Skip to content
Read For Learn
Read For Learn
  • Database
    • Oracle
    • SQL
  • C
  • C++
  • Java
  • Java Script
  • jQuery
  • PHP
Read For Learn
  • Database
    • Oracle
    • SQL
  • C
  • C++
  • Java
  • Java Script
  • jQuery
  • PHP

Database

insert data from a form:: Warning Empty query mysqli::query()

There’s a lot wrong with your code: In your query you’re setting reg_user_id to $user, when it looks like you meant to use $reg_user_id, which is probably a problem because you’re setting $user to $current_user->ID even though $current_user doesn’t exist. $_POST[‘reg_id’] doesn’t exist in your form, and I have no idea what you’re trying to … Read more

Categories Database Tags database, forms, mysql, wpdb

An SQL query to find orphaned image attachments and their meta

An SQL query to find orphaned image attachments and their meta

Categories MySQL Tags mysql, phpmyadmin, sql

Confused over wp-config.php and ‘database user + database password + name’

I applied the SAME database username to both databases Why is the Database password the same? When I reset the password for the database username it made my main domain crash? It sounds like you created a single MySQL user which is allowed to access both maindomain and subdomain databases. When you change the MySQL … Read more

Categories Database Tags database, wp-config

How do I update a WordPress wp_postmeta meta_value that contains many options

What you are trying to do is access a property inside a serialized object. Well, this cannot be down directly. The data you have are serialized that’s why updating with the _sfwd-courses_course_access_list will not work as this is only inside the meta_value of the entry. You have to unserialize update and then save with update_post_meta … Read more

Categories Database Tags database

Migrate not successful, DB is broken. How to fix, or at least output static HTML without plugins?

What have you done exactly upon migration? What install did you try to migrate from? Local, another domain? My little checklist for migration: use MigrateDB plugin to export a database. Use it to replace the old domain with the new one in the database use BackUpWordpress plugin to do a Complete backup of the development … Read more

Categories Database Tags database, migration, permissions

How can i syn wordpress user table with a stand-alone php script?

WordPress use a special password hash then you need to send the password and the hash to the PHP code of WordPress to know if it’s valid. This can be done with creating a new REST endpoint or with including the file “wp-includes/class-phpass.php” of WordPress and use it like this : require_once “class-phpass.php”; $wp_hasher = … Read more

Categories Database Tags database, mysql

How to edit posts/pages without making the change live?

How to edit posts/pages without making the change live?

Categories Database Tags database, draft, migration, revisions

How to get the id of recently registered user from database?

How to get the id of recently registered user from database?

Categories Database Tags database, user-meta, users

WPCLI search and replace in a particlar site dir effect another site-dir

The problem was due to some conflict between variable values (I don’t recall the exact details). The solution AFAIR, was to just use another Bash session, without any predefined variables (I just newly defined any variable I needed this time): $ bash

Categories Database Tags backup, customization, database, mysql, wp-cli

Select data from foreach loop and send it to wordpress database

To insert something to database you should send data with post request, get this data from request and save it. You created code which will insert last row of your loop on post request. You should create form for each of your previous trip and add hidden input fields to have the opportunity to get … Read more

Categories Database Tags database, duplicates, forms
Older posts
Newer posts
← Previous Page1 … Page42 Page43 Page44 … Page245 Next →
+ More

Recommended Hostings

Cloudways: Realize Your Website's Potential With Flexible & Affordable Hosting. 24/7/365 Support, Managed Security, Automated Backups, and 24/7 Real-time Monitoring.

FastComet: Fast SSD Hosting, Free Migration, Hack-Free Security, 24/7 Super Fast Support, 45 Day Money Back Guarantee.

Recent Added Topics

  • Bug in translation system: load_theme_textdomain() returns true, files are available and accessible but the language defaults to english
  • Custom Elementor controls not appearing in the widget Advanced tab using injection hooks
  • Get the name of the template/*html file used
  • Trying to Add Paging to Single Post Page
  • Sharing media files between live and staging servers
  • How to display the description of a custom post type in the dashboard?
  • Critical error on image display
  • Copying WP data and files into new install?
  • How to determine the DirectAdmin WordPress backup date?
  • How to get list of ALL tables in the database?
© 2026 Read For Learn
Next Page »
  • Database
    • Oracle
    • SQL
  • algorithm
  • asp.net
  • assembly
  • binary
  • c#
  • Git
  • hex
  • HTML
  • iOS
  • language angnostic
  • math
  • matlab
  • Tips & Trick
  • Tools
  • windows
  • C
  • C++
  • Java
  • javascript
  • Python
  • R
  • Java Script
  • jQuery
  • PHP
  • WordPress