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August 25, 2019 22:21
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Schema.org addtions for better SEO - Function for WordPress
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/** | |
* Schema.org addtions for better SEO | |
* @param string Type of the element | |
* @return string HTML Attribute | |
*/ | |
function get_schema_markup($type, $echo = false) { | |
if (empty($type)) return false; | |
$attributes = ''; | |
$attr = array(); | |
switch ($type) { | |
case 'body': | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/WebPage'; | |
break; | |
case 'header': | |
$attr['role'] = 'banner'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/WPHeader'; | |
break; | |
case 'nav': | |
$attr['role'] = 'navigation'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/SiteNavigationElement'; | |
break; | |
case 'title': | |
$attr['itemprop'] = 'headline'; | |
break; | |
case 'sidebar': | |
$attr['role'] = 'complementary'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/WPSideBar'; | |
break; | |
case 'footer': | |
$attr['role'] = 'contentinfo'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/WPFooter'; | |
break; | |
case 'main': | |
$attr['role'] = 'main'; | |
$attr['itemprop'] = 'mainContentOfPage'; | |
if (is_search()) { | |
$attr['itemtype'] = 'https://schema.org/SearchResultsPage'; | |
} | |
break; | |
case 'author': | |
$attr['itemprop'] = 'author'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/Person'; | |
break; | |
case 'person': | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/Person'; | |
break; | |
case 'comment': | |
$attr['itemprop'] = 'comment'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/UserComments'; | |
break; | |
case 'comment_author': | |
$attr['itemprop'] = 'creator'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/Person'; | |
break; | |
case 'comment_author_link': | |
$attr['itemprop'] = 'creator'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/Person'; | |
$attr['rel'] = 'external nofollow'; | |
break; | |
case 'comment_time': | |
$attr['itemprop'] = 'commentTime'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['datetime'] = get_the_time('c'); | |
break; | |
case 'comment_text': | |
$attr['itemprop'] = 'commentText'; | |
break; | |
case 'author_box': | |
$attr['itemprop'] = 'author'; | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/Person'; | |
break; | |
case 'video': | |
$attr['itemprop'] = 'video'; | |
$attr['itemtype'] = 'https://schema.org/VideoObject'; | |
break; | |
case 'audio': | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/AudioObject'; | |
break; | |
case 'blog': | |
$attr['itemscope'] = 'itemscope'; | |
$attr['itemtype'] = 'https://schema.org/Blog'; | |
break; | |
case 'name': | |
$attr['itemprop'] = 'name'; | |
break; | |
case 'url': | |
$attr['itemprop'] = 'url'; | |
break; | |
case 'email': | |
$attr['itemprop'] = 'email'; | |
break; | |
case 'job': | |
$attr['itemprop'] = 'jobTitle'; | |
break; | |
case 'post_time': | |
$attr['itemprop'] = 'datePublished'; | |
$attr['datetime'] = get_the_time('c', $args['id']); | |
break; | |
case 'post_title': | |
$attr['itemprop'] = 'headline'; | |
break; | |
case 'post_content': | |
$attr['itemprop'] = 'text'; | |
break; | |
} | |
foreach ($attr as $key => $value) { | |
$attributes.= $key . '="' . $value . '" '; | |
} | |
if ($echo) { | |
echo $attributes; | |
} | |
else { | |
return $attributes; | |
} | |
} |
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