Can anyone tell some online tuts for plugin development for beginner? [closed]

A good place to start is creating a plugin to replace adding code to your functions.php file and making it “must use”. That way your code additions are independent of your theme. It’s basic and useful and won’t be accidentally removed, or disabled. http://wpninjas.com/how-to-create-a-simple-wordpress-plugin/ https://premium.wpmudev.org/blog/why-you-shouldnt-use-functions-php/ Hope that helps! PS I’m new, so please excuse me … Read more

WordPress Multisite

Yes, Multisite is your best choice, you can share plugins, themes and users between websites if you want, also you can have some plugins, themes and users retricted to some sites only. Also you can have top domains for every site into the multisite.

Uploaded Media Images on Site

If you mean deleting from your Media Library, then yes, once they’re deleted from your Media Library, they won’t show up in your posts or pages any more—unless cached in some way by search engines and so forth.

Include plugin´s table in custom query

This was the solution: <?php /** * @package WordPress * @subpackage U-Design */ if (!defined(‘ABSPATH’)) exit; // Exit if accessed directly get_header(); include(‘scripts/search_excerpt/ylsy_search_excerpt.php’); $search = $_GET[‘s’]; $all_users = new WP_User_Query( array( ‘role’ => ‘dc_vendor’, ‘meta_query’ => array( ‘relation’ => ‘OR’, array( ‘key’ => ‘_vendor_country’, ‘value’ => $search, ‘compare’ => ‘=’ ), ) ) ); //echo … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)