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

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107 views

How to create custom tables in WordPress using my own plugin?

I am new in WordPress plugin development. This is my core PHP and HTML code create-table.html <form method="post" action="function.php"> <input type="text" name="table_name"> ...
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2answers
45 views

How should I store a log for my plugin

I have a plugin that sends data to a server as part of a transition_post_status action. The server sends a response each time. I want to keep a log of these responses (permanently) that I can display ...
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383 views

Different database query in function.php using mysqli

I am trying to connect to a database in the function.php using mysqli. The code seems to run fine when it is not on a separate php file not on wordpress. But when I run it on wordpress I get "Connect ...
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70 views

Problem with Featured Image and database

I have an issue with with WordPress install which I just haven't been able to resolve... I have tried disabling all plugins and reverting back to default theme, but the problem remains. The issue is ...
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55 views

wp_usermeta key problem

I am trying to add a meta key to wp_usermeta but it does not work at all. The key would get value from a checkbox. I used the code from Wordpress codex tutorial and it's not adding anything. I will ...
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18 views

Are custom tables a good solution for adding lots of data to the site?

On a fairly high trafficked website (10-20 million page views per month), we're looking to add a large amount of data to build data-driven pages. Think of adding 1000s of restaurants to create ...
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62 views

Can WP give a value a post ID?

So I have queried out some data from another DB and obviously they're not a post which means I can't use the standard permalink to link them to an existing page with it's post type. So I thought that ...
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1answer
38 views

Custom Post Type not showing anything added by code anymore?

So I have a piece of code written and it worked before, hasn't been edited hasn't been changed, no updates on the WP DB no updates on any plugin on WP and it's suddenly not working correctly. This ...
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1answer
183 views

How can I trust switch_to_blog()?

When I call switch_to_blog() with a blog id, I don’t know if that blog actually exists. The functions returns always TRUE. Here is my problem: switch_to_blog( PHP_INT_MAX ); $post = get_post( 1 ); ...
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14 views

Bookmarking a post in exchange for an email?

I was asked to implement a feature that this website https://medium.com/ has, which is the ability to bookmark a specific post by making the user register an account with the website. This is the ...
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37 views

Email notifications: Where in database to save user options?

I'm working on an email notifications plugin which sends emails when events happen on my site. So for example, if someone comments on a post, the post author will receive a custom email notification. ...
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45 views

What method should I use to store my plugin data (multi level menus with options on each item)

So the background on my plugin - it generates taxonomy/term filters to give you a filtering system similar to what you'd see on NewEgg where you filter your results by category/manufacturer/other ...
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35 views

Is it possible to have more than 1 sql databases in my wordpress blog?

I m watching video on installing wordpress manually. on first launch wordpress prompts you to input your sql database name, sql password etc. then i can start working from dashboard. is it ...
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2answers
68 views

Wordpress and a secondary database?

I have to achieve something on which I don't know how to approach it. Base of the issue: There's a bunch of data in another DB that I have to import into WP which so far wasn't possible due to them ...
8
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1answer
127 views

How can I make updates to a site, on a development copy, but then move updates back without overriding live site's evolving database?

I've tried to be as descriptive in the title as possible, and I know this question has been asked in before in various forms but I could not find good answer to it and it's are to imagine that no one ...
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24 views

Author ID mismatch from database

The author->ID for one particular author is returning a different value than what exists in the database. The database has the author's id as 2, but when I query author->ID, it returns the value 11. ...
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1answer
175 views

wpdb update add current timestamp not working

So using the $wpdb->update to add some data to a custom table, trying to add the current timestamp but it's not saving the right stuff(0000-00-00 00:00:00 this is saved). overview code ...
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1answer
94 views

How to access the WordPress DB from a plugin file

I'm building a basic video management plugin, with an embed feature that will have URLs like: mysite.com/wp-content/plugins/embed-video.php?video=[POST ID] I plan on using the [POST ID] url parameter ...
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50 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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1answer
22 views

Connecting to a 2nd DB gives me no results when querying

I'm trying to access a different DB on the same localhost as my wp db is and I did this like so: functions.php: add_action('init','my_new_db'); function my_new_db(){ $newdb = new wpdb( 'test', ...
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1answer
288 views

wpdb->insert multiple record at once

So after I have created the table 'settings-table' i want to add a couple of records to it. This is how I want to do it, not the best way, so I need a better way to do this because I will add more ...
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40 views

Searchable database of members using multiple criteria / filters

I'm very new to wp let's say that first! What I need is to create a site which will list a database of members of an organisation. Users will also be able to sign-up and add themselves to the ...
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1answer
25 views

Changing starting number of User ID

I've got a client who would like their online user registration to match their current database. Thus they'd like their wordpress sign ups to start with 00100, I can't seem to find a plugin that ...
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41 views

Add more tables under wp_term_taxonomy

How do I add default fields/columns in the taxonomy terms? I can add custom fields using plugins like ACF but I have no idea on how to query them from the database. I can query the name, slug, and ...
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41 views

Why this function not working for install database on plugin activation

I followed codex instructions from wordpress site but for some reason it's not working for me and i can't understand why is there any debug settings or options to activate to explain me where i go ...
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1answer
40 views

Save temporary registration data

I am working on a custom signup proces, where user first sign up with their name and email and after that they gonna add their company (a post in post type 'companies'). After they have signed up ...
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51 views

