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

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35 views

Proper Prepare Statement for ALTER TABLE and using AFTER

My code for ALTER TABLE doesn't make use of the prepare() method of $wpdb and so the code needs to be updated properly. There are plenty of examples of query SELECT, etc but couldn't find something ...
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1answer
72 views

Custom Post Type + 20k posts = blank/404 within Admin edit.php [duplicate]

I have registered a custom Post Type via register_post_type(), and about 45 Custom Fields via add_meta_box() function, within the theme. Custom Post Type Args: 'labels' => ...
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1answer
38 views

Multisite posts in categories on network

I'm running a multisite with a main site and 3 subsites (the number of subsites will be over 200 at the end). Now on every site I have a category called A, Category called B, and Category called C. On ...
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1answer
47 views

Custom Query - Based on user input

I'm working on displaying suggestions to an input, assisting the user. I'm using the included jQuery suggest. That's loading - and through ajax I'm using a custom SQL query and can see it's ...
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1answer
37 views

$wpdb to insert html form information

I'm trying to insert posted variables from a form. When I shorten the amount of variables I'm inserting it will sometime pass the information in my mysql database. Once I continue to add on ...
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3answers
201 views

MySQL query in Wordpress with AJAX

I have a search form which searches the DB and returns back some data. I have managed to use Wordpress wpdb to connect and use select statement on the table and retrieve data. Everything works ...
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13 views

Unique user tables between three sites with same database

I have three websites that have their own prefixes, but are in the same database and have each member, and I have create a system that would allow to confine all its members in a mime table, so to ...
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1answer
20 views

External DB Connection [closed]

I'm trying to connect and select some data from an external DB. The DB is in the same server as WP, so it has the same username and password, but different DB name. Here's what I'm using to connect to ...
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1answer
65 views

Converting mysql to $wpdb

I'm trying to convert this to using a $wpdb class. It will return all the enums possible and i have to use this $wpdb due to mysql_query giving me weird error (no database selected) Code is following ...
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57 views

Database: Custom table: sprintf value for DateTime column

I am creating an insert query following the insert example on the wpdb class reference. What sprintf like placeholder should be used for a DateTime column on a custom table? Allowed placeholders seem ...
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78 views

Proper usage of $wpdb->update()?

I am trying to update my custom table in Wordpress using the following php code but still no success: $tablename = "wpfeedback"; $data = array( 'mark' => $mark, 'comment' => ...
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2answers
81 views

Custom query: Get all posts that are from a certain category?

This is what I have: global $wpdb, $month; $months = $wpdb->get_results( "SELECT * FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' AND DATE_FORMAT( ...
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1answer
73 views

How to insert dash (-) into database using wpdb and new_to_publish hook?

I am saving titles of posts in a separate table for a specific use. The titles are saved to the database when a post is published. code is: add_action('future_to_publish', ...
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1answer
24 views

How to prevent $wpdb->prepare stripping a leading zero in variable value?

I have a simple database_read function and per accident I noticed order_id's starting with a leading zero would not give me the expected results. It turns out using $wpdb->prepare strips out ...
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2answers
77 views

$wpdb-prepare : Do I have to bind a parameter to the table name?

I only do a SELECT on a whole table - and the table is defined in a variable: $table = $wpdb->prefix . 'members'; Do I have to bind a parameter to this variable? This caused an error: $result ...
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1answer
47 views

Using “->” in a page to exceute $wpdb query gives error

I am doing some SQL queries in a WordPress page using the Insert PHP plugin, but the -> object operator changes to -> when I write code in the Text editor, or view in the Visual editor. When ...
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1answer
315 views

Inserting Post Meta From SQL

I'm trying to get post meta to be updated/replaced with $wpdb and running into issues. I have working SQL, but cannot get it work when coding it up for my WP plugin. Extra note: The post meta being ...
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1answer
21 views

Depreciated Call -> Function wpdb::escape()

I am getting lots of errors in my debug log: Depreciated Call -> Function wpdb::escape() - Use wpdb::prepare() or esc_sql() instead Instead of just turning off the debug log, I am trying to ...
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3answers
129 views

How to Download and install plugin database remotely

I have the following problem. I got a plugin that is huge due to all the data needed. The data is all the countries and cities in the world and also a maxmind.mmdb database. 1 - Issue Currently I ...
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1answer
104 views

Why is an empty result an error? ( $wpdb->get_row )

I have a query where I get the highest id from a table. $user_id = $wpdb->get_row("SELECT * FROM $table WHERE id=(SELECT MAX(id) FROM $table)") The table should always have rows, but if for ...
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20 views

Private Messages between users

I'm RoR programmer but for sometime I play with WordPress. My problem in RoR wouldn't even exist and here I don't know what to do... I create table wp_wr_messages with all needed fields. I ...
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2answers
94 views

get_row returns empty when data exists

I am trying to run the following query to access my WP cf7dbplugin_submits table but it keeps coming up empty. I have added my table into wp-db.php model as such: Added the contact form table- ...
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1answer
83 views

Accessing external database: ERR_INCOMPLETE_CHUNKED_ENCODING

I installed the "Insert PHP" plugin in my Wordpress page, activated it, and put this code in my page: <p> Connection test </p> [insert_php] $mydb = new ...
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48 views

Display result from custom post meta query

This is driving me crazy! I'm trying to simply echo the contents of a meta field (twitter) from the wp_postmeta table of a custom post type with the following query outside of the loop : global ...
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1answer
158 views

