/**
* Optionally hide the title header tag on the front end via CSS but still render it in the DOM for SEO purposes.
*
* Can be used on single posts/pages including CPT's. Only hide title header tag if checkbox selected on post editor.
*
* @since 0.1.0
*/
public static function hide_title_header_tag($id, $hd_tag = 'h1', $classes = '', $post_meta_id = '_wpgo_hide_title_header_tag')
{
$empty_placeholder = '(' . __('no title', 'wpgothemes') . ')';
$empty_placeholder = WPGo_Hooks::wpgo_empty_title_placeholder($empty_placeholder);
/* Sanitize CSS class list. */
$class_list = explode(" ", $classes);
$classes = '';
//reset
foreach ($class_list as $class) {
$classes .= sanitize_html_class($class) . ' ';
}
$classes = rtrim($classes);
// get rid of trailing space
$hide_title_header_tag = get_post_meta($id, $post_meta_id, true);
$title = get_the_title();
if (empty($title)) {
$title = $empty_placeholder;
}
// if user hasn't entered a title give it a placeholder title
/* Add classes attribute if not empty. */
if (!empty($classes)) {
$classes = ' class="' . $classes . '"';
}
if ('1' == $hide_title_header_tag) {
echo '<' . $hd_tag . ' style="display:none;"' . $classes . '>' . $title . '</' . $hd_tag . '>';
} else {
echo '<' . $hd_tag . $classes . '>' . $title . '</' . $hd_tag . '>';
}
}