/**
* the_content filter that will add linked posts to the bottom of the main post content
*
* @param $content
*
* @return string
*/
public function run($content)
{
/**
* Wow, what's going on here?! Well, setup_postdata() sets a lot of variables but does not change the $post variable.
* All checks return the main queried ID but we want to check if this specific filter call is the for the 'main' content.
* The method setup_postdata() does global and set the $id variable, so we're checking that.
*/
global $id;
// Only run on single
if (!is_singular() || !is_main_query() || $id != get_queried_object_id()) {
return $content;
}
// Allow disabling content filter
if (false === apply_filters('rp4wp_append_content', true)) {
return $content;
}
// The Post Type
$post_type = get_post_type($id);
// The Post Type Manager
$pt_manager = new RP4WP_Post_Type_Manager();
// Check if this Post Type is installed
if ($pt_manager->is_post_type_installed($post_type) && isset(RP4WP()->settings['general_' . $post_type])) {
// Related Post Manager
$related_post_manager = new RP4WP_Related_Post_Manager();
// The Output
$output = $related_post_manager->generate_related_posts_list($id);
// Add output if there is any
if ('' != $output) {
$content .= $output;
}
}
// Return the content
return $content;
}
/**
* Generate the Related Posts for WordPress children list
*
* @param bool $id
* @param bool $output
* @param string $template
* @param int $limit
*
* @since 1.0.0
* @access public
*
* @return string
*/
function rp4wp_children($id = false, $output = true, $template = 'related-posts-default.php', $limit = -1)
{
// Get the current ID if ID not set
if (false === $id) {
$id = get_the_ID();
}
// Get the post type
$post_type = get_post_type($id);
// Check if this Post Type is installed
$pt_manager = new RP4WP_Post_Type_Manager();
if ($pt_manager->is_post_type_installed($post_type) && isset(RP4WP()->settings['general_' . $post_type])) {
// related Post Manager
$related_post_manager = new RP4WP_Related_Post_Manager();
// the Output
$content = $related_post_manager->generate_related_posts_list($id, $template, $limit);
// Output or return the content
if ($output) {
echo $content;
} else {
return $content;
}
}
}
