posts - Read For Learn

add action only on post publish – not update

Like @milo pointed out in the comment, checking if the post meta exists is the easiest way to achieve what you want – like this: add_action(‘publish_post’, ‘wpse120996_add_custom_field_automatically’); function wpse120996_add_custom_field_automatically($post_id) { global $wpdb; $votes_count = get_post_meta($post_id, ‘votes_count’, true); if( empty( $votes_count ) && ! wp_is_post_revision( $post_id ) ) { update_post_meta($post_id, ‘votes_count’, ‘0’); } } → On … Read more

How to get post ID of the current page/post inside a widget?

You can make use of get_queried_object() here, which is a wrapper for $wp_query and returns the whole post metadata. Here’s a sample code: $queried_object = get_queried_object(); if ( $queried_object ) { $post_id = $queried_object->ID; echo $post_id; }

Function to execute when a post is moved to trash .

This will do the trick! add_action(‘trash_post’,’my_trash_post_function’,1,1); function my_trash_post_function($post_id){ if(!did_action(‘trash_post’)){ // do stuff } } Here we add the function, and to prevent the hook from executing more than once using did_action: http://codex.wordpress.org/Function_Reference/did_action As always, these kinds of hooks take the form {post_status}_{post_type}, so trash_post, trash_page, trash_customposttype, publish_page etc

Update post counts (published, draft, unattached) in admin interface

I got this almost working, but refinements are needed to fit the specifics of the question and to deal with Attachments and Post-Types differently (see comments in code)… First, I think it’s worth noting how I found the filter: apply_filters( ‘views_’ . $screen->id, $views ) inspect element do a global search in /wp-admin and /wp-includes … Read more

How to get post creation date?

The post_date and post_date_gmt serves as the date that the post was created. For scheduled posts this will be the date on which the post is scheduled to be published. There is no reliable native method to determine the date when a scheduled post was added. For scheduled posts, you can try the post_modified or … Read more

Get post content by ID

You can do it multiple ways. Following are best two ways. $post_id = 5// example post id $post_content = get_post($post_id); $content = $post_content->post_content; echo do_shortcode( $content );//executing shortcodes Another method $content = get_post_field(‘post_content’, $post_id); echo do_shortcode( $content );//executing shortcodes After Pieter Goosen suggestion on apply_filters. You can use apply_filters if you wanted the content to … Read more

is it possible to get next_post_link

try to work with http://codex.wordpress.org/Function_Reference/get_adjacent_post; example: $next_post_link_url = get_permalink( get_adjacent_post(false,”,false)->ID ); $prev_post_link_url = get_permalink( get_adjacent_post(false,”,true)->ID );

How to Change Order of Posts in Admin?

If you don’t wish to always click the “Title” column to sort your posts by title, you can place this code in either your currently active WordPress theme’s functions.php file, or within a plugin. This will automatically always sort your posts for you, so you don’t have to click the title column every time. You … Read more

Apply the_title() filter in post & page title, but not in menu title

Problem Description: Let me rephrase the question first. You want to: Set new title to all post and page type from a meta field. You want this to happen everywhere (home page, single page, widgets etc.) However, you don’t want this title change to happen if the title is on the Navigation Menu. Solution: Before … Read more

Rewriting post slug before post save

The following is to be taken more as a proof of concept rather than a copy/paste-ready solution. That being said, this is how you’d go about it: The save_post action runs whenever a post is updated or created. You can hook a callback function to it using add_action. Hence, your case would have to look … Read more

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