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I created a shortcode that must only be usable from within the first post (is_first_post = 1).
The plugin is already fully working, I just need to add the check if it's being called from within the first post.
How can I do that?
I already had a look at:
$WPF = WPF(); $WPF_posts = $WPF->current_object['posts'];
But that lists ALL the posts (so including replies) on the page/of the topic... but it doesn't tell me from within which post I called the information.
Anyone an idea how to get hold of just the details of the post from which the shortcode is triggered?
@sofy I want the shortcode to only work from within the first post of the topic.
When I can obtain the metadata for the post the shortcode is located in / triggered from, then I can check for is_first_post = 1.
@sofy Does the additional info I provide help you to understand my situation? If not, please let me know. Unfortunately - I haven't been able to find a solution myself so far.
It'd be better if you could provide us more details. We're sorry, but we couldn't fully understand your request.
@sofy let me try again:
- I have created a topic.
- In the first post in the topic I want to be able to use a custom shortcode (e.g.
[csv2table] demo,text,here 123,456,789 [/csv2table]
).
- When rendering the csv2table shortcode I want to confirm that the shortcode is positioned in / triggered from the first post of the topic.
- I know that the first post state is stored in the database in the is_first_post column (if first post than value is 1) in the wp_wpforo_posts table.
- My question is: how can I obtain that is_first_post value in my csv2table shortcode so it will -only- transform the csv data (the shortcode content) into a table when it's being positioned in / triggered from the first post of the topic?
I've finally managed to get to a working solution (workaround?) but @sofy if you or another admin know of a better / more direct method then by all means share that solution with me/us.
First I capture the post array every time wpForo renders a post and make it available for shortcode to pick up later on:
// NOTE: the wpforo_content filter only passes two parameters: the rendered $content and the $forum array. There are no such parameters as $topic or $post.
add_filter( 'wpforo_content', 'scc_wpforo_forum_postmeta', 11, 2 );
function scc_wpforo_forum_postmeta( $content, $forum = [] ) {
// store the raw post array to read later in the custom shortcode
$GLOBALS['scc_wpforo_forum_postmeta'] = $forum;
// now process ALL shortcodes in this content
return do_shortcode( $content );
}
add_shortcode( 'csv2table', 'scc_csv2table_shortcode_handler' );
function scc_csv2table_shortcode_handler( $atts, $content = null ) {
$atts = shortcode_atts(
[
'show_header' => true,
'zebra_stripping' => true,
],
$atts,
'csv2table'
);
// let's get the info from the stored $forum into $postmeta
$postmeta = $GLOBALS['scc_wpforo_forum_postmeta'] ?? [];
// when not the first post then return alternative output eg. a notification
if ( empty( $postmeta['is_first_post'] ) ) {
return '<div class="alert-information">Shortcode CSV2TABLE does not render in replies.</div>';
}
// otherwise render script to generate table from csv data provided in shortcode content
// ... script to read the csv and turn it into a table, for the demo I replaced it with a simple text
$table = "CSV2TABLE";
return $table;
}
In the $forum array the following values are available:
[postid] => int [parentid] => int [forumid] => int [topicid] => int [userid] => int [title] => string [created] => datetime [modified] => datetime [likes] => int [votes] => int [is_answer] => int [is_first_post] => int [status] => int [name] => empty (/ string) [email] => empty (/ string) [private] => int [root] => int (can be negative) [url] => string [full_url] => string [short_url] => string [is_answered] => int [likes_count] => int [likers_usernames] => array
So that is almost all columns from the wp_wpforo_posts table and some from other tables.
Via the check on is_first_post I can determine whether or not the shortcode is positioned in / triggered from the very first post in the topic.
I could also use this to allow only certain userid's to use certain shortcodes.
What I would love to see possible as well in the future is:
- if the post / reply is from the topic starter,
- and the role of the user who posted the post / reply.
I've contacted the developers regarding this code. They've reviewed your solution.
Here is their response:
“The solution is a good one. It is the best and most optimal approach for this case. No further improvements are required.”
