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

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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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1answer
33 views

Active DB queries in Wordpress?

I just make some researches regarding to wordpress DB queries and I just wonder if I miss something a normal SELECT query for example in Codeigniter with active records would look like if I assume I ...
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2answers
3k views

Alternative to mysql_real_escape_string

I have a WordPress plugin that at one point I need to see if a certain title exists in the database. For 2 years, this code worked fine: $myposttitle= $wpdb->get_results( "select post_title ...
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2answers
125 views

Extracting the post_id via the wp_insert_post action (external db query)

i'm writing a little action plugin. everytime a new post is created, a new table should be created in an external db. The name of the table sholud reflect the post_id of the newly created post, but i ...
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1answer
186 views

Custom SQL Query passing array to WHERE p.id

I need to pass an array of post ID's to a custom SQL query I am running on a certain page. The query looks like this: $querystr3 = "SELECT *, events_startdate.meta_value AS the_start, ...
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1answer
106 views

$wpdb prepare issue with mysql DATE_FORMAT

Today, I have a issue in $wpdb. I used $result = $wpdb->get_var( $wpdb->prepare( "SELECT DATE_FORMAT(report_date, '%d-%m-%Y') FROM table WHERE report_id = %d", $report_id ) ); ...
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1answer
513 views

Use wpdb->prepare for `order by` column name

In my current plugin, I am picking up the order by column as user input. So I thought of using wpdb->prepare to escape it. $wpdb->get_results($wpdb->prepare("Select id from $wpdb->posts ...
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1answer
73 views

how to get db values without using an loop with wpdb->get_results()

So I want to return the data from 1 row from my custom DB table, but I dont want to use a loop as I only need the values once....so is there a way to do this? $results = ...
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1answer
480 views

insert image alongwith with custom data via a frontend form

I use wordpress as a cms. I wanted to insert custom data via a form from the frontend in my wordpress site and then echo it on a page somewhere. After learning from here and there I am able to put ...
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1answer
65 views

Create new database through static page code

I want to create a new table in current database of word press through create a static page. I write code for this as below, but there was no result. Why is that, and how can I get this right? ...
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1answer
78 views

How to stop $wpdb from prepending database name

When I run an UPDATE query using $wpdb, WP prepends the database name associated with the WP installation to whatever is passed in the table name argument. This isn't desirable as my app passes the ...
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1answer
143 views

$wpdb - joining shows no result

For one of my client's WP site, I'm making a plugin, where I'm using the db Query. I've two custom tables dedicated to the plugin: user_req — stores user chosen posts along with some custom ...
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3answers
1k views

How to Modify this $wpdb query to accept an array of post statuses

I'm using this function from this accepted answer, which gets all values for a custom field key (cross-post). How could it be modified to allow an array of post statuses? function get_meta_values( ...
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2answers
4k views

Using $wpdb to query posts with meta value containing current post_id

I am trying to to use $wpdb to retrieve a list of posts from the Database where the meta_value in the wp_postmeta table contains the current post_ID in inverted commas. eg. "10" The inverted commas ...
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2answers
49 views

Mixing variables into an array when inserting values

I have a function that inserts a load of values into a database. Not a problem but I have a condition that changes the mysql statement. The problem is is the way wordpress constructs the statement, ...
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1answer
513 views

$wpdb->get_col and ORDER BY?

this is the query that returns the listing of a custom post type $apartments = $wpdb->get_col( " SELECT DISTINCT( post_id ) FROM $wpdb->postmeta ...
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1answer
161 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
216 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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2answers
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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1answer
2k 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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1answer
370 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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1answer
81 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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1answer
66 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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1answer
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
458 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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1answer
813 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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2answers
124 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
307 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
559 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
823 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
496 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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1answer
483 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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1answer
1k 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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1answer
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
856 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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1answer
220 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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1answer
906 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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1answer
449 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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1answer
40 views

Updating with $qpdb->query() always returns 0 rows affected

I'm experiencing an odd situation while running an UPDATE with $wpdb->query(). Given the users table, with columns user_id (Primary Key) and status, and the user 3 existing and with status 0, I ...
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1answer
26 views

duplicate entries in database while using save_post or wp_insert_post

Here is what I am trying to do - I have created a custom table in the database and I am trying to enter data into it everytime a post is created. The database-entry needs to happen ONCE AND ONLY WHEN ...
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1answer
25 views

Why my query does not run with prepare

Hi Below is my query and it works with prepare keyword on the localhost but whenever I use prepare keyword with my queries on live server the data does not show up and as soon I remove prepare from ...
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1answer
24 views

WPDB SQL Ignore `post_status` Parameter

I use this SQL statement: SELECT * FROM wp_posts LEFT JOIN wp_term_relationships ON ( wp_posts.ID = wp_term_relationships.object_id ) LEFT JOIN wp_term_taxonomy ON ( ...
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1answer
24 views

Issue regarding $wpdb->prepare()

$wpdb->prepare() is adding single quote ('') like below. I am using below code $sql = $wpdb->prepare("SELECT * FROM %s ",$table_name); echo $sql; I am getting output like below SELECT * FROM ...
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1answer
84 views

How to get DB options format without saving? [closed]

Using Unyson framework. I am getting theme options form data saved to a file. Was able to do that via ajax and JSON.stringify(form values in json format) problem I have is that the form data ...
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1answer
24 views

How to Generate a list of Most Commented post?

I'm trying to call a list of most commented post. But the call to the DB returns always the same post (the first one in the loop) This is my code in functions.php function ...
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1answer
53 views

Run posts_where and posts_join only on the main query

Using the pre_get_posts hook, I'm able to take $query as an argument. But on posts_where and posts_join hook, I receive the respective clauses and not the query. The problem is that the hook is ...
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1answer
38 views

WPDB Table Does Not Exist

From this code: global $wpdb; $sidebar_table = $wpdb->prefix . 'w3care_sidebar_position'; $checkad = $wpdb->get_results( $wpdb->prepare( "SELECT ad_id, sidebar_position, ad_type FROM `%s` ...
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1answer
118 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 ...