You’re overcomplicating it a bit. ?um_action=edit is a query string, and its values are available in the $_GET superglobal. To check if it exists, and has a specific value, you just need to do this: function leweb_add_body_class_um_edit_profile( $classes ) { if ( isset( $_GET[‘um_action’] ) && ‘edit’ === $_GET[‘um_action’] ) { $classes[] = ‘leweb-um-profile-edit’; } … Read more
You can use a closure for that together with the use keyword. Simple example: $dynamic_value = 4; add_shortcode( ‘shortcodename’, function( $attributes, $content, $shortcode_name ) use $dynamic_value { return $dynamic_value; } ); See also Passing a parameter to filter and action functions.
This really needs more context in what apple and banana are referring to and what you’re trying to accomplish and how you’ve already tried to accomplish it… You could do a custom query and set the parameters in terms based on whatever was selected in the multiple choice. This is assuming that A. fruit is … Read more
If you have a look at function do_meta_boxes() in wp-admin/includes/template.php then you’ll see this line close to the end of the function: call_user_func($box[‘callback’], $object, $box); That calls the callback function and provides the two arguments. The $box argument holds all the information about the metabox, like ID, title, callback function. In wp-admin/edit-form-advanced.php, which displays your … Read more
You don’t have to specify number of arguments, in which case it will default to one. Essentially this argument gives you control on how many arguments hook will pass to function, which matters in few too many situations to come up with generic explanation. In a nutshell if hook can pass N arguments, your options … Read more
First, you register your query vars param1 and param2: function wpse_101951_query_vars( $qv ) { $qv[] = ‘param1’; $qv[] = ‘param2’; return $qv; } add_filter( ‘query_vars’, ‘wpse_101951_query_vars’ ); To use this information, you can pretty much hook into any action or filter after parse_query. That’s the first action available after the query vars are set, so … Read more
This problem can be met when hooking in whatever hook that has already been triggered by a precedent do_action (ie. when this_hook has already been mentionned in a do_action within the core files of wordpress or within whatever plugin files) In that particular case, demanding arguments when registering a new function within an add_action(‘this_hook’,’function’, $priority, … Read more
parent : Comments can be replies to other comments. Every comment has an ID number. When the comment is a reply, then it will have a “parent” which is the ID of the comment it is replying to. Putting a comment ID in here will get all the replies to that comment. post_parent : Posts … Read more
If you check the line from the error notice you should find in WP 4.9.1 the usage of the function array_filter, that need a array as parameter (see the code). Your value inside your array for an post need an array for ‘post_category’, is currently a string. From the source of the WP core: * … Read more
Spammers use the URL of unapproved comments to share around the Internet. This makes the comments viewable until the comment is dealt with via approval process. WordPress’ contributors are working on a patch for the next version. https://core.trac.wordpress.org/ticket/49956