Using the theme options to change background
For theme Settings see Chip Bennett’s tutorial, also WordPress supports custom background, you can add support to your theme with add_custom_background, see reference for more information.
custom-field
Metabox image upload and custom field
I think this should help: http://austinpassy.com/2010/03/creating-custom-metaboxes-and-the-built-in-uploader/
Displaying additional User Contact Information
This might help you out if you haven’t found an answer yet. /* BEGIN Custom User Contact Info */ function extra_contact_info($contactmethods) { unset($contactmethods[‘aim’]); unset($contactmethods[‘yim’]); unset($contactmethods[‘jabber’]); $contactmethods[‘facebook’] = ‘Facebook’; $contactmethods[‘twitter’] = ‘Twitter’; $contactmethods[‘linkedin’] = ‘LinkedIn’; return $contactmethods; } add_filter(‘user_contactmethods’, ‘extra_contact_info’); /* END Custom User Contact Info */ Displaying it: <a href=”https://wordpress.stackexchange.com/questions/32505/<?php the_author_meta(“facebook’, $current_author->ID); ?>”></a> http://thomasgriffinmedia.com/blog/2010/09/how-to-add-custom-user-contact-info-in-wordpress/
Create Posts using Import>RSS/WXR/XML and pass values to Custom Fields
I relentlessly searched and read until I found an answer! Turns out, the right thing to use is actually MetaWeblog API and XMLRPC, which you’ll have to activate as it is disabled by default. First thing, visit the Settings menu in your admin panel and navigate to “Writing”. Scroll down until you see the XML-RPC … Read more
Difference between ‘LIKE’ and ‘IN’ in meta queries
Meta queries are essentially wrapper for ease of setup, but end results is part of SQL query to run on MySQL database. These operators are those of MySQL, see in documentation: LIKE operator (performs pattern matching) IN() function (checks if value is in set)
add meta box using function.php
function add_meta_boxes() { add_meta_box( ‘repeatable-fields’, ‘Audio Playlist’, ‘repeatable_meta_box_display’, ‘post’, ‘normal’, ‘high’); add_meta_box( ‘wpa-45985’, ‘Wordpress Answers Metabox’, ‘wpa_meta_box_display’, ‘post’, ‘normal’, ‘high’); } add_action(‘admin_menu’, ‘add_meta_boxes’); just define a 2nd metabox, then define its display function and save function. it is exactly the same. EXCEPT, that if you want to save it as a different meta entry then … Read more
Getting a “Changes you made will be lost” dialog prompt on a custom post type page
Managed to solve this after I got lucky with a random search and found this. Post metadata deletes itself There’s also a decent thread on the problem here: https://stackoverflow.com/questions/2539951/wordpress-add-meta-box-weirdness
Get aggregate list of all custom fields for entire blog
The function below will store a distinct list of all custom fields for the list of posts/pages/custom posts that is passed to it in the keys of the array $customfields. The array values are the number of posts with the corresponding field. In the example, custom fields added by plugins are excluded ($value[0] != ‘_’;) … Read more
Use ajax to update_post_meta
That will not work because you are referring to a single php file, instead the the whole WordPress environment. There’s a easier way to use ajax in WordPress. Use admin_url(‘admin-ajax’) as the form action, then put the function that will answer the ajax call in the theme’s functions.php. More detail here in this answer
how to save multiple custom fields for a post in one go?
Custom post meta data are generally updated in the database via a callback function hooked into save_post. (Others: draft_post, publish_post, future_post.) The custom post meta data are part of the $_POST data sent on-submit for the edit post screen, so simply look for them there, sanitize them, and then update them in the database. I’m … Read more