function layotter_make_search_dump($data, $raw_post)
{
$post_id = $raw_post['ID'];
// don't change anything if not editing a Layotter-enabled post
if (!Layotter::is_enabled_for_post($post_id) or !isset($raw_post['layotter_json'])) {
return $data;
}
// copy JSON from POST and strip slashes that were added by Wordpress
$json = $raw_post['layotter_json'];
$unslashed_json = stripslashes_deep($json);
// turn JSON into post content HTML
$layotter_post = new Layotter_Post($unslashed_json);
$content = $layotter_post->get_frontend_view();
// save JSON to a custom field (oddly enough, Wordpress breaks JSON if it's stripslashed)
update_post_meta($post_id, 'layotter_json', $json);
// insert spaces to prevent <p>foo</p><p>bar</p> becoming "foobar" instead of "foo bar"
// then strip all tags except <img>
// then remove excess whitespace
$spaced_content = str_replace('<', ' <', $content);
$clean_content = strip_tags($spaced_content, '<img>');
$normalized_content = trim($clean_content);
if (function_exists('mb_ereg_replace')) {
$normalized_content = mb_ereg_replace('/\\s+/', ' ', $normalized_content);
}
// wrap search dump with a [layotter] shortcode and return modified post data to be saved to the database
// add the post ID because otherwise the shortcode handler would have no reliable way to get the post ID through
// which the JSON data will be fetched
$shortcoded_content = '[layotter post="' . $post_id . '"]' . $normalized_content . '[/layotter]';
$data['post_content'] = $shortcoded_content;
return $data;
}
/**
* Process post content
*
* @param array $atts Shortcode attributes
* @param string $input Data wrapped by the [layotter] shortcode
* @return string HTML for frontend view of the current post
*/
function layotter_frontend_shortcode($atts, $input = '')
{
// since 1.5.0, shortcode attributes carry a post ID, and JSON is stored in a custom field
// before 1.5.0, JSON was stored directly in the post content
// get_the_ID() wouldn't be reliable here because this shortcode handler might be triggered in a context where the
// $post variable hasn't been correctly initialized, like do_shortcode() or apply_filters('the_content')
if (isset($atts['post']) and Layotter::is_enabled_for_post($atts['post'])) {
$post_id = intval($atts['post']);
$layotter = new Layotter_Post($post_id);
} else {
$layotter = new Layotter_Post($input);
}
$html = $layotter->get_frontend_view();
// apply wptexturize manually after post HTML has been parsed because automatic wptexturizing is disabled for
// Layotter content (see layotter_disable_wptexturize() below)
return wptexturize($html);
}
