Yes it can be good practice to check if a user is capable of doing something before doing something related in code. For example, don’t save a custom post type if the user doesn’t have the capabilities needed to do it, or don’t show certain things to users who don’t have the manage_options capability ( … Read more
As noted at the codex page for get_user_meta(): NOTE If the meta value does not exist and $single is true the function will return an empty string. If $single is false an empty array is returned. So I would suggest to do the check like this: ! empty( $themeta ) Regrading your other question, you … Read more
You need to make the functions available, they are located in wp-includes/user.php. So load the user.php via require e.g. like this: require( ABSPATH . WPINC . ‘/user.php’ ); But keep in mind, if you need to do that and load wp-load.php manually, then you likely have not done it right. Meaning, you should aim for … Read more
The problem is that you can’t use the value for the LIKE comparison as you’ve mentioned. The generated SQL will look something along the lines of: AND CAST(wp_usermeta.meta_value AS CHAR) LIKE ‘%B%’ which means that the query is set to look for every occurrence of letter B in our case. Of course this is not … Read more
There’s no built-in functionality to append meta values you’ll need to do it manually. If you plan on adding multiple values I would suggest saving it as an array but it will serialize it in the database which will make it harder to run WP_Meta_Query on. $user_id = fav_authors_get_user_id(); $fav_author_id = 2; $author_list = get_user_meta( … Read more
Check for administrator user current_user_can ( ‘manage_options’ ) Remove the admin bar for non-administrators show_admin_bar ( false ) Redirect non-administrators to another page wp_redirect ( site_url( “https://wordpress.stackexchange.com/” ), 302 ) Putting it all together function wpse_20160318_user_checks() { // ignore administrators if ( ! current_user_can( ‘manage_options’ ) ) { // ignore these events if (( defined( … Read more
if you are trying to link up the post in the user profile area, the code below might be a good starting point. You could put this in your functions.php file. The first function displays a select tag with all the posts from your custom post type in the user profile section. The option value … Read more
If you want to show a message, use this code in your functions.php file- function se_236335_hide_content( $content ){ $pages = array( 8, 26, 35 ); // allowed page IDs if( ! in_array( get_the_id(), $pages ) ){ return ‘Message here..’; } return $content; } add_filter( ‘the_content’, ‘se_236335_hide_content’ ); If you want a page redirection, use this- … Read more
There are few ways to accomplish what you want. I won’t give you any use-ready solution but just an idea. First idea You could set up cron job to replace authentication keys in wp-config.php, you can get them over here https://api.wordpress.org/secret-key/1.1/salt/ This way you will force all of the users to log in again. Second … Read more
Combining a meta query with a search for a keyword will return posts which match both the search query and the result of the meta query (even if you’re using relation => OR in the meta query). This answer covers a way to achieve your expected outcome for posts, which – you need to modify … Read more