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

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Protect custom form from SQL injection

I'm trying to understand how to protect my custom form from possible attacks. I send a data via a form, let's say userdata, then I read it: $userdata = $_POST['userdata'] I put it into an array to ...
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361 views

Wordpress choose wrong database

I have 2 databases. When I include the database connection (with a include('filename.php');) wordpress acts really strange. I can't login, the wordpress username and password is right but it tries to ...
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5 views

Wordpress - wpdb query does not list same result as sql query

I have a very weird issue with wpdb which is freaking me out. My database has the following data: INSERT INTO `wp_clb_likes` (`id`, `post_id`, `user_ip`, `time`) VALUES (5,11511,'::1','2015-01-25 ...
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2answers
27 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
470 views

Action hook “wp_insert_post” works but not for last imported post

I want to run a custom function whenever posts are imported to my custom post type. I am currently running this code - function on_post_import($post){ global $wpdb; $results = ...
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3answers
340 views

How do I check for a duplicate record before inserting using wpdb

I am inserting a row into a custom table in a wordpress database. this is the code: $wpdb->insert( 'wp_pl_my_parts', array( 'user_ID' => $user_ID, ...
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11 views

why nl2br() is adding an extra <br>?

I store the text with wpdb->insert. While retrieving it with wpdb->get_results I echo it with nl2br() function to preserve the new lines (or it will be echoed without line breks). Problem is ...
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18 views

Retrieve a list of users based on some conditions

What am I doing wrong on this query? The main issue is the var_dump returns null. The query works fine in phpMyAdmin. global $wpdb; $users = $wpdb->get_results( $wpdb->prepare( ...
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397 views

wpdb->insert and stripslashes against sql injection

I've been reading the codex at this page: http://codex.wordpress.org/Function_Reference/stripslashes_deep The code i wrote before reading that page is this: $data = array( 'col1' => ...
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13 views

Write mysql credentials in plugin

I've to create a custom plugin to print data from a database different from the wordpress one. I'm using wpdb. Is it fine, from a security point, to write database credantials in the plugin files in ...
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1answer
21 views

Doubt using $wpbd->get_col for a single column

$table = $wpdb->prefix . 'posts'; foreach ( $wpdb->get_col( "DESC " . $table, 0 ) as $column ){//get all columns from wp_posts echo "<div><p>". ...
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3k views

AJAX with Selectbox Plugins (Select2, Chosen, Selectize)

I have been searching all over the internet for tutorials on implementing AJAX actions from jQuery selectbox plugins such as Select2 , Selectize and Chosen. (these plugins look better than the inbuilt ...
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29 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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29 views

pre_get_posts or $where, which one to use?

i have a custom search widget, that is searching only one custom post type that contain a meta_key that is greater than or equal to 1, in which i am gathering post_id. of all of those post_id(s), i ...
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278 views

wpdb inside foreach loop only returns first result - 2 other similar cases found

@Milo Problem solved, found spaces in the array $arrname. I was trying to get post id using post_name. First of all I stored all post_name in an array an then loop through the array to use the key ...
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47 views

Problem on wpdb queries, wp_insert_post, wp_insert_user etc. The query runs twice

Anyone encountered this issue? I have created a custom php script which adds a new post by using wp_insert_post() but everytime I run the code it creates a 2 new post where in it should be only be ...
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1answer
17 views

using same mysql user with many databases

As we know that in order to connect WP with database we should to define mysql username and password in wp-config.php, so at that point i have a question regarding security or ( some sort of ...
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18 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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19 views

How to query for the first 5 elements published?

<div class="content left"> <div class="wrapper"> <div class="gallery-single-content left"> <div class="gallery-filter left" style="display: none;"> ...
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28 views

What is the best practice to initialise $wpdb by loading wp-load.php?

Why do users with high reputations suggest loading wp-load.php with a full path? My question is simple and was originally intended as an answer to this question. However I do not have a high enough ...
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1answer
29 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
328 views

Change post status based on meta value

I have this cron set up to trash posts x days after it is posted. This works. Edit: Added my answer to my question. add_action( 'wp', 'do_trash_ads' ); function do_trash_ads() { if ( ! ...
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2answers
517 views

Call to a member function get_results() on a non-object in wordpress plugin

I am using revolution slider plugin. I got above error while executing one of my front end form. This is my code in that file.. <?php class UniteDBRev{ private $wpdb; private $lastRowID; ...
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1answer
25 views

Wpdb query for comment meta for current post

I have a comment meta field that displays a rating for each comment, I was wondering if there is any way I can query the database to get the sum total of these ratings for each post. I have included ...
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3answers
751 views

How might I retrieve a featured post image from an external WP site and display it as a link back?