Preloading custom pages in cache using WP Super Cache

I am developing Exposure Inc. Co and am using the RB-Agency plugin for modeling database. The plugin is not very well architected and makes a ton of HTTP queries resulting in high latencies. When a ...
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20 views

Incorporating Biology Database with Thousands of Records

I'm a WordPress newbie working on a Mac with MAMP. I have a series of database-driven websites that I'd like to incorporate into WordPress. My biggest website focuses on biology, especially animals. ...
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11 views

Configuration File Safety [duplicate]

I'm new to PHP and WordPress and I've a few questions to ask about database and configuration file security. I hope you answer them. When I try to reach some wp sites config file by typing ...
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64 views

Import Issue (ACF Repeater+WP Ultimate Importer)

I'm trying to import a bunch of data from my DB and there's plenty of fields, now i'm using advanced custom fields, repeaters to be specific. I had to make my own CSV file and I did this by exporting ...
3
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1answer
234 views

Using Vagrant for customizable Wordpress Multi-sites

Background: My partner and I have a goal to create a customizable vagrant project that uses Wordpress multi site, as a local development environment. Ideal Use Case: Various developers on our team ...
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1answer
33 views

Does auto_load to 'no' in wp_options improve performance

I am trying to improve the performance of a wordpress based blog. I am looking at wp_options table and am thinking to set the column auto_load to 'no'. Does it have any side-effect on the site ...
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2answers
298 views

What for is the table “wp_commentmeta” exactly?

I have been reading about the Database Description of Wordpress. I haven't understood the meaning to the use of the table wp_commentmeta. The documentation says: Each comment features information ...
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25 views

Category not displaying in add post, edit post, and categories page.

I have faced one problem after updating WordPress to 3.8.1. When I try to add or edit a post the category list at right side panel is blank, even though I have several categories on the site. Please ...
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166 views

Displaying database table in backend of wordpress

So basically I'm working on a job website for a client where they post jobs and users can apply for these jobs with a form that writes to the database with their inputed information.. I have set up a ...
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66 views

“Database Connection Error” upon install in Apache VirtualHost document root.. Why did this happen?

I have apache virtualhosts up and confirmed working. I want to install wordpress for one of the vhosts, so I unpacked all the wordpress files in the document root for that vhost. I proceeded to follow ...
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31 views

Transposh translation plugin querying wrong database

I've noticed my PHP error log growing very quickly, and it all seems to be a similar error: '[database name].wp_translations' doesn't exist However, the database it's trying to use is for a system ...
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1answer
44 views

Plugin data shared in Multisite

I am trying to build a site that very closely resembles another and so far so good with WordPress Multisite Networks. I am also using the plugin WP-FileBase - this plugin creates a database table per ...
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105 views

Solution for database version control and deployment?

Currently i use a dump script and commit the database to the git repo. --skip-extended-insert --skip-comments --skip-dump-date means that a diff can give me a fair idea of what has changed, but it ...
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2answers
104 views

The ideal place for storing persistent PHP objects

I'm writing some plugins that do background batch processing, i.e. operations that take longer than 30 seconds. I'm creating objects with the necessary job parameters set like this (this is a hugely ...
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2answers
156 views

What is good W3 total database caching option?

I have a centOS VPS (Apach+Nginx). Right now I use APC for w3 total plugin cache (disk enhanced for page cache). I have less than 25MB database. I can see several w3tc, APC cache errors. I think the ...
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2answers
95 views

WordPress for a very large website

I've searched and searched but I did not find an answer online. Also, I've posted this on StackOverflow and apparently it wasn't ok and I reposted this here. I hope it's ok. I have this website which ...
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188 views

Count Checked Checkboxes in Contact Form 7

I've built a form with Contact Form 7. The form is a petition. It has a list of checkboxes with names and email values attached to them. If a name is selected, that email is added to the list of ...
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95 views

Collaborate on wordpress local website, share files via dropbox?

How can one share and sync files of a WordPress website with users that can edit (collaborate on) the website locally on their own instance? Can Dropbox be used to share the WordPress website files ...
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20 views

Queries gone haywire since update to 3.8.1 [duplicate]

I have a WordPress install on a dedicated server with decent memory (upwards of 8GB) Since upgrading to 3.8, I started getting mysql disconnects/timeouts, better known as MySQL server has gone ...
0
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1answer
41 views

Wordpress where clauses in db select

I'm currently struggling with implementing a feature for wordpress site. I would like to get the count of all users which have the key pending_approval='true' and is_photographer='true' (located in ...
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2answers
614 views

How to return number of found rows from SELECT query

I wrote a function which is supposed to return the number of rows found in a SELECT query but it always either seems to return 0 or an array. I have been messing around with this for about an hour now ...
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1answer
89 views

How to determine what is generating large amount of database queries?

For some reason, my Wordpress site is using a lot of memory (spiking at 72MB) and generating a huge amount of database queries (76923 according to Wp-Memory-Usage. I'm really not sure why this would ...
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1answer
145 views

Add row to custom database Table and delete all rows older than 1 day

I'm editing a view counter plugin so that it logs the IP of every user that viewed a post. This is to prevent them from refreshing the page and thus creating artificial views. The part I'm having ...
0
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1answer
61 views

How can I safely delete data related to wp_post table manually from the mysql database?

Recently I downloaded a plugin that had a bug that orphaned its custom post type items in the wp_post table rather than deleting them. Being new to wordpress, it wasn't apparent to me that the ...