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

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129 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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2answers
188 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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2k views

$wpdb returns no results with SELECT query on custom post type, works on default post type

EDIT: Adding more background info. I've coded a plugin that adds a meta box to the post page. When the post is published, the plugin will generate a random ID for the post, and insert the random ID ...
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1k views

How-To: wpdb Insert Record With Date

I am writing a plugin where I need to pre-load some data in the custom tables that I create upon Activation. My inserts have run fine thus far until I attempt to insert a record with a DATE datatype. ...
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306 views

Custom SQL query ORDER BY term_order

I have custom taxonomy that list terms under "series" that contain posts that are also present in terms under "media_type" and where media_type is term_id 16. I want to order the list by the ...
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198 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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69 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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64 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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2k views

How to insert multiple postmeta values with one query?

I have a custom script/plugin I am using for myself that creates a post along with some postmeta information. Right now, I have multiple $wpdb->insert, but I would like to condense this down into ...
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2answers
357 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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749 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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121 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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298 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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3answers
3k views

Custom $wpdb Query for Custom Post Type by Category

I am using the following code to output a list of items in my 'documents' Custom Post type by Year and Month. <ul> <?php $post_type = 'documents'; global $wpdb; /**/ $years = ...
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2answers
507 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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2answers
761 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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484 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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454 views

paginate_links on custom query in admin - 'sufficient permissions' error

I have created a page in my admin with this custom query: $rows = $wpdb->get_results("SELECT * FROM ej_feedback ORDER BY createdtime ASC"); I have made it successfully paginate as required in ...
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998 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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1k 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
1k 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
795 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 ...
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216 views

Compare transient data with a meta box value

So I'm not sure what would be the best way to go about this in terms of best practices and optimization. Scenario: I have query that parses an external XML feed and stores the data using the ...
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844 views

Ajax future single post query doesn't work when NOT logged in

I am having a problem with an ajax request for a single post, when the user is not logged in. The post is a calendar date and is in the future. the query works fine if I am logged into wordpress but ...
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444 views

Placing a widget with $wpdb query

I'm getting the feeling that adding Widgets via MySQL query is not as simple as I thought. I was under the impression all data is stored in the options table, but it seems like I was wrong. Any idea ...
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16 views

Wordpress Insert not working with ajax

I am trying to enter insert data with form in wordpress and want to use ajax for that. Without ajax it works fine but when I use ajax pressing the submit button gives 0 in result and the data is not ...
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33 views

$wpdb->replace / Replace or update primary key

I write code to save data in to the database table. I want Replace a row in a table if it exists or insert a new row in a table if the row did not already exist. ...
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2answers
40 views

Displaying data from another database

I'm working on custom plugin that will pull property information from our non-wordpress database. That is working just fine. Where I'm having problems is getting the whole front end piece to work. ...
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1answer
40 views

Using wpdb without loading all plug-ins via wp-load.php

I'm trying to prevent WP from loading all plug-ins when including wp-load.php, since I don't really need them nor the usual WP actions/filters. All I need is the WPDB class to query the database ...
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1answer
29 views

WP Sql query multiple where clause

I'm trying to get the users that have registered after a specific time (this case $today) and who have the newsletter field true and the account false. This is what I have so far but the result is ...
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33 views

Using WPDB->Insert()

Hello I have been developing in PHP and now am just starting the transition to Wordpress. In PHP I have this -> // Prepare statement $sqlstatement = $conn->prepare("INSERT INTO importtest ...
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1answer
13 views

Save sql file after doing insert wpdb

My code below takes an xml file and inserts it into a database table. However, I would also like to save the full insert query as a backup. Is it possible to write out the query built by wpdb so that ...
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50 views

WPDB secure custom form

I'm creating a custom form to update rows in a secondary MYSQL DB, different from the one of wordpress. This form is public and every user can access it. So I've created a plugin and I'm using also ...
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80 views

$wpdb variable throw this error Call to a member function get_results() on a non-object in

I've this error "Call to a member function get_results() on a non-object in" from this code: require_once($_SERVER['DOCUMENT_ROOT'] . $folder . '/wp-config.php'); ...
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73 views

List of ways to access WordPress database?