$wpdb->insert inserting two rows in database

Hi i am trying to insert data in database but $wpdb->insert insert two rows. my code for insert data is global $wpdb; $tablename = $wpdb->prefix . '<TABLE NAME>'; for ($i = 0; $i < ...
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2answers
64 views

How to get top 10 user is based on user meta value

I'm trying to get top 10 users in my wordpress blog based on user meta value. I've tried few methods & finally able to get just top one user using below wpdb query. But clueless, how we can get ...
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85 views

SELECT query with prepare and placeholder for string

I am trying to learn how to do a simple Select query using $wpdb-prepare. I am checking wether an email submitted by the user is already available in the database. There has to be something wrong ...
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1answer
44 views

Geographical proximity query using post_meta

I realise this might be an inefficient query, but I'm trying to grab latitude and longitude values from the post_meta table that are connected to posts to figure out the proximity of the posts to a ...
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44 views

How to access PostgreSQL using WPDB?

I got a separate database using PostgreSQL and I want to access it via the WPDB class. I tried $pgdb = new wpdb('[username]','[password]','[database]','localhost'); var_dump( ...
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91 views

Querying custom tables using WP_Query

I am looking to extend the WP database by adding a custom table. I know how to do it using the $wpdb object; however, I have seen on some sites that it is better to use the WP_Query class, but I can't ...
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37 views

wpdb->update update the entire table instead of one row

I'm trying to use the update function of wpdb, like this: $wpdb->update( 'protocol_data_list', array( 'used' => 1 ), array( 'cod_protocollo' => $_POST['numero_protocollo'] ), ...
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1answer
76 views

Custom Post save causes 500 error

Been having issues with getting a 500 error. Sometimes a change is saved, usually not. I've output the $key/$values to verify it's reaching the function and foreach. The output is the first ...
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1answer
55 views

How can I combine one field using wpdb and group by?

I have the following code in my functions.php where I'm trying to group the quantity sold from woocommerce orders into the variation selected on the product. My query is: $uvuorderposts = ...
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1answer
26 views

Frontside menu based on custom roles logged in permission

I have two phases to my site, the first is menu, i want my site to hide (normal) menu items if the user isn't logged in e.g when someone visit my site, the menu should be Home About us Products ...
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68 views

Inserting PHP code snippet via shortcode

I'm trying to insert a PHP snippet on a WordPress page using XYZ Insert PHP Code Snippet plugin. This is the code that I'm using but it's not working and I can't figure out what's wrong. I've tried ...
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22 views

get_results no result back

I can't get a result back from this query...any suggestion? function per_match(){ global $wpdb; $myrows = $wpdb->get_results( "SELECT id FROM partite;"); foreach ($myrows as $myrow) { ...
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2answers
109 views

Proper way to work with wpdb to get user's firstname

I want to use $wpdb to get user's firstname. I know how to do it with php and mysql query, but I want to use $wpdb. The problem is that I don't know how to use it. I tried to create simple query to ...
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32 views

$wpdb global causing issues with plugin class

I am currently building a plugin. I have a main init.php file which loads all the necessary plugin classes. Within one of the classes, I have several methods that call the $wpdb global. One of the ...
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1answer
41 views

Wpdb empty result only if language is Russian

I'm having a little problem with wpdb query. I need to change content of an HTML select by changing another one ( simple and clean ), so, this is my query: $_queryString="SELECT ...
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2answers
527 views

wpdb->insert not working

EDIT: Rewrote the page from scratch and have been unable to figure out the differences. The new page works as expected. Checked multiple questions here and also on Wordpress.org with no luck yet. ...
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1answer
42 views

writing inner join in wpdb

I have a problem in writing SQL Inner Join syntax in wordpress, This logic should definitely work, I tried this in phpmyadmin and it works fine SELECT booking_calendars.cal_name FROM ...
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143 views

$wpdb->query(update) not working as supposed when passing GET request in the where clause

I have made a table 'wp_mostfavourite' in wordpress database, it has got three fields, 'serialno', 'postid', 'counts'. The 'counts' is supposed to be increased by 1, whenever the following query is ...
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1answer
73 views

How to get product order by two custom taxonomy in wordpress

Yesterday i stuck in the middle of code that how could i retrieve product belong to specific custom taxonomy ordered by other taxonomy. Table wp_posts: id | post_title ---------------------- ...
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2answers
109 views

Get number of comments after modifying comment query

I have modified the comment query arguments in comment-template.php from $author_id = get_query_var( 'author_id', 1 ); $comment_args = array( 'order' => 'ASC', ...
0
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1answer
68 views

Generate a unique hash/number for tracking on $wpdb insert

I want to generate a unique hash/number that I can use for status tracking for an contest. I'm going to use this hash/number in a url created with add_query_args. The url creation will look something ...
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1answer
43 views

WPDP related functions look to work but they don't

I have a custom database table called wp_wcpl_user_packages which has the following columns: id | user_id | product_id | ..irrelevant columns... | package_limit | package_timestamp | ...
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1answer
60 views

Store plugin page content in wp_options?

I want to write a plugin for wordpress that in some cases will show some content as if it were a post or page as an end result of a form processing. My idea is to add a hook that checks for and ...
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137 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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52 views

Using $wpdb_update and foreach loop

I have this function to update data in my table list but it's not working. My insert and delete are working well, but I don't know what's wrong with this: function update_data() { global $wpdb; ...
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1answer
60 views

New User ID not working in custom function with user_register hook

I'm adding data to a table whenever a new user registers on the site. add_action( 'user_register', 'auto_follow_admin', 10, 1 ); function auto_follow_admin() { global $wpdb; ...