Database

MariaDB version not recognised

As discussed in comments, the problem was a missing prce2 package which meant preg_match(), used by $wpdb->db_version() to parse the MySQL version number out of SELECT VERSION(), didn’t work. Solved by sudo yum install pcre2

SEO impact: WP+Next.js hybrid [closed]

Short answer is: Not in particular. Long answer is: there’s a lot of potential affects. Rendering: Next.js allows you to ship rendered html through static and SSR. This is important for performance generally and a best practice for SEO. Many search engines now render JS as part of crawling but its a mixed bag. So … Read more

How to stop wordpress from redirecting from the post’s old slug after changing title and slug?

You need to provide a higher priority number than the default when removing hooks. If you leave it default there’s a chance that your remove_action is executed prior to the add_action( ‘template_redirect’, ‘wp_old_slug_redirect’ ) So, instead: remove_action( ‘template_redirect’, ‘wp_old_slug_redirect’, 20 ); You also need to prevent WP from saving the old slugs which can be … Read more

Count views without get_post_meta

If you provided full code, issue is probably in this line: $wpdb->prepare(“INSERT INTO ‘myprefix_posts_views’ (postid, ip, device) VALUES (%d, %s, %s) ON DUPLICATE KEY UPDATE create_at=VALUES(create_at)”, $postID, $_SERVER[‘REMOTE_ADDR’], $_SERVER[‘HTTP_USER_AGENT’]); Because into column postid you are trying to put variable $postID, when you didn’t declare it anywhere. This column is NOT NULL, so probably you have … Read more

error establishing database for all wordpress on same instance

First of all, you should check the DB Configuration at wp-config.php, is the name and the db user+pw correct? Does the DB User have all the necessary permissions to the DB? Is the DB Server running at all? You find more info how wp config should like over here: https://help.dreamhost.com/hc/en-us/articles/214693268-WordPress-wp-config-php-overview

Naming conventions for database tables

There’s only one naming convention to remember, the WP table prefix. If you don’t want to use it you can do whatever you want. WordPress only cares about its own tables, you can create any other tables you want. Keep in mind though that the WordPress table prefix isn’t always wp_, and it changes for … Read more

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