There’s a lot of filter hooks available, and your question is rather board. However, generally WordPress-generated content is handled by three hooks: the_title: applied to the post title retrieved from the database, prior to printing on the screen (also used in some other operations, such as trackbacks). the_content : applied to the post content retrieved … Read more
Man, you can not hook to that filter at all. I’ve followed the source code in order to find out whether there is any posibility, but unfortunately, there isn’t. The function which generates select months_dropdown does not contains any filter at all. months_dropdown function is a part of a WP_List_Table class and it’s derivates (Classes … Read more
Maybe it is too late to hook on init. Try set_current_user or some earlier hook. List is here: https://codex.wordpress.org/Plugin_API/Action_Reference
The advantage of using the value provided by WordPress in the hook variable is future compatibility with WordPress Versions and not having to worry about $_GET variable manipulation by way of the user or another WordPress plugin. Checking the $_GET array works, but can be unreliable especially when other poorly coded plugins start messing with … Read more
new_to_holding doesn’t exist as a post status transition – you need to use the generic transition_post_status action. Something like (untested): add_action(‘transition_post_status’,’my_holding_function’, 10, 3); function my_holding_function( $new_status, $old_status, $post ) { if ( ‘holding’ == $new_status ) { // do stuff } }
If you register a script with wp_register_script() it is not neccessary to pass all the options in wp_enqueue_script() again. You can register the script in a central place and use the enqueueing it in diffenrent files. functions.php wp_register_script( ‘theme_script’, ‘path/to/script.js’, array( [dependencies] ), ‘1.0’, true ); […] if ( $condition ) require_once ‘file1.php’; else require_once … Read more
There is code that needs to run, thing that need to be setup, before you enqueue. If you enqueue too early those prerequisites will not be filled and you will see … Notice: wp_enqueue_style was called incorrectly. Scripts and styles should not be registered or enqueued until the wp_enqueue_scripts, admin_enqueue_scripts, or init hooks. Please see … Read more
Text its just plain text, just as its saved in your db. WordPress changes line breaks with paragraphs with the function wpautop, through the filter the_content and the_excerpt. If you need to remove the wpautop behavior, you can remove the filter by doing this in your theme’s functions.php: remove_filter( ‘the_content’, ‘wpautop’ ); remove_filter( ‘the_excerpt’, ‘wpautop’ … Read more
In your first code example, you hook into the pre_get_posts action, which fires during the main query. But instead of manipulating that query, you trigger another one using query_posts(), which fires the hook again, and you end up with an infinite loop. With the second code example, you’re just overriding the main query after it’s … Read more
Short answer but I think it is all you need. do_shortcode(“[book id=’1′ /]”); Reference: http://codex.wordpress.org/Function_Reference/do_shortcode