried with preg_replace, but without luck.

I want for example to get the content of this fb meta tag:

<meta content="IMAGE URL" property="og:image" />

Hope someone can help! :-)

Answer Source

I Was going to suggest to use get_meta_tags() but it seems to not work (for me) :s

$tags = get_meta_tags('');
echo $tags['og:image'];

But I would rather suggest using DOMDocument anyways:

$sites_html = file_get_contents('');

$html = new DOMDocument();
$meta_og_img = null;
//Get all meta tags and loop through them.
foreach($html->getElementsByTagName('meta') as $meta) {
    //If the property attribute of the meta tag is og:image
        //Assign the value from content attribute to $meta_og_img
        $meta_og_img = $meta->getAttribute('content');
echo $meta_og_img;

Hope it helps

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