The wpdb class, accessed via the $wpdb global variable, is used to interact with the WordPress database

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Changing status of Published posts which have less Content to “Draft”

function draftpost(){ global $wpdb; $prefix = $wpdb->prefix; $wpdb->query("UPDATE ".$prefix."posts SET post_status='draft' WHERE LENGTH( post_content ) <500"); } ...
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29 views

Get a row from a separate table by matching a posts meta_key to a tables ID column

I am trying to match a posts meta_key value to a separate tables column ID and call that row/array in the single-listing.php. I have a meta_key value that is called dot_number. The table is called ...
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38 views

queries inside of a class

I'm building a plugin and I'm quite new to wordpress I have a class what has couple of methods what should execute database queries. The class look as it follows class MyClass{ private ...
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173 views

$wpdb->get_results() returns good result only in first foreach iteration

I've got strange issue when I am using $wpdb->get_results() in content-single.php in Twenty Eleven theme. $wpdb->get_results() returns proper values only in first loop iteration. I've got simple ...
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29 views

Code only works every other time its run

This code below works fine as long as I leave the $wpdb query commented out. However, I'm trying to clear the current settings before I write the new ones into the db. That's the purpose of the $wpdb ...
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419 views

Problem in creating table through plugin code

I'm using the following code to create the database table using plugin. However, the table is neither getting created nor I'm getting any error message. The code is as follows: global $wpdb; ...
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106 views

Query most popular terms by taxonomy over 2 week period

I have written SQL for a query that pulls the most used taxonomy terms for selected taxonomies that are published, do not have a parent post are not in a comma separated list over the past two weeks ...
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102 views

wpdb updating record in wordpress with json adds extra array elements

This is killing me - I keep getting magical array elements added to my updated array in WP. For example if my query is (var_dumped below): string(70) "UPDATE wp_mytable SET already_played = '[9]' ...
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172 views

Which action does wp_update_user triggers?

I am working modifying an ecommerce plugin, and it makes uses of wp_update_user() function, and everytime the function runs another table (created by the plugin), gets updated too. The problem is that ...
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111 views

How to display users with posts published between two dates (Sorted by Post-Count) [Multisite]

i try to make a list of users who have published posts within two given dates. My attempts using WP_User_query just work for one blog ID and takes time to load because it runs through a lot of ...
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254 views

Retrieving multisite blog IDs, somehow failing to foreach them properly

Working on a directory listing and have cobbled together the shortest query I can. It appears to return the listing ok (I think) but the foreach is somehow failing to process the array properly. Can ...
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329 views

passing variables as parameters to stored procedures via wpdb from php-script

i am having a slight problem with passing php-variables to a stroed procedure call from a php-script. Here comes the details: This is how it works very perfect - passing the params as string: ...
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410 views

Programmatically Creating Page using $wpdb and getting 404 error

EDIT: Turns out I had a permalink issue that was causing the 404 error. Original Posting below: I am creating a page programmatically using $wpdb->insert() and the resulting page returns a 404 ...
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282 views

$wpdb not being defined in function: Fatal error: Call to a member function query() on a non-object

For some reason the $wpdb object is not being defined in one particular function. I have four other functions in the file that are using $wpdb and all are working fine except this one simple delete ...
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84 views

wpdb-> not adding prefix to custom table

I know it should work with custom table and I think it worked in previous development I believe. But this time I don't know whey it is not getting custom table with $wpdb->tablename Code: global ...
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226 views

Stackoverflow type of badge plugin giving warnings in Wordpress 3.5

I modified an abandoned Stackoverflow form of badge plugin to work with Wordpress 3.4.2 and it does indeed. The full script for it is here: http://pastebin.com/Ta91zXiL When upgrading to Wordpress ...
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145 views

How to obtain a reference to $table_prefix in $wpdb object

I need to call the WordPress options table and pull some data. However, the table name may be different (typically wp_options) depending on whether the default table prefix was used on installation. ...
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1k views

How to close wpdb connection?

Is there any method to close connection similar to mysql_close() for wpdb in wordpress? Is it not necessary to close connection for global wpdb?
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2k views

Fatal error: Call to a member function query() on a non-object

In the code below (from my functions.php), I'm attempting to create an array of items from the wp_postmeta table where the meta_key is "_wp_attached_file". I'm getting an error: Fatal error: Call to ...
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28 views

Doing a loop with multiple DBs simultaneoulsy

I have a website setup made up of with more than 3-4 WordPress setups as subdirectories of main. For example: Site | ---------- Site/Site1 | ---------- Site/Site2 | ---------- Site/Site3 Each have ...
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1answer
143 views

$wpdb error (Call to a member function insert() on a non-object)

I have very few knowledge on oo php and databases, and I am simply trying to insert data in my wp_pagesvisites table but I am having some trouble with this error message. This is my script: ...
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91 views

Custom Query based on custom field of a single post

I have posts which have a custom field date in the format yyyy-mm-dd. What Im trying to do is list all the posts for a specific year on the side of a single page based on the year in the custom field ...
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141 views

Using WPDB class

I want to use the wpdb class on my external page not associated with wordpress. I tried to include the following on the php file: // include wordpress functions include( $_SERVER['DOCUMENT_ROOT'] . ...
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654 views

$wpdb->get_var not returning a result

I launched mysql and confirmed this query returns a result: mysql> SELECT * FROM wp_posts WHERE post_parent = 68 AND post_type = 'attachment' AND post_name = 'side-logo-auto2' LIMIT 1; 1 row in ...
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255 views

SQL query not working in alphabetical post title/content search

I have an ajax request using wp_ajax sending one variable named "q" what I want to do is after the script get's the request to look inside the db and fetch the title and id of the corresponding posts ...
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211 views

Wordpress db prepare

I am not trying to use $wpdb->insert, but prepare. Insert method will have one query string and an array which includes # of data which is not defined but will be defined for each query string ...
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222 views

wordpress $wpdb works only once

I am working on a plugin that needs to run many different queries. I created a class that has many functions and all these functions runs different queries. A DAL basically. Now when I call these ...
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369 views

$post not working working in AJAX plugin with custom post type

I am trying to create a plugin that can relate two posts to each other, and to do so I am trying to use AJAX, but I am having trouble getting the current posts ID using $post->ID. I am trying to ...
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892 views

Join inside a wpdb query.. confused!

