Merge pull request #25 from artlung/supportForTagPages

Adding support for Tag Archive Pages

Author: artlung

open-graph-protocol-tools.php

@@ -281,7 +281,12 @@ function opengraphprotocoltools_set_data() {
 		$meta_tags = array_merge($meta_tags,opengraphprotocoltools_image());
 		$meta_tags = array_merge($meta_tags,opengraphprotocoltools_audio());
 		$meta_tags = array_merge($meta_tags,opengraphprotocoltools_video());
-		
+	elseif (is_archive() && is_tag()):
+        $the_tag =  single_tag_title('', false);
+        $meta_tags['http://ogp.me/ns#title'] = get_bloginfo('name') . ": tag: " . $the_tag;
+//        $meta_tags['http://ogp.me/ns#url'] = "";
+        $meta_tags['http://ogp.me/ns#description'] = get_bloginfo('name') . " posts tagged with " . $the_tag;
+        $meta_tags['twitter:creator'] = get_opengraphprotocoltools_author_twitter();
 	else:
 		$meta_tags['http://ogp.me/ns#title'] = get_bloginfo('name');
 		$meta_tags['http://ogp.me/ns#url'] = get_bloginfo('url');

readme.md

@@ -4,7 +4,7 @@ Donate link: http://joecrawford.com/plugin-donation
 Tags: metadata, opengraphprotocol, facebook
 Requires at least: 2.9
 Tested up to: 5.0
-Stable tag: 1.8
+Stable tag: 1.9
 
 Adds Open Graph Protocol meta to the individual pages and posts of your WordPress Install. 
 
@@ -70,3 +70,7 @@ None.
  = 1.8 =
 
  * WordPress 5 compatibility check!
+ 
+ = 1.9 =
+ 
+ * Support for tag archive pages