I have two WP sites. I want to reach from one of them, into the other, and retrieve specific featured images for posts, and display them with a link to that post. I am using this line (with the ...
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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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37 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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35 views

WPDB update row with != in where clause

I'm using wpdb to develop a plugin to add a custom form to wordpress. To update a row, I use an array and wpdb->update(). WP Class Reference says: My SQL code should be something like UPDATE ...
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381 views

How to fetch records from database WordPress

index.php: <?php $new=$wpdb->query("select * from wp_posts where post_title='Auto Draft'"); $new1=mysql_fetch_row($new); echo $new1[0]; ?> How to fetch record from database? How ...
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82 views

Add meta value to custom post type on publish

I have a client who is requesting that all posts of a certain custom post type (called 'custom-jobs') be set to automatically be included in the sitemap in the Yoast SEO plugin. I found that in ...
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12 views

Problem by dispaly inserted form

I've build a form and insert it's data into custom db by $wpdb. When I click on the submit button, page reloads and one row added to db but noting displays on website. You can see it at: my site ...
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20 views

why not changing site body after insert row by $wpdb?

I've create custom table and insert, update and delete it's values by $wpdb My problem: when i click on submit or send button, despite changing value in database (add a row, update value and ...), ...
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35 views

How to use ajax in wordpress plugin to get data from coustom DB?

i have created php script that work great as stand alone. now i need to create this script as wordpress plugin. so i have created custom table in wordpress DB. then i tried to make the ajax call. in ...
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33 views

How to get entry by title by using wpdb

I've create a form by metabox and save data in custom table my table is: $table_name = $wpdb->prefix . 'aacv'; $sql = "CREATE TABLE $table_name ( id int(11) NOT NULL AUTO_INCREMENT, ...
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1answer
53 views

convert custom query to wp_query

My query is as below $querydetails = " SELECT wposts.* FROM $wpdb->posts wposts INNER JOIN $wpdb->postmeta wpostmeta ON wposts.ID = wpostmeta.post_id INNER JOIN ...
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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 ...
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WP DB Location for “Next Post to Create” Index Value

I have a malformed DB (no mystery here, I deleted some data directly rather than through the WP admin interface). I've deleted all posts and meta for 400+ but when I create a new post, the sequencing ...
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1answer
24 views

Alter a specific query on Wordpress

I need to change a query of a plugin that is not the main query. The author did not put any filters. I can see the query from $wpdb->queries Is there a way to access the specific query and ...
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32 views

Fetching array of postmeta with $wpdb and in_array conditional

I'm trying to fetch an array of all entries to a specific meta key and then check to see if the user input value exists in that array. I've checked the data base for the query and I see the meta ...
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13 views

Custom table in my plugin print UTF-8 (מוברש) charsets and not hebrew

i have created custom table in wordpress db to use my plugins needs. i have campaigns with hebrew names, this saved to column (varchar(100) utf8_unicode_ci ) in the DB i dont see hebrew but this: ...
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2answers
33 views

wpdb custom post_type problem

I want to use custom post type in my custom SQL query, but, when I add the custom post type im my query, I get no results. Where's my probelm ? This is the code I've tried $top5_ov_performance = ...
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1answer
38 views

Order by in foreach

hello im getting post_id by using wpdb after that i wanna show postmeta(sd_l2) order by their value i uses this codes global $wpdb $top5_ov_performance = $wpdb->get_results("SELECT post_id FROM ...
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1answer
624 views

Is it true $wpdb->get_results is faster than WP_Query in most cases?

On my homepage, I have a section where I have to display the last five featured posts, where a featured post is simply a post with a custom field is_featured set to 1. I achieved what I want with two ...
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19 views

Unable to create custom table , register_activation_hook from class

Cannot create the table , what am i missing class em_db { public function em_events_custom_table() { global $wpdb; $table_name = $wpdb->prefix . "em_events_db"; ...
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26 views

run search / query from multiple databases

First of I would like to warn everyone, that my skills set in mysql and php is novice. My current wordpress website is based on a network setup (mutli-site), with the help of shardb, I was able to ...
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46 views

Storing PHP structure data in the wp_options table?

I searched too much about that but can't find resonable answer of that question I am creating a WordPress plugin that has so many options that I need to store so to store data using option API which ...
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2answers
40 views

Custom Wordpress Table wpdb

running into issues querying a custom table and getting results. As of Wordpress 3.9, I can no longer run mysql_query(), and have to use $wpdb->query(); So keeping that in mind: Old Code: <?php ...
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3answers
34 views

selecting row using wpdb which contain special symbols

I got a table with one of the column have special charaters. I inserted to the table as $sql=$wpdb->prepare( "INSERT INTO `mytable` ( `question`, `remarks`) VALUES ...
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1answer
1k 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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4answers
211 views

Displaying post excerpt using wpdb query

I'm using a modified version of the code from a question (Get WordPress Posts Grouped by Month) to group my posts by year. Everything is working fine, but I'm having trouble getting the post excerpt ...