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
post-meta
How do I retrieve multi-dimensional arrays from the wp_postmeta table, & display on a website?
I would like to retrieve multi-dimensional arrays (that have been created with metaboxes), & display them on the front end of a website using shortcodes.
How to only display posts whose meta_value field is not empty?
Three people have already tried to solve this, and we’re coming up nil. I want to show only posts that have a value in the meta_key ‘featured_image’.
Query all posts where a meta key does not exist
I am trying to get a query to retrieve all the posts where a specific meta_key does not exist and then create it.
How to extract data from a post meta serialized array?
I found an XML to WP decoder script that stores the data as an array in a custom meta field. What is the best way to extract the information?
How to make search include data from wp_postmeta?
I have a site using Advanced Custom Fields to create and store various bits of relevant info. These need to be included in the main general search, which by default only searches the title and main content.
Post meta vs separate database tables
When developing plugins that requires data storage, what’s the pros and cons of using one method or another ?
How do I query for posts by partial meta key?
I have a function that stores the “like” status for a post as post meta. I want to associate that “like” with the user that liked it, so I setup a custom field called “like_status_{user_id}” (where {user_id} is the id of the currently logged in user) which I store as a 0 or 1. So for a post with several “likes” there would be several meta values in the db that are setup like this:
Why time functions show invalid time zone when using ‘c’ time format?
These are the functions I use in my theme to display the “entry-meta” which includes published and last modified dates (among others) of an article:
How to set author for post AND post attachments
I have multiple author accounts on one of my WordPress installs. Often I will create a post, and set the author to be a different account. However, when I upload images into that post, their attachment page lists the author as my account. How can I set the author for posts, and have it carry over to the media associated with that post?