';
}
function load_wpogp_settings() {
global $ogpt_settings;
$ogpt_settings['fb:appid'] = get_option(OGPT_SETTINGS_KEY_FB_APPID);
$ogpt_settings['fb:admins'] = get_option(OGPT_SETTINGS_KEY_FB_ADMINS);
$ogpt_settings['fb:page_id'] = get_option(OGPT_SETTINGS_KEY_FB_PAGEID);
}
function wpogp_plugin_path() {
return get_option('siteurl') .'/wp-content/plugins/' . basename(dirname(__FILE__));
}
function wpogp_image_url_default() {
// default image associated is in the plugin directory named "default.png"
return wpogp_plugin_path() . '/default.jpg';
}
function wpogp_image_url() {
global $post;
$image = get_the_post_thumbnail_src(get_the_post_thumbnail($post->ID));
if ( empty($image) )
{ return wpogp_image_url_default();}
else
{ return $image; }
}
function wpogp_set_data() {
global $wp_query;
load_wpogp_settings();
$data = array();
if (is_home()) :
$data['og:title'] = get_bloginfo('name');
$data['og:type'] = OGPT_DEFAULT_TYPE;
$data['og:image'] = wpogp_image_url_default();
$data['image_src'] = wpogp_image_url_default();
$data['og:url'] = get_bloginfo('url');
$data['og:site_name'] = get_bloginfo('name');
elseif (is_single() || is_page()):
$data['og:title'] = get_the_title();
$data['og:type'] = 'article';
$data['og:image'] = wpogp_image_url();
$data['image_src'] = wpogp_image_url();
$data['og:url'] = get_permalink();
$data['og:site_name'] = get_bloginfo('name');
else:
$data['og:title'] = get_bloginfo('name');
$data['og:type'] = 'article';
$data['og:image'] = wpogp_image_url();
$data['image_src'] = wpogp_image_url();
$data['og:url'] = get_bloginfo('url');
$data['og:site_name'] = get_bloginfo('name');
endif;
global $ogpt_settings;
foreach($ogpt_settings as $key => $value) {
if ($value!='') {
$data[$key] = $value;
}
}
return $data;
}
function wpogp_add_head() {
$data = wpogp_set_data();
echo get_wpogp_headers($data);
}
function get_wpogp_headers($data) {
if (!count($data)) {
return;
}
$out = array();
$out[] = "\n";
foreach ($data as $property => $content) {
if ($content != '') {
$out[] = get_wpogp_tag($property, $content);
} else {
$out[] = "";
}
}
return implode("\n", $out);
}
function get_wpogp_tag($property, $content) {
return "