WordPress stores user generated content, along with other configurable information, in a a database (typically MySQL).

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2
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35 views

Should I hint table index for search query on wp_post

I'm currently inspecting a WordPress setup with multiple custom post types that should be included into search results. The database query for a search after the word Search looks like this: SELECT ...
2
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37 views

Backup another database with BackUpWordPress plugin

Is there any possibilities to add another database which is connected to other wordpress plugin? My site is using two database: main wordpress db and additional db for plugin data. The Backup includes ...
2
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0answers
381 views

comment_post_ID 0 (cannot remove from dashboard)

Ran across something a bit odd that I haven't seen before. A client has a pretty active blog and uses Akismet (paid) to protect against spam. At least once a day, they're reporting a spam comment that ...
1
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28 views

wp_insert_post causing There was an error connecting to the database: Access denied for user 'root'@'localhost' (using password: NO)

I have a multi-step form which I am trying to fix but I am getting the error: Warning: mysql_query(): Access denied for user 'root'@'localhost' (using password: NO) in ...
1
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21 views

Show all data in database table and make it into an interactive table

I have to make a table where my data from my database can be stored and rearranged with every row. The name of every row should be a link to the function mymanual_edit(). Look at the image for ...
1
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21 views

Emojis replaced by '?' automatically

I just discovered that all emojis on my site were replaced by the ? char. I saw this on comments and posts. Tables like wp_comments or wp_posts had a utf8mb4_unicode_ci collation before and now, so ...
1
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0answers
20 views

How to update the values when the featured image has changed?

I'm trying to implement this function. It saves in the database the dominant color of the image uploaded as featured image in a post. It's working perfectly BUT the problem is that it only works when ...
1
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0answers
27 views

Trouble Migrating all data blog from Wordpress.com to Wordpress.org

I'm transferring a WordPress.com blog to a new WordPress.org website but I'm having trouble transferring everything. I've gone through the usual WordPress tools - export XML file, import using the ...
1
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22 views

Change setting name in Customizer and keep the data

I created a theme while back when I was new to Customizer API and for some weird reasons I named theme settings as: $wp_customize->add_setting('thefunk_theme_options[header_color] Instead of just ...
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60 views

Connect to live db whilst working locally

Please excuse my ignorance, as I'm entirely self taught (HTML, CSS, and some JS and PHP) as a hobby, and SSH is all fairly new to me. I originally built a static website for my wife's childminding ...
1
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0answers
18 views

Logins from WP users table use on another page

I'm creating new website and I want use logins from WP table wp_users. I have problem with password encryption. I tried something with PasswordHash(8, True) but it generated string, which doesn't ...
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76 views

inserting a post from an extern php file but post content doesn't show on wp site

I'm doing a php file that insert post's on my wordpress site. I'm filling all the fields in wp_posts, but the content doesn't shows on my wordpress site. I wonder if it's because the categories are ...
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51 views

Least expensive way to get table prefix in multisite installation

I am writing an api that will have to handle extremely high volumes of calls so, in short, I can not afford to load the WordPress core every call. I have no problem building the API to use the ...
1
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0answers
76 views

Refresh page after update_post_meta

I have created a input field on a front-page where the value of the database is on the same page as the input-field. If a value is passed to the database I have to reload the page for it to show on ...
1
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0answers
135 views

Create a table with wordpress plugin boilerplate

I am a new wordpress developer and i would like to create my first wordpress plugin based to wp plugin boilerplate template plugin. My plugin will have to do with my clients data so for this reason i ...
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0answers
229 views

Slow SQL_CALC_FOUND_ROWS Query

We are experiencing very slow performance with queries that use SQL_CALC_FOUND_ROWS within the admin section of WordPress. We currently have about 125,000 posts on our site and use Varnish to cache ...
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198 views

Set Display Name to first and last name (phpmyadmin SQL Query)

I'm trying to change all the users Display Names to be their first and last name. I have looked into a number of plugins and wrote my own PHP to try and accomplish this however the site has over ...
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0answers
27 views

Migrate database between 2 different wordpress version

I have been trying to import a sql dump from a production site, which is several wp version behind the development site (4.1), is there any compatibility issue? Every time I try to login after the db ...
1
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363 views

Separate Database Tables For Different Post Types

one big problem with wordpress is that everything on it is a post(a record in wp-posts table)! images, posts, pages, products(for example in woocommerce), portfolios, Post Revisions... Almost ...
1
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73 views

delete duplicate comments

I found a solution for this a long time ago. Here is the code: <?php require_once('wp-config.php'); global $wpdb, $comment_content, $comments,$comment_ID; # First select all comments $query = ...
1
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0answers
22 views

localize elements in database

I want to localize my website with .mo files. Now, while it's pretty easy to scan existing php files and add the relative translation, it's not clear to me how to localize the elements in the db. I ...
1
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0answers
51 views

Store partial database to an archive database time to time

As the community knows me that I'm not a PHP Developer by core, but trying to be one. With the company I'm working, I developed many WordPress powered News Portals, where- They publish at least 30 - ...
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169 views

Child parent relationship inside WP DB

i am a .net user so i am unfamiliar with not using a foreign key inside of the database. On my WP application, user's are able to create videos on the application, the videos are stored on a ...
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29 views

How to migrate the posts from an old custom legacy blog to a new WordPress website?