I'm trying to get a complete understanding of how WordPress works with databases. I've read the documentation but I'm getting confused by all the different approaches available. So far my ...
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1answer
60 views

Retrieving posts by their date and category

I'm trying to create a plugin for displaying post titles and dates (which will be displayed as links to those posts) of a specific date range and category. So far I have managed to get to display the ...
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1answer
29 views

Should I use an additional column in the DB?

I'm building a site for a client. They need a functionality where WordPress can tell if a logged in user has viewed a post in order that they might serve a notice or hide the original content. I ...
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1answer
29 views

Unknown column 'siteurl' in 'where clause' WPDB outside

I am trying to get Mysql values from outside wp. My code: define( 'BLOCK_LOAD', true ); require_once( $_SERVER['DOCUMENT_ROOT'] . '/wp-config.php' ); require_once( $_SERVER['DOCUMENT_ROOT'] . ...
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1answer
42 views

Incorrect Use of wpdb::prepare()

Not sure what I am doing wrong here. I did not write this code however I am receiving the following error in WordPress: The query argument of wpdb::prepare() must have a placeholder. This message ...
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23 views

Outputting query results

I am trying to make plugin, and i followed codex, i am not a OOP literate, hence i a blank. I tried to run this query $myrows = $wpdb->get_results( "SELECT question FROM wp_quiz" ); while i tried ...
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1answer
96 views

plugin ajax to external php file always return null

I am struggling with this error for a while now. The plugin inserts data to the table. Here's the code : File : plugin/_add.php require_once('../../../wp-load.php'); global $wpdb; $table_name = ...
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2answers
58 views

$wpdb->get_var multiple queries in one database check

I am using the $wpdb->get_var php code to get the first name and last name on the records, in the wp_usermeta table... But because the field value is stored in the same cell, I don't know how to merge ...
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2answers
396 views

How To Get Some Data From WordPress Database Using WordPress $wpdb Query?

I am trying to get some data from WordPress database tables in a plugin. For that, I am using the below code... global $wpdb; $findID = $wpdb->get_var("SELECT ID FROM wp_posts WHERE post_name = ...
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1answer
38 views

How to avoid conflicts with db.php / $wpdb and other plugins that decide to use them?

Our plugin (VersionPress) needs to track database changes so that it can version-control them. We currently do this by creating db.php and overriding the $wpdb instance in it but it has an issue that ...
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1answer
42 views

Multi-site site nav, wpdb->prepare missing argument

I'm using a Wordpress Multi-site to house a number of sites in one WP install I'd like to have a nav showing each site with a link to the site. I'm using this function to do this <?php ...
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1answer
54 views

Exclude specific terms from all queries using posts_where or something similar

Basically what I'm trying to do is exclude all posts that belong to a specific set of terms from showing in any and all queries across the board, EXCEPT when you're actually viewing that post or page. ...
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140 views

WP_USE_EXT_MYSQL

Here is the constructor for the wpdb class as found in the source code. According to a google search this has been recently renamed from USE_EXT_MYSQL. However I cannot find anywhere in the source ...
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12 views

wpquery properties last_query and last_result : should these be public or private?

I've come across the following lines of code in wp-includes/wp-db.php: /** * Last query made * * @since 0.71 * @access private * @var array */ var $last_query; /** * Results of the last query ...
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1answer
57 views

Ascending order of yearly archives [closed]

Hey there, I stumbled upon this question but I can't seem to contact the author, because I'm still too new here. I'm using this snippet on my archives.php page to display my posts sorted by years. ...
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1answer
28 views

Using $wpdb in a plugin, what sort of data does it return?

I have following code: <?php $q = intval($_GET['q']); global $wpdb; $myoption = get_option( 'fixformdata_options' ); $myoptionValue = maybe_unserialize( $myoption ); $result2 = ...