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

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23 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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4answers
3k views

Export wordpress table to excel

I have created PHP scripts before to export a database table to .xls format like this: $select = "SELECT * FROM tracking"; $export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) ...
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0answers
108 views

A plugin is giving me “You do not have sufficient permissions to access this page.” error

I noticed this morning that I was logged off from my site. Whenever I tried to access /wp-admin it gave me a "You do not have sufficient permissions to access this page." error. After an hour of ...
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1answer
46 views

Access Wordpress database outside of Wordpress

MAIN QUESTION: I am writing a wp plugin. Within it, I have a page located here: http://example.com/wordpress/wp-content/plugins/myplugin/page.php How do I access WP database from this page? Is ...
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1answer
132 views

Is $wpdb->prepare escaping to much? How to use it properly?

Im pretty much confused by $wpdb->prepare. I want to use it to sanitize user input but it turned out that it destroys the query. I cannot imagine that this is how it's intended to work but I can't ...
2
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1answer
1k views

Database sync between local and production

I was watching Mark Jaquith's presentation at WCSF 2013 recently and in the Q&A Mark mentioned something about rsync - after a quick Google I can see this is done via SSH - my question is this: is ...
5
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1answer
204 views

Should I use Transients with W3 Total Cache APC Caching? [closed]

Should I use Transients in my queries like this? <?php if ( ! $my_paged = absint( get_query_var( 'paged' ) ) ) $my_paged = 1; if ( ! $my_query = get_transient( "567recent_$my_paged" ) ) { ...
3
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2answers
11k views

Connect to database using wordpress wp-config file

How can I connect to the database using the wp-config.php file ? I'm trying to make a script more Wordpress friendly, and I need to connect to the database, but without installing the script as a ...
1
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1answer
247 views

Hello dolly type plugin that allows people to add their own

I am making a plugin that shows a random joke on a custom 404 page via shortcode and it is basically near enough the same as the default hello dolly plugin, where the jokes are hardcoded into the ...
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0answers
23 views

Save voting stats with Posts 2 Posts

I am working on a website where I make connections from posts to posts with the Wordpress Posts 2 Posts plugin. Now I want my website users can vote whether they think the 2 connected posts are a good ...
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1answer
82 views

Remote database -> massive response time increase?

I have nginx web server running newest WordPress and DB server running MySQL 5.6 There is around 90-100ms latency(round-trip delay) between those 2 servers. The problem is that It takes about 5000 ...
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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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4answers
940 views

Multisite database upgrade SSL error

I have upgraded my Multisite setup WordPress to 3.6.1. And after that, when I do Network Upgrade > Database Upgrade it's showing: Warning! Problem updating http://www.example.com/site1. Your ...
1
vote
1answer
2k views

How to create database table, add data, update and delete using wpdb via plugins?

I am just starting out to create plugins with database. I know to create a custom database when activating the plugin. I just want to know whether we can create tables at the front end like adding the ...
0
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0answers
37 views

Mysterious template change after database import/export

When I switch databases from my local environment to the host, some of the pages inexplicably change templates. E.g. there is a custom template "Home" and when I switch the db's it ends up with the ...
1
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1answer
167 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"> ...
0
votes
2answers
690 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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0answers
78 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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0answers
62 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 ...
0
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2answers
67 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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0answers
19 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 ...
0
votes
1answer
42 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 ...
12
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1answer
211 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 ); ...
9
votes
1answer
133 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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vote
1answer
100 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
92 views

Query Wordpress database by registered date and role

I would like to get the display name and email address for all users who have registered to my multisite today with the role of subscriber. It needs to be an SQL query as it's used outside of the WP ...
0
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2answers
36 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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0answers
15 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 ...
0
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0answers
41 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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0answers
47 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 ...
0
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2answers
75 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 ...
0
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0answers
30 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. ...
1
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1answer
276 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 ...
0
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1answer
108 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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0answers
61 views

Preloading custom pages in cache using WP Super Cache [on hold]

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 ...
0
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1answer
24 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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0answers
53 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 ...
0
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0answers
109 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 ...
2
votes
2answers
105 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 ...
0
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0answers
71 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 ...
0
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0answers
22 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. ...
1
vote
2answers
1k views

How do I copy a wordpress database?

I'm trying to migrate my wordpress site from an old host to a new host. The Wordpress Codex says "you can move by just copying your files and database." Copying the files is easy enough, but how do I ...
0
votes
1answer
29 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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0answers
53 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 ...
0
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0answers
50 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 ...
0
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0answers
87 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 ...
0
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1answer
676 views

Images are not showing after moving Wordpress installation from server to localhost?

I moved my wordpress installation from server to localhost on my pc using the instructions in the following link ...
0
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1answer
45 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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0answers
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 ...
1
vote
1answer
36 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 ...