I have to migrate the posts of a very old custom legacy blog made in ASP (the posts are stored in a MySql table) into a new WordPress blog. So I need your help to find the smartest solution to do it, ...
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682 views

WP_Query orderby and tax_query

My goal is to have custom posts type's posts (CPT for simplicity) from a custom taxonomy (CT for simplicity) let say CT Hometown with slug Nebraska to be listed grouped by another CT, let say ...
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77 views

Insert menus in the database

I want to create a large menu structure, and the admin pages time out, so I cannot insert them via the admin screens. How can I insert the menu entries directly in the database? Thank you
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383 views

Strange Deadlock database error for the query “Delete From wp_options”

I'm experiencing a strange Database error in these days, and it could the the cause of the slowness of my website (tasc.it) in these days. I found this error in the PHP error log, I can see about 4-5 ...
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89 views

Is there an atomic way to update_option in Wordpress (to ensure data integrity)?

I want to update an option which is an array by adding a new value, but there's no atomicity or guarantee of data integrity. EXAMPLE //Get the option value (an array) $val = get_option( ...
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29 views

Removing Mutlisite lines stop DB connection

I'm trying to revert my mutlisite to a single site and following a guide it recommends removing the following /*define( 'MULTISITE', true );*/ define( 'MULTISITE', false ); define( ...
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71 views

Wordpress plugin creating database in localhost but not on real host

So I am busy creating a plugin that creates a custom table to read in some data. The plugin works 100% on localhost but does not create the table in the db on the real host. I have debug enables and ...
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64 views

Move out of sync posts from one database to another

I have an issue where the following has occurred: WP install is pointing to database server 1. Database server 1 is backed up. Database from DB server 2 is restored onto DB server 1. I need to get ...
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438 views

How to track a users progress through pages by inserting data into Wordpress Database?

My website users can learn British Sign Language through Video Tuts, Quizzes and games etc. I would like to track the users progress through the pages of the course and add that data to a Wordpress ...
1
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476 views

How to populate custom field dropdown box based on prior selection?

I have two dropdown boxes for a search that uses custom fields and I need the second dropbown box to be populated depending on the results of the first box. So far I have: <form role="search" ...
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390 views

Wordpress running SQL query to update database from form

Basically I want to take information in from a form and use a separate php page to update the database. so here is the original wordpress php page (add_person.php): <?php /* Template Name: ...
1
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0answers
61 views

Importing 10 Years of Media into the WP Database

I've been running the same website for 10 years now, and whenever I would create a news story, I would manually upload and store all my news images in a "news" folder via FTP and then manually write ...
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0answers
3k views

How to fix database error duplicate entry

At first I thought this was just a damaged table, so I tried repairing via MySQL, but it appears there's more fundamental issues. Which of the duplicates should I remove, and any further advice in ...
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0answers
92 views

database query with more than a couple meta hangs and doesn't complete

I have a development website with about 70 checkboxes for custom fields. The idea is the user selects one or more checkboxes, it queries the database for all posts that have a meta_key for the ...
1
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0answers
127 views

Multisite 404 on pages - rewrite error breaks database

After updating my reading settings on my multisites, I get 404 errors on all my pages. The only way to fix the issue is by reverting the database to previous version, that is the only way it can be ...
1
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0answers
102 views

Copy post to separate database with “add_action(…)”

I'm basically trying to have a copy of a post be sent to another database's table when it's published. I've gotten it to add a new row in the new table, with my own static arguments, but I'm not sure ...
1
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0answers
448 views

Easiest Way to Authenticate WP Users Using an External DB?

I have been looking for the best/easiest way to share users on a WP blog (in a subfolder) with the MAIN site's user database so that people do not have to register/log in on the WP blog when already ...
0
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8 views

Exporting a multisite DB for a single site production site

So I have a wordpress multisite that houses all of my client test sites(14). This means that its all one database obviously. This client is now ready to go live on a single wordpress instance so I'm ...
0
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0answers
25 views

Storing Unique Data on the Database

I have created a custom table on my database using the code below: function dbcreator_activate() { global $wpdb; $table_name = $wpdb->prefix . "ftbstatistics"; if( ...
0
votes
0answers
7 views

Options of accessing wordpress data from mobile app

There is an existing wordpress website and I would like to make native app(probably will do crossplatform native with React Native as I have experience with it) for it. So my question is: is there an ...
0
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0answers
16 views

Custom database query with accents returning no results

I have an issue where using accents in my custom database query (wpdb) returns no results. $wpdb->get_results( "SELECT * FROM table WHERE city = 'Montréal'" ); Returns nothing, while ...
0
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0answers
14 views

same users different websites other then wordpress

I am creating a network of sites. I have some wordpress installations as well as some other scripts installations. I know that i can use single wordpress users table for different wordpress ...
0
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0answers
14 views

Scheduling posts in database

I have more than 100 posts to schedule. I have set the date and the status (future) with a SQL query. But when the time comes the post is not published and in desktop I can read message 'Schedule ...
0
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0answers
11 views

compare database values before an update

in my wordpress, I want to store my form data to database by using: update_user_meta(); I successfully store the data to database and write it to the page, but the problem in whenever I updated the ...
0
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0answers
23 views

Custom post types from custom database

For a plugin I want to use custom post types based on data stored in an external database. This database isn't related to WordPress (the structure of the tables is independent). The datastructure is ...
0
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0answers
11 views

Database collation and char set issue

I attempted to import my WordPress website from local host to live server online and i get an error #1115: that i have wrong db collation of utf8mb4. So i googled and changed the cllation to ...
0
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0answers
20 views

Add a Filed to WordPress User Table

I am going to give points for users for their activities. I thought to add a field for user table. Is it a bad idea? I use my own function to update that field.