WordPress Plugin that adds Open Graph Protocol Metadata to your blog. To download a copy, click "Download Source" and choose the zip file. Unzip, and place the resulting folder in your WordPress installation under wp-content/plugins/

Home Page: http://lab.artlung.com/open-graph-protocol-tools/

PHP 100.00%

open-graph-protocol-plugin-for-wordpress's Introduction

=== Plugin Name === Contributors: artlung,pathawks Donate link: http://joecrawford.com/plugin-donation Tags: metadata, opengraphprotocol, facebook Requires at least: 2.9 Tested up to: 5.5 Stable tag: 1.91

Adds Open Graph Protocol meta to the individual pages and posts of your WordPress Install.

== Description ==

Adds Open Graph Protocol meta tags to individual content pages of your WordPress install. Works in coordination with "Like" buttons and "share" inside Facebook and other consumers of OGP metadata.

== Installation ==

Upload open-graph-protocol-tools/ to the /wp-content/plugins/ directory
Activate the plugin through the 'Plugins' menu in WordPress
To add the "Like" module, use this code:

<?php
/**
 * Include this code on your theme for single blog posts (for example, in your single.php file)
 * or on your blogs main page to include a Facebook "Like" iframe
 */
if (function_exists('the_opengraphprotocoltools_like_code')):
   the_opengraphprotocoltools_like_code();
else:
	echo "<!-- opengraphprotocoltools is not activated -->";
endif;
?>

It would be best if in your theme you also added an attribute in the <html> tag, like this: <html prefix="og: http://ogp.me/ns#">

== Frequently Asked Questions ==

= Is there a FAQ? =

I've gotten some bug reports via GitHub, you can report bugs or make comments there.

= For more information about Open Graph Protocol =

Visit Open Graph Protocol.

== Screenshots ==

None.

== Changelog ==

= 1 =

First version.

= 1.2 =

Changed instructions, fixes encoding errors for non-English content.

= 1.3 =

Improve issue with home vs front page

= 1.6 =

Improvements by pathawks to accommodate more types
Address double encoding issue with wptexturize modified values

= 1.7 =

Misc improvements I never enumerated and can't remember. Whoops.

= 1.8 =

WordPress 5 compatibility check!

= 1.9 =

Support for tag archive pages

= 1.91 =

WordPress 5.5 compatible

= 1.9.6 =

WordPress 6.4 compatible

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open-graph-protocol-plugin-for-wordpress's Issues

too many newlines

I prefer the output as generated by:

$out = array();

foreach ($data as $property => $content) {
    if ($content != '') {
        $out[] = get_opengraphprotocoltools_tag($property, $content);
    } else {
        $out[] = "<!--{$property} value was blank-->";
    }
}

return implode("\n", $out) . "\n";

Format Issue

Hi,

Your plugin works great, but i am having eon issue.

When i go to share a post which has '-' as part of the title it is not displaying properly.

Etc - i go to link a posts called - Mangakino Area School – Polyfest Calendar. Tokoroa 2012
But in Facebook it is linked as Mangakino Area School – Polyfest Calendar. Tokoroa 2012

So the '-' is being displayed as –

Any idea how to fix this issue, other than renaming all my posts.

Thanks in advance
Megan

Namespace declaration missing

This plugin currently does not add xmlns:og="http://opengraphprotocol.org/schema/ to the <html> element. Perhaps Wordpress' API doesn't allow plugins to do that? If not, then adding the xmlns:og attribute to each <meta> element ought to work fine.

Type should be 'article' instead of 'blog'

According to http://developers.facebook.com/docs/opengraph/#types

Use article for any URL that represents transient content - such as a news article, blog post, photo, video, etc.
Do not use website for this purpose. website and blog are designed to represent an entire site, an og:type tag with types website or blog should usually only appear on the root of a domain.

Grabbing the images

You can use this:

function opengraphprotocoltools_image_url() {
global $post;

if( $images = get_children( 'post_type=attachment&post_mime_type=image&post_parent='.$post->ID ) )
{
    foreach( $images as $image )
    {
        $res = wp_get_attachment_image_src( $image->ID, 'medium' );
        return $res[ 0 ];
    }
}

return opengraphprotocoltools_image_url_default();

}

Apparently generating invalid HTML

W3C validator is reporting multiple errors on the home page and individual posts of a site using this plugin, in pairs of the kind:

Attribute property not allowed on element meta at this point.

Element meta is missing one or more of the following attributes: http-equiv, itemprop, name.

Accordingly, I've disabled the plugin, so cannot provide an example URL.

Charset problem

Hi, i think there is problem with charset
look here:
http://developers.facebook.com/tools/debug/og/object?q=www.urate.mn

My website is non-english and charset is utf-8. For some reason when I activate this plugin charset for texts for facebook messed up like above.

any one has any idea?
tnx

Error when writing the title

Hi Artlung.

I think the error is in the plugin when creating meta property="og:title" content="xx" / and meta property="og:site_name" content="xxx" . I tested a simple html manual inclusion of a facebook Ç and á and reads correctly.

I can read in http://www.calcots.es code to web

If you want to add an image to facebook and write correctly "Calçots de Valls from Calçot"