I need to get a return from a query that provides me with email, username or nicename as well as post title based on author id. The query is to run once daily via cron and look for posts that have ...
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701 views

How to test the outcome of a wpdb query?

I want to get all the data with the meta key of "project_id" from post meta table. I wrote a query, it should work in thoery, but I have no way to see what I get, and inject this query to my plugin ...
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1k views

Use mysql_query instead of $wpdb query

I have a custom table inside my wordpress database called test. What if i query this table using mysql_query() instead of using for example $wpdb->get_results() Will this affect my performance? Ty ...
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537 views

Have working sql query… trying to adjust it to use $wpdb

So I have this code that queries a custom plugin generated table in the wp database. It works perfectly as is. But I'm trying to adjust it to use $wpdb instead of the $con function I have set up. ...
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731 views

Wordpress(wpdb class) and mysql stored procedures

$query = "CALL .........."; $result = $wpdb->get_results($query); print_r($results); Is returning an empty array and $wpdb->query does not return anything, how do you run stored procedures from ...
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24 views

Best practice to limit results in get_row()?

This is my query to check if a title exists (it's in a loop, therefore [$i]). $wpdb->get_row("SELECT * FROM wp_posts WHERE post_title = '" . $titles_arr[$i] . "'", 'ARRAY_A'); Anyway, I would ...
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36 views

query_post and wpdb returning different results

I am trying to get the woocommerce products by category.. When I query using the wpdb it gets the product correctly which exists in the backend products list. But when I query using the query_posts it ...
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50 views

Really simple query giving error in SQL syntax

I'm sure this is a simple oversight but I cannot seem to narrow it down: global $wpdb; $tablename = $wpdb->prefix . "icrm_folders"; $sql = $wpdb->prepare( "SELECT * FROM %s", $tablename ); ...
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26 views

Custom $wpdb returns unexpected time based results

I am using the $wpdb class to do a custom SQL query but I am getting weird results. Basically this is what my SQL query is supposed to do Retrieve the titles of post_types 'question' only if they ...
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41 views

Specify strict 'order by' in WordPress query

I have a custom post type called Employees where an employee's name is the post_title of each post. I am trying to figure out how I would sort the post_title column by last name. So for instance, if ...
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136 views

Speed optimization of $wpdb->get_results

I'm using this code to generate all my custom field values from all posts for custom field named "autor". <?php $autor = $wpdb->get_results("SELECT meta_value AS autor FROM wp_posts, ...
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322 views

Creating an auto result search bar

I'm trying to create a search bar that will show me titles of posts when the user types into the text field. I'm completely new to this and I really don't know how to go about doing this. What would ...
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92 views

Build index page from custom fields

Im starting to delve deeper into Wordpress custom fields and wanting to replicate this page in Wordpress: http://www.clubsact.com.au/corporate/index.php So my site is not tightly structured to a ...
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1answer
183 views

Problem adding 'has-children' class to wp_nav_menu

According to a number of references online, I should be able to use the following function to add the class, has-children, to menu items that have children under them: function ...
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1answer
144 views

Why does this WPDB code throw an empty WPDB error? [closed]

I'm writing a feed reader plugin for wordpress. I'm seeing a DB error that I can't figure out. First I create a table called user_entries. Then I put a sample entry into that table. When I try to ...
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243 views

include wp-blog-header not working on MAMP

To clarify my question... My plugin is/was using AJAX to call the file pluginname/submit/pick.php My pluginname/pluginname.php contains the usual plugin header and wordpress automatically finds it. ...
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369 views

Ajax call in wordpress not working for subscriber user

All In my application there is notification system, when user click on that icon I want to make ajax call. The problem id it works fine for admin user (Debug : 200 ok), but not for subscriber user ...
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1answer
318 views

Best practice to import user base (subscribers) from one website to another?

I want to import users from a Wordpress installation to another. Same domain, but complete different websites. Website A (old, 700 users): running WP3.0 plain installation + BBPress 1.x Website B ...
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664 views

AJAX wp-mysql running too slow

I have made a function of ajax, which returns all the posts starting with a particular alphabet, suppose a user clicks on letter A, then all the posts starting with letter A will be displayed, any how ...
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834 views

Wordpress $wpdb get posts from category and sort by custom meta

I have a custom post type of 'events' which has a meta key 'event_date' Im using the following to retrieve those posts and arrange them by 'event_date' global $wpdb; $today = ...
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2answers
753 views

How to change a custom query into a standard loop?

I'm trying to modify how results are displayed in a post list that's currently controlled by the code below. However, it's not built in the WP_Query while ( $the_query->have_posts() ) : ...
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1answer
495 views

Wpdb->insert() doesn't insert new row after the last one

In JavaScript, I'm using an Ajax call and I'm sending an array of shops. Except for the last element in the array all the shops already exist in the DB. The last element is a new shop. The PHP code ...