Custom Fields are fields that can holds arbitrary extra information known as meta-data.

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What is the index [0] for on post meta fields?

Trying to improve my PHP knowledge through test and try! I am confused on [0] arguments at following WordPress PHP code global $post; $custom = get_post_custom($post->ID); $price = ...
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How to add a checkbox element to attachments editor with example

The code below adds a custom input field to the attachments editor. How can I convert the text input to a checkbox and get/set the value of the checkbox on load and save? Note: "input" => ...
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Sorting a query by custom field date

EDIT: Reworded the question for more clarity I'm trying to sort by custom meta box data, which I am converting to a date using the strtotime function, but I'm having some difficulty. My chief ...
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3answers
11k views

How to Add Custom Fields to a Custom Post Type?

Ok, so I have registered a few custom post types and a few taxonomies. Now, for the life of me, I cannot figure out the code I need to add a Custom Field to my Custom Post Type. I need a drop down ...
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2answers
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Filter WP_Query for posts having a certain meta-value

How to filter WP_Query for posts having a certain meta-value, without using a Custom Select Query? I have a custom posttype with meta-key: "open", and meta-value options: "yes" or "no". I would like ...
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4answers
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I want to have my custom field use HTML, how do I do that?

I want to have my custom field use HTML, how do I do that in such a way that I can use a rich text editor to view the content?
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How to validate custom fields in custom post type?

I wrote a plugin that creates a custom post type with custom fields. To prevent users from entering incorrect information, how can I validate the data? I assumed that the save_post hook function ...
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4answers
4k views

Is there a way to set default custom fields when creating a post?

When I'm creating a new post, just after clicking "Add New", when the post editor shows, instead of having to use the dropdown and choose a custom field to use, I'd like to have some default custom ...
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4answers
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meta_query for keys that aren't yet set

I'm trying to query for a custom post type for a gallery system. I have a checkbox to set a gallery as a "featured" gallery (set up through More Fields plugin) - if this is checked then the meta value ...
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1answer
3k views

Search multiple custom fields by using meta_query

I'm trying to create a search results listing for a custom post type and the problem I'm running in to is with the way the 'meta_query' parameter is stringing the passed values together. It appears ...
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3answers
9k views

Filter by one custom field, order by another?

I have a custom post type "Listing" and I want to get all Listings that have a custom field gateway_value != 'Yes', and order the results by another custom field, location_level1_value. I can get the ...
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3k views

Automatically set post title to same value as a meta box

I've removed "Title" from a custom post type that I created. Which makes it that all new posts gets the name "Auto Draft". To get around this I want to be able to fetch a value/post name from a meta ...
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269 views

Adding another state (spam, reject, approve) to wordpress comments?

i know this might sound a bit weird, but what I'm trying to do is rather simple in mind but may be technically difficult. I'm running small contests on my wordpress site where I ask users to leave a ...
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1answer
451 views

Move from old custom field to new post_thumbnails

I've just taken over a busy WordPress site that's got ~800 posts so far. The site's been around long enough that it was started up before post_thumbnails was available. They worked around that ...
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2answers
146 views

Make Custom Field Into A Link On The Front End?

I have set some custom field 'artist' and 'song-name' displaying like: Artist: <user input> Song Name: <user input> My question, how do you make the on artist and song name into a ...
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1k views

How to order adjacent posts (prev / next) by custom field value?

I am using the More Fields and More Types plugins to create a custom post type called product. This custom type is based on the Post type. One of the fields is named lot which is an integer ...
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4answers
5k views

Add custom taxonomy fields when creating a new taxonomy

I've been able to leverage this super tutorial by @Bainternet in order to add custom fields for taxonomies. I've tweaked the markup, and added a separate callback to add fields to the "Add New ...
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1answer
4k views

How to filter custom posts by tags and custom fields?

I'm planning a site for a client who wants users to be able to filter upcoming events by the following criteria: Type i.e. Comedy, Theatre, Music etc. Date Daily or Weekend Duration Daily or Half ...
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344 views

update_user_meta: How many is too many?

I am working on a community portal that may in future cater to extremely large user base. All users have about 50 settings that needs to be stored to the user meta. These settings would be frequently ...
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3answers
550 views

Query custom post type by custom field

General Info I used the plugin WP Types (wp-types.com) to create a custom post type called "artist". In WP Types you can also set another post type as parent post type. This is not possible by ...
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1answer
363 views

What is the advantage of the wp_options design pattern?

As we all know, a design pattern that is used frequently in Wordpress' DB code is the idea of persisting data for a particular object (blog/post/comment), indexed with a particular name or key. We ...
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1answer
214 views

Hide custom post type field from author?

For a business association website, I've built a membership database using a custom post type. Businesses sign up with an online form, which creates a custom post for that business, and when the ...
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1answer
4k views

Creating Photo Gallery System with Custom Post Type

I'm creating a movie blog using WordPress. I have Movie and Trailer custom post types and I want to add a Photo feature for this and I want to add a relationship between this photos and Movie CPT. ...
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548 views

explode array within shortcode

This functions at the moment but it only returns the first value from the array. I've been struggling to echo, print, explode, or whatever the multiple custom field values that share the same key ...
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1answer
416 views

Unable to get Preview of Uploaded image within a Custom Meta box

I first followed the steps in this tutorial. Added the Image Uploader, tried it out but I realized it's an older version of the WP Uploader... So I then found this post, and now my uploader is ...
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3answers
2k views

Using meta query ('meta_query') with a search query ('s')

Trying to build a search that not only searches the defaults (title, content etc) but also a specific custom field. My current query: $args = array( 'post_type' => 'post', 's' => $query, ...
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1answer
916 views

Update all posts automatically when using post_meta

I recently created a new site using wordpress but I'm a rookie - everything I know is trial and error with no formal training. So please, please, please keep your answers as simple as possible. Thanks ...
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1answer
959 views

How to filter custom post type archive by meta value

I have a problem where I'm trying to build a calendar plugin for a client. I'm having trouble getting a date based archive for the custom post type I'm using. I'm not too well versed in how the ...
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1answer
106 views

Allow user to create instances of custom field

I have a custom field for a links page which takes a name and an URL and saves it in the post meta. However, I want the user to be able to click "Add new link" and a new custom box appears so they can ...
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793 views

Add custom fields within meta box class “on the fly”

I'm one of the contributors for the Meta Box Class here on Github (link) and before I get too deep, I wanted to ask if anyone knew of a straight forward way to allow users to add additional fields "on ...
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1k views

Using media-upload.php to upload mp3 via custom fields

I'm trying to use the Thickbox file upload dialogue with a custom field to allow the user to upload an mp3. What I want to do is to grab the URL of the uploaded mp3 and save it as postmeta (saving the ...
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1answer
164 views

Prevent reload confirmation after AJAX save

I am saving information in the admin panel via ajax. The problem I'm running in to is the "Are you sure you want to navigate away from this page" popup appear, even though everything has been saved. ...
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3answers
2k views

SELECT max(meta_value) FROM wp_postmeta WHERE meta_key='price'… stops working when value is over 999

Overview: I am not trying to return a post. I simply want the single highest value for a particular meta_value across all posts... just the value itself. Details: I have added a custom meta_key ...
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Convert jQuery Datepicker Format to SQL Date Format

I set the jQuery Datepicker format to D d.m. displayed as Th 3.3. for a custom meta field that I want to use to sort posts. In SQL, the custom meta field is saved as D d.m. I would like to display ...
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1answer
4k views

How can I add extra attribute in the 'Page Attribute' section in wp-admin for pages?

I would like to add a select list in the Page Attribute box you see on the right side in the administration interface for pages. Does anyone know if that is possible? Or at least add a custom box ...
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3answers
2k views

Do_Shortcode not working for Embed

I'm trying to use Custom Field types to embed Youtube videos in a more organized fashion and using the Do_Shortcode() would seem to work perfectly, however this: <?php echo ...
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2answers
3k views

Most efficient way to add javascript file to specific post and/or pages?

I am wondering what the most efficient method is to add a javascript file specifically for a post and/or page. Here are a few solutions I came up with: Switch to HTML editing view and post your ...
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2answers
2k views

How do I paginate search results for custom post types?

I have a Custom Post Type called "cars" that stores several custom fields along with the standard Title/Description fields. I need users to be able to search through the CPT based on the custom fields ...
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3answers
2k views

Add custom option to Standard Page Attributes Meta Box

I'd like to add a simple checkbox option to the exsisting standard Page Attributes Meta Box. Is there an obvious/intended way to do that using the WordPress API, rather than registering a new ...
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3k views

Add new “Insert Into Post” button with another function

Problem: Add a hook that automatically adds a short tag to video attachments when inserted from the Media Library (video) tab: Update: This works under the 'Media Library' tab — and doesn't break ...
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4answers
4k views

Custom per-page sidebar widgets .. possible?

Let's say I'm doing a site about cars, and in the main content area of a Page (using a certain template), there are a few paragraphs about a particular car. In the sidebar, are several standard ...
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2answers
3k views

Can I exclude a post by meta key using pre_get_posts function?

I see many people prefer to use pre_get_posts hook instead of query_posts. The code below works and shows all posts which have meta key "featured" function featured_posts( $query ) { if ( ...
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2answers
669 views

How can I change the admin search posts fields?

I have a custom post type that includes many custom fields. I would like to add them as a search target to admin search. Currently the admin search searches only the content and the title, I would ...
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1answer
6k views

Importing data for advanced custom fields plugin?

I have a member section built using the http://www.advancedcustomfields.com plugin. There are 300 members that each have the following data: Company name Specialism (check boxes) Web address ...
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1answer
722 views

Adding meta values to permalink

I have publications and I want to simply add year and month to the permalink. Currently the year and month of publication is added to the post as a meta value. I've set up publications as a custom ...
3
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1answer
260 views

Adding Custom Fields for Img in Posts

I'm wondering how I'd be able to set a custom field within my Wordpress posts. I want to have a field available to add an image via the Post dashboard - that has a max width & max height set, I ...
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2answers
2k views

Problem with serialized arrays in custom meta

I've recently moved my fishkeeping "species profiles" over from a custom DB to a customised WordPress custom post type. I did this by creating a PHP file which accessed the former database, extracted ...
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5answers
552 views

How to do a custom bookmarks post type?

Let me first explain what I am wanting to do... I am wanting to add all my hundreds of website bookmarks that I have now in my browser, into wordpress for the following reasons. Can search my ...
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3answers
2k views

querying with custom meta field with meta_query

How do we get posts where the meta key does not exist in a post. I have created a meta_key video. and i want to be able to get some posts with WP_Query where custom field video does not exist or is ...
3
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1answer
3k views

Custom Taxonomy Template Post List with Sort Order

I have an interesting problem I am trying to solve. Here is my situations: I have create a custom post type for "events". For each event post I require custom fields to be entered for the